图书库存管理的设计与实现.docx
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图书库存管理的设计与实现
学号:
0121110340134
根底强化训练
题目
学院
计算机科学与技术
专业
班级
计科1101班
姓名
李梦瑶
指导教师
闵联营
2021
年
9
月
2
日
一.任务书..............................1
二.课程设计.............................2
2.1系统描述...........................2
2.1.1问题分析........................2
2.1.2数据需求........................2
2.1.3功能需求........................2
2.2系统..............................2
2.2.1内存数据构造设计...................2
2.2.2数据文件设计......................3
2.3系统测试...........................3
2.3.1输入\输出设计.....................3
2.3.2用户界面设计......................3
三.源程序..............................5
四.评分表..............................17
计算机根底强化训练任务书
学生XX:
李梦瑶专业班级:
指导教师:
闵联营工作单位:
计算机科学与技术学院
题目:
初始条件:
理论:
学完计算机根底知识,掌握C++语言编程根底和VC开发平台的使用。
实践:
计算机科学系实验中心提供计算机及软件开发环境。
要求完成的主要任务:
〔1〕系统需求分析,得到系统的数据需求和功能需求,分析结果用表格记录。
〔2〕系统设计,包括内存数据构造设计、数据文件设计、代码设计、输入/输出设计、用户界面设计、处理过程设计。
要求内存数据用链表组织,数据文件用文本文件,用户界面用字符界面。
至少实现数据记录的增加、修改、删除、查询〔查询应能按不同数据项进展〕。
〔2〕编制好程序后,设计假设干测试用例,上机测试所设计的程序。
〔4〕设计报告按格式要求书写。
设计报告正文的内容应包括:
1〕系统描述包括问题说明、数据需求和功能需求。
2〕系统设计包括内存数据构造设计、数据文件设计、代码设计、输入/输出设计、用户界面设计、处理过程设计。
3〕系统测试包括测试用例的描述、测试方法和测试结果。
4〕设计的特点、缺乏、收获和体会。
时间安排:
1、第19周〔7月5日至7月9日〕完成。
2、7月9日8:
00到计算机学院实验中心〔三楼〕检查程序、交课程设计报告、源程序〔CD盘〕。
指导教师签名:
2021年9月31日
系主任〔或责任教师〕签名:
二.课程设计
2.1系统描述
2.1.1问题分析
完成程序,实现图书库存的管理。
至少实现数据记录的增加、修改、删除、查询及相应结果的显示,查询应能按不同数据项进展
2.1.2数据需求
图书本身的信息有图书的ISBN,图书的名称,图书的作者,图书的,图书的价格。
图书的库存管理信息应包含图书的上次入库时间,图书的上次出库时间,现库存图书的数目。
故所需的数据项如下:
图书的ISBNstringISBN;
图书的名称:
stringname;
图书的stringauthor;
图书上次入库时间:
stringin_date;
图书上次出库时间:
stringout_date;
图书现在库存数量:
intnum.
2.1.3功能需求
功能
程序中的实现
1、查询库存图书的信
查询某书在构造体中的位置并输出该节点的信息
2、图书入库
在构造体链表中添加相应的节点
3、图书出库
在构造体链表中删除相应的节点
4、修改某图书的库存信息
在构造体链表中修改相应的节点的信息
2.2系统设计
2.2.1内存数据构造设计
内存中,图书的相关信息用构造体链表定义,每一个节点包含某本书的全部信息
structbook{
stringISBN;
stringauthor;
intnum;
book*next;
};
由于在系统退出时,相关的图书信息都用表格的形式存储在文本文档中,其中第一行存储的不是图书信息,二十对以下图书信息对应项的说明。
因此,在内存中定义了一个表示文本文档中第一行的构造体,如下:
structheadline{
stringfirstline;
用来保存文本中第一行的内容。
在内存中,数据的构造如以下图所示:
firstline
ISBN
……
name
author
num
in_date
Out_date
∧
2.2.2数据文件设计
图书的相关信息在退出系统是都保存在文本文档中。
文本文档命名为〞bookinformation〞文本文档用列表的形式表示保存的图书信息,如以下所示:
〔局部图书信息,〕
ISBN书名作者数量上次入库时间上次出库时间
7-115-13416-2C++PrimerPlusX建春52021-07-012021-07-05
7-121-01665-6算法引论黄林鹏62005-09-102005-09-15
7-302-08599-4C++程序设计谭浩强62004-06-012004-06-06
7-900643-22-2数据构造严蔚敏102006-05-012006-05-06
7-5427-2975-6Flash8培训教程柏松152006-05-012006-05-06
2.3系统测试
2.3.1输入\输出设计
把文本文档里面的初始信息当成是原始的输入,程序运行时把该信息放到构造里链表中去。
当执行查询,修改,添加,删除功能是,那么用户通过键盘输入,通过用户手动选择,实现其相应的功能。
输出那么是把每次操作执行后的链表信息保存大文本文档中,从而实现输出。
2.3.2用户界面设计
1.主菜单界面
2.查询图书界面
3.图书入库界面
4.图书出库界面
5.修改图书记录界面
6.退出系统界面
三.源程序
#include
usingnamespacestd;
voidSearch();//函数申明
voidAdd();
voidDelete();
voidModify();
voidMenu();
headline*Creatlink()//以图书馆的现存数据创立构造体链表的代码
{
headline*head=newheadline;
stringline,temp;
ifstreamfin("bookinformation.txt");
getline(fin,line);
head->firstline=line;
head->next=NULL;
}
inti,j=0,k=0,n;
inta[5];
book*q,*p;
while(getline(fin,line))
q=newbook;
j=0,k=0;
for(i=k;i{if(line[i]=='\t'){a[j]=i;j++;k=i+1;}i++;}for(n=0;n{temp=temp+line[n];}q->ISBN=temp;temp="";for(n=a[0]+1;n{temp=temp+line[n];}q->name=temp;temp="";for(n=a[1]+1;n{temp=temp+line[n];}q->author=temp;temp="";q->num=0;//找出该行图书信息的图书的数目for(n=a[2]+1;n{q->num=q->num*10+(int(line[n])-48);}for(n=a[3]+1;n{temp=temp+line[n];}q->in_date=temp;temp="";for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
if(line[i]=='\t')
a[j]=i;
j++;
k=i+1;
i++;
for(n=0;n{temp=temp+line[n];}q->ISBN=temp;temp="";for(n=a[0]+1;n{temp=temp+line[n];}q->name=temp;temp="";for(n=a[1]+1;n{temp=temp+line[n];}q->author=temp;temp="";q->num=0;//找出该行图书信息的图书的数目for(n=a[2]+1;n{q->num=q->num*10+(int(line[n])-48);}for(n=a[3]+1;n{temp=temp+line[n];}q->in_date=temp;temp="";for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
temp=temp+line[n];
q->ISBN=temp;
temp="";
for(n=a[0]+1;n{temp=temp+line[n];}q->name=temp;temp="";for(n=a[1]+1;n{temp=temp+line[n];}q->author=temp;temp="";q->num=0;//找出该行图书信息的图书的数目for(n=a[2]+1;n{q->num=q->num*10+(int(line[n])-48);}for(n=a[3]+1;n{temp=temp+line[n];}q->in_date=temp;temp="";for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
q->name=temp;
for(n=a[1]+1;n{temp=temp+line[n];}q->author=temp;temp="";q->num=0;//找出该行图书信息的图书的数目for(n=a[2]+1;n{q->num=q->num*10+(int(line[n])-48);}for(n=a[3]+1;n{temp=temp+line[n];}q->in_date=temp;temp="";for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
q->author=temp;
q->num=0;//找出该行图书信息的图书的数目
for(n=a[2]+1;n{q->num=q->num*10+(int(line[n])-48);}for(n=a[3]+1;n{temp=temp+line[n];}q->in_date=temp;temp="";for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
q->num=q->num*10+(int(line[n])-48);
for(n=a[3]+1;n{temp=temp+line[n];}q->in_date=temp;temp="";for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
q->in_date=temp;
for(n=a[4]+1;n{temp=temp+line[n];}q->out_date=temp;temp="";if(head->next==NULL){head->next=q;p=q;}else{p->next=q;p=q;p->next=NULL;}}fin.close();returnhead;}voidmain(){Menu();cout<<"谢谢使用!!"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
q->out_date=temp;
if(head->next==NULL)
head->next=q;
p=q;
else
p->next=q;
p->next=NULL;
fin.close();
returnhead;
voidmain()
Menu();
cout<<"谢谢使用!
!
"<}voidMenu()//主菜单的代码{cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
voidMenu()//主菜单的代码
cout<<"图书库存管理系统"<cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"查询图书请输入1"<cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"图书入库请输入2"<cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"图书出库请输入3"<cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"修改图书记录请输入4"<cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"退出系统请输入5"<cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<charchoice;cout<<"请输入需要执行的操作(1-5):";cin>>choice;while(int(choice)<49||int(choice)>53){cout<<"输入错误,请选择正确的操作(1-5)";cin>>choice;cout<<"\n\n\n\n";}switch(choice){case'1':cout<<"\n\n";Search();break;case'2':cout<<"\n\n";Add();break;case'3':cout<<"\n\n";Delete();break;case'4':cout<<"\n\n";Modify();break;case'5':exit(0);break;}}voidSearch()//查找功能的代码{cout<<"图书查询系统:"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
charchoice;
cout<<"请输入需要执行的操作(1-5):
";
cin>>choice;
while(int(choice)<49||int(choice)>53)
cout<<"输入错误,请选择正确的操作(1-5)";
cout<<"\n\n\n\n";
switch(choice)
case'1':
cout<<"\n\n";Search();break;
case'2':
cout<<"\n\n";Add();break;
case'3':
cout<<"\n\n";Delete();break;
case'4':
cout<<"\n\n";Modify();break;
case'5':
exit(0);break;
voidSearch()//查找功能的代码
cout<<"图书查询系统:
"<cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"*按ISBN序列号查询请输入1*"<cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"*按书名查询请输入2*"<cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"*按作者查询请输入3*"<cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"*返回上级菜单请输入4*"<cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<cout<<"请选择查询方法:";charchoice;cin>>choice;while(int(choice)<49||int(choice)>52){cout<<"请从新输入:";cin>>choice;}switch(choice){case'1':{cout<<"请输入要查询图书的ISBN:";stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->ISBN==ISBN){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"请选择查询方法:
while(int(choice)<49||int(choice)>52)
cout<<"请从新输入:
cout<<"请输入要查询图书的ISBN:
cin>>ISBN;
headline*head=Creatlink();
book*p=head->next;
inttag=0;//表征是否查找成功,默认为查找不成功
while(p)
if(p->ISBN==ISBN)
tag=1;//表示查找成功
cout<<"查找的图书信息如下:
"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'2':{cout<<"请输入要查询图书的书名:";stringname;cin>>name;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->name==name){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
break;
p=p->next;
if(tag==0)
cout<<"未找到所要查找的图书信息!
!
\n\n";
cout<<"请输入要查询图书的书名:
cin>>name;
if(p->name==name)
"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'3':{cout<<"请输入要查询图书的作者:";stringauthor;cin>>author;headline*head=Creatlink();book*p=head->next;inttag=0;//表征是否查找成功,默认为查找不成功while(p){if(p->author==author){tag=1;//表示查找成功cout<<"查找的图书信息如下:"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"请输入要查询图书的作者:
cin>>author;
if(p->author==author)
"<cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<firstline<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<break;}elsep=p->next;}if(tag==0){cout<<"未找到所要查找的图书信息!!\n\n";}break;}case'4':{Menu();}}cout<<"是否显示所有图书的信息?(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"是否显示所有图书的信息?
(y/n)"<chardecision;cin>>decision;if(decision=='y'||decision=='Y'){headline*head=Creatlink();cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
chardecision;
cin>>decision;
if(decision=='y'||decision=='Y')
cout<firstline<book*p=head->next;while(p){cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续查询图书的信息?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"是否继续查询图书的信息?
(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Search();}elseMenu();}voidAdd()//图书入库功能的代码{cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
Search();
voidAdd()//图书入库功能的代码
cout<<"*图书入库*"<cout<<"请输入入库图书的相关信息:"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"请输入入库图书的相关信息:
"<stringISBN,name,author,in_date,out_date="";intnum;book*addbook=newbook;cout<<"ISBN:";cin>>ISBN;cin.get();cout<<"书名:";getline(cin,name);cout<<"作者:";cin>>author;cout<<"数量:";cin>>num;cout<<"入库时间:";cin>>in_date;addbook->ISBN=ISBN;addbook->name=name;addbook->author=author;addbook->num=num;addbook->in_date=in_date;addbook->next=NULL;headline*head=Creatlink();book*p=head->next;inttag=0;while(p->next!=NULL){if(p->ISBN==ISBN){tag=1;p->num=p->num+num;deleteaddbook;break;}elsep=p->next;}if(tag==0){if(p->ISBN==ISBN){p->num=p->num+num;deleteaddbook;}elsep->next=addbook;}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
stringISBN,name,author,in_date,out_date="";
book*addbook=newbook;
cout<<"ISBN:
cin.get();
cout<<"书名:
getline(cin,name);
cout<<"作者:
cout<<"数量:
cin>>num;
cout<<"入库时间:
cin>>in_date;
addbook->ISBN=ISBN;
addbook->name=name;
addbook->author=author;
addbook->num=num;
addbook->in_date=in_date;
addbook->next=NULL;
inttag=0;
while(p->next!
=NULL)
tag=1;
p->num=p->num+num;
deleteaddbook;
p->next=addbook;
cout<<"是否将改动写入文件?
(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
ofstreamfout("bookinformation.txt");
fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
p=head->next;
fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书入库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"是否继续图书入库?
(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Add();}elseMenu();}voidDelete()//图书出库功能的代码{cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
Add();
voidDelete()//图书出库功能的代码
cout<<"*图书出库*"<cout<<"请输入出库图书的ISBN:"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"请输入出库图书的ISBN:
"<stringISBN;cin>>ISBN;headline*head=Creatlink();book*p=head->next;inttag=0;if(p->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"该图书的信息如下:
"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<head->next=p->next;deletep;}else{book*q=p->next;while(q){if(q->ISBN==ISBN){tag=1;cout<<"该图书的信息如下:"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
head->next=p->next;
deletep;
book*q=p->next;
while(q)
if(q->ISBN==ISBN)
"<cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"ISBN\t书名\t作者\t数量\t入库时间"<cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<p->next=q->next;deleteq;break;}else{p=q;q=q->next;}}}if(tag==0){cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
p->next=q->next;
deleteq;
q=q->next;
cout<<"输入有错,请从新输入"<Delete();}chardecision;cout<<"是否将改动写入文件?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
Delete();
(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){ofstreamfout("bookinformation.txt");fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
fout<firstline<p=head->next;while(p){fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
fout<ISBN<<"\t"<name<<"\t"<author<<"\t"<num<<"\t"<in_date<<"\t"<out_date<p=p->next;}}cout<<"是否继续图书出库?(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"是否继续图书出库?
(y/n)"<cin>>decision;if(decision=='y'||decision=='Y'){Delete();}elseMenu();}voidModify()//修改图书库存信息功能的代码{cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
voidModify()//修改图书库存信息功能的代码
cout<<"*图书信息的修改*"<cout<<"请输入要修改图书的相关信息:"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
cout<<"请输入要修改图书的相关信息:
"<stringISBN,in_date,out_date;intnum;cout<<"ISBN:";cin>>ISBN;cout<<"数量:";cin>>num;cout<<"上次入库时间:";c
stringISBN,in_date,out_date;
cout<<"上次入库时间:
c
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