C语言课程设计学生成绩管理系统1.docx
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C语言课程设计学生成绩管理系统1
#include
/*strcmp函数原型包含*/
#defineN100
/*定义最大学生人数为100*/
structstudent/*学生结构体定义*/
{
charno[11];/*学号,10位*/
charname[10];/*,3个汉字*/
floatscore[5];/*储存5门功课的成绩*/
floatave;/*储存平均分*/
intyear;/*入学年*/
}stu[N];
intnum;
intpanduani(int);/*通过i的值,判断信息要查找的信息是否存在*/
voidoutput();/*输出学生成绩函数(公共函数)*/
voidinit();/*系统初始化函数*/
voidnewfile();/*建立新的数据文件*/
voidread1();/*从数据文件中读取数据*/
voidweihu();/*维护界面函数*/
voidnew1();/*新增一个学生成绩函数*/
voidxiugai();/*修改学生成绩*/
intxgcj(int);/*修改成绩*/
voiddelete1();/*删除学生信息函数*/
voidtongji();/*统计界面函数*/
voidtongji1();/*计算每个学生平均分*/
voidtongji2();/*计算每门课程的平均分*/
voidpaixu1();/*排序函数*/
voidpaino();/*按学号排序*/
voidpaiave();/*按平均分排序*/
voidpaidkcj();/*按单科成绩排序*/
voidchange(int,int);/*交换结构体数组中的两个记录*/
voidoutputx(int);/*选择输出单科成绩徐修楼编*/
voidfind1();/*查找界面函数*/
intfind(charsno[]);/*按学号查找*/
intfindname(charame[]);/*按查找*/
voidfindyear(intcyear);/*按入学年查找*/
voidsave();/*保存文件*/
voidstop();/*停顿函数*/
voidstop()/*停顿函数(公共函数)*/
printf("PressAnyKeyToContinue...\n");
getch();
}
voidoutput()/*输出学生成绩函数(公共函数)*/
inti,j;
printf("===================================================================\n");
printf("XueHaoXingMingRuXueNianCGaoShuDaWuDianLuMoDian\n");
for(i=0;i{printf("%-11s%-10s%-11d",stu[i].no,stu[i].name,stu[i].year);for(j=0;j<5;j++)printf("%-7.1f",stu[i].score[j]);printf("\n");}stop();}voidinit()/*系统初始化函数*/{if(access("stu.dat",0))/*判断文件是否存在*/newfile();/*若不存在,新建数据文件*/elseread1();/*若存在,读取数据*/}voidnewfile()/*建立新的数据文件*/{inti;FILE*fp;if((fp=fopen("stu.dat","wb"))==NULL)/*创建二进制文件*/{printf("ChuangJianShiBai!QingChongXinYunXingChengXu.\n");/*显示“创建文件失败,请重新运行程序”*/exit(0);/*终止程序*/}printf("ChuCiYunXing,JinXingShuJuChuShiHua...\n");/*显示“初次运行,进行数据初始化...”*/stop();clrscr();printf("QingShuRuXueShengRenShu:");/*显示“请输入学生人数:”*/scanf("%d",&num);for(i=0;i{printf("QingShuRuDi%dGeXueShengDeXueHao:",i+1);/*显示“请输入第i+1个学生的学号:”*/getchar();/*吃回车*/gets(stu[i].no);printf("XingMing:");/*显示“:”*/gets(stu[i].name);printf("RuXueNian:");/*显示“入学年”*/scanf("%d",&stu[i].year);printf("C-YuYanChengJi:");/*显示“C语言成绩”*/scanf("%f",&stu[i].score[0]);printf("GaoShuChengJi:");/*显示“高数成绩”*/scanf("%f",&stu[i].score[1]);printf("DaWuChengJi:");/*显示“大物成绩”*/scanf("%f",&stu[i].score[2]);printf("DianLuChengJi:");/*显示“电路成绩”*/scanf("%f",&stu[i].score[3]);printf("MoDianChengJi:");/*显示“模电成绩”*/scanf("%f",&stu[i].score[4]);fwrite(&stu[i],1,sizeof(structstudent),fp);/*把第i+1名学生成绩写入文件*/}fclose(fp);clrscr();printf("======================================\n");printf("GungCaiShuRuDe%dGeShuJuWei:\n",num);/*显示“刚才输入的num个数据为:”*/printf("======================================\n\n");output();}voidread1()/*从数据文件中读取数据*/{FILE*fp;num=0;/*num为数据文件中实际存储的学生人数*/fp=fopen("stu.dat","r");if(fp==NULL)/*数据文件不存在*/{printf("WenJianDaKaiShiBai!ChongXinYunXingChengXu\n");/*显示“文件打开失败!重新运行程序”*/exit(0);}while(!feof(fp)){fread(&stu[num],1,sizeof(structstudent),fp);num++;}num--;fclose(fp);printf("=======================================\n");printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/printf("=======================================\n\n");output();}voidweihu()/*维护界面函数*/{charc1;while(1){clrscr();printf("\n\n\n\t\t\t*****************************\n");printf("\t\t\t*WeiHu*\n");printf("\t\t\t*1.XinZeng*\n");/*新增*/printf("\t\t\t*2.ShanChu*\n");/*删除(按学号)*/printf("\t\t\t*3.XiuGai*\n");/*修改*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*****************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c1=getch();if(c1==27)break;switch(c1){case'1':new1();break;case'2':delete1();case'3':xiugai();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidnew1()/*新增一个学生成绩函数*/{printf("QingShuRuXueHao:");/*显示“请输入学号:”*/getchar();/*吃回车*/gets(stu[num].no);printf("XingMing:");/*显示“:”*/gets(stu[num].name);printf("RuXueNian:");/*显示“入学年”*/scanf("%d",&stu[num].year);printf("C-YuYanChengJi:");/*显示“C语言成绩”*/scanf("%f",&stu[num].score[0]);printf("GaoShuChengJi:");/*显示“高数成绩”*/scanf("%f",&stu[num].score[1]);printf("DaWuChengJi:");/*显示“大物成绩”*/scanf("%f",&stu[num].score[2]);printf("DianLuChengJi:");/*显示“电路成绩”*/scanf("%f",&stu[num].score[3]);printf("MoDianChengJi:");/*显示“模电成绩”*/scanf("%f",&stu[num].score[4]);num++;printf("\n======================================\n");printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/printf("======================================\n\n");output();}voidxiugai()/*修改学生成绩*/{charxg[11];inti;printf("\nQingshuruyaoxiugaixueshengdexuehao:\n\n");gets(xg);for(i=0;iif(strcmp(stu[i].no,xg)==0)break;if(i==num){printf("\nShujuwenjianwugaishengxixi!\n\nQingchongxinshuruxuehao.\n\n");stop();return;}xgcj(i);}intxgcj(intx)/*修改成绩*/{charxueke[5][10]={"Cyuyan","Gaoshu","Wuli","Dianlu","Modian"};char(*p)[10],c;intj,k;p=xueke;for(;;){clrscr();printf("\n");printf("\t\t\t************************************\n\n");printf("\t\t\tChengJi\n");printf("\t\t\t1.CYuYan\n");/*C语言*/printf("\t\t\t2.GaoShu\n");/*高数*/printf("\t\t\t3.WuLi\n");/*大学物理*/printf("\t\t\t4.DianLu\n");/*电路*/printf("\t\t\t5.MoDian\n");/*模电*/printf("\t\t\tEsc.FanHui\n\n");/*返回上级*/printf("\t\t\t************************************\n\n");printf("\tQingxuanzeyaoxiugaidechengji(press1.2.3.4.5.Esc):\n");c=getch();if(c==27)break;elseif(c>='1'&&c<='5'){k=c-49;printf("\nQingshuru%schengji:\n",p+k);scanf("%f",&stu[x].score[k]);printf("\nXiugaihougaixueshengxinxiwei:\n");printf("XueHaoXingMingRuXueNianCGaoShuDaWuDianLuMoDian\n");printf("===================================================================\n");printf("%-11s%-10s%-11d",stu[x].no,stu[x].name,stu[x].year);for(j=0;j<5;j++)printf("%-7.1f",stu[x].score[j]);printf("\n");}elseprintf("\nXuanZenYouWu,QingChongXuan!\n\n");stop();}}intfind(charsno[])/*按学号查找*/{inti;for(i=0;iif(strcmp(stu[i].no,sno)==0)/*判断两个字符串相等*/returni;/*查找成功*/return-1;/*查找失败*/}voiddelete1()/*删除学生信息函数*/{charo[11];inti,j;printf("QingShuRuYaoShanChuDeXueShengXueHao:");/*“请输入要删除的学生学号”*/gets(cno);i=find(cno);if(i!=-1){for(j=i;jstu[j]=stu[j+1];num--;printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/output();}else{printf("qingshuruzhengquedexuehao.\n");stop();}}voidtongji()/*统计界面函数*/{inti;charc2;while(1){clrscr();printf("\n\n\n\t\t\t************************************\n");printf("\t\t\t*TongJi*\n");printf("\t\t\t*1.XueShengPingJunFen*\n");/*计算学生平均分*/printf("\t\t\t*2.KeChengPingJunFen*\n");/*计算每门课程平均分*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t************************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c2=getch();if(c2==27)break;switch(c2){case'1':tongji1();printf("\n\nXueShengPingJunFenWei:\n");printf("===========================================\n");printf("XueHaoXingMingRuXueNianPingJunFen\n");printf("===========================================\n");for(i=0;iprintf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);stop();break;case'2':tongji2();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidtongji1()/*计算每个学生平均分*/{inti,j;for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
printf("%-11s%-10s%-11d",stu[i].no,stu[i].name,stu[i].year);
for(j=0;j<5;j++)
printf("%-7.1f",stu[i].score[j]);
printf("\n");
stop();
voidinit()/*系统初始化函数*/
if(access("stu.dat",0))/*判断文件是否存在*/
newfile();/*若不存在,新建数据文件*/
else
read1();/*若存在,读取数据*/
voidnewfile()/*建立新的数据文件*/
inti;
FILE*fp;
if((fp=fopen("stu.dat","wb"))==NULL)/*创建二进制文件*/
printf("ChuangJianShiBai!
QingChongXinYunXingChengXu.\n");/*显示“创建文件失败,请重新运行程序”*/
exit(0);/*终止程序*/
printf("ChuCiYunXing,JinXingShuJuChuShiHua...\n");/*显示“初次运行,进行数据初始化...”*/
clrscr();
printf("QingShuRuXueShengRenShu:
");/*显示“请输入学生人数:
”*/
scanf("%d",&num);
for(i=0;i{printf("QingShuRuDi%dGeXueShengDeXueHao:",i+1);/*显示“请输入第i+1个学生的学号:”*/getchar();/*吃回车*/gets(stu[i].no);printf("XingMing:");/*显示“:”*/gets(stu[i].name);printf("RuXueNian:");/*显示“入学年”*/scanf("%d",&stu[i].year);printf("C-YuYanChengJi:");/*显示“C语言成绩”*/scanf("%f",&stu[i].score[0]);printf("GaoShuChengJi:");/*显示“高数成绩”*/scanf("%f",&stu[i].score[1]);printf("DaWuChengJi:");/*显示“大物成绩”*/scanf("%f",&stu[i].score[2]);printf("DianLuChengJi:");/*显示“电路成绩”*/scanf("%f",&stu[i].score[3]);printf("MoDianChengJi:");/*显示“模电成绩”*/scanf("%f",&stu[i].score[4]);fwrite(&stu[i],1,sizeof(structstudent),fp);/*把第i+1名学生成绩写入文件*/}fclose(fp);clrscr();printf("======================================\n");printf("GungCaiShuRuDe%dGeShuJuWei:\n",num);/*显示“刚才输入的num个数据为:”*/printf("======================================\n\n");output();}voidread1()/*从数据文件中读取数据*/{FILE*fp;num=0;/*num为数据文件中实际存储的学生人数*/fp=fopen("stu.dat","r");if(fp==NULL)/*数据文件不存在*/{printf("WenJianDaKaiShiBai!ChongXinYunXingChengXu\n");/*显示“文件打开失败!重新运行程序”*/exit(0);}while(!feof(fp)){fread(&stu[num],1,sizeof(structstudent),fp);num++;}num--;fclose(fp);printf("=======================================\n");printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/printf("=======================================\n\n");output();}voidweihu()/*维护界面函数*/{charc1;while(1){clrscr();printf("\n\n\n\t\t\t*****************************\n");printf("\t\t\t*WeiHu*\n");printf("\t\t\t*1.XinZeng*\n");/*新增*/printf("\t\t\t*2.ShanChu*\n");/*删除(按学号)*/printf("\t\t\t*3.XiuGai*\n");/*修改*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*****************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c1=getch();if(c1==27)break;switch(c1){case'1':new1();break;case'2':delete1();case'3':xiugai();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidnew1()/*新增一个学生成绩函数*/{printf("QingShuRuXueHao:");/*显示“请输入学号:”*/getchar();/*吃回车*/gets(stu[num].no);printf("XingMing:");/*显示“:”*/gets(stu[num].name);printf("RuXueNian:");/*显示“入学年”*/scanf("%d",&stu[num].year);printf("C-YuYanChengJi:");/*显示“C语言成绩”*/scanf("%f",&stu[num].score[0]);printf("GaoShuChengJi:");/*显示“高数成绩”*/scanf("%f",&stu[num].score[1]);printf("DaWuChengJi:");/*显示“大物成绩”*/scanf("%f",&stu[num].score[2]);printf("DianLuChengJi:");/*显示“电路成绩”*/scanf("%f",&stu[num].score[3]);printf("MoDianChengJi:");/*显示“模电成绩”*/scanf("%f",&stu[num].score[4]);num++;printf("\n======================================\n");printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/printf("======================================\n\n");output();}voidxiugai()/*修改学生成绩*/{charxg[11];inti;printf("\nQingshuruyaoxiugaixueshengdexuehao:\n\n");gets(xg);for(i=0;iif(strcmp(stu[i].no,xg)==0)break;if(i==num){printf("\nShujuwenjianwugaishengxixi!\n\nQingchongxinshuruxuehao.\n\n");stop();return;}xgcj(i);}intxgcj(intx)/*修改成绩*/{charxueke[5][10]={"Cyuyan","Gaoshu","Wuli","Dianlu","Modian"};char(*p)[10],c;intj,k;p=xueke;for(;;){clrscr();printf("\n");printf("\t\t\t************************************\n\n");printf("\t\t\tChengJi\n");printf("\t\t\t1.CYuYan\n");/*C语言*/printf("\t\t\t2.GaoShu\n");/*高数*/printf("\t\t\t3.WuLi\n");/*大学物理*/printf("\t\t\t4.DianLu\n");/*电路*/printf("\t\t\t5.MoDian\n");/*模电*/printf("\t\t\tEsc.FanHui\n\n");/*返回上级*/printf("\t\t\t************************************\n\n");printf("\tQingxuanzeyaoxiugaidechengji(press1.2.3.4.5.Esc):\n");c=getch();if(c==27)break;elseif(c>='1'&&c<='5'){k=c-49;printf("\nQingshuru%schengji:\n",p+k);scanf("%f",&stu[x].score[k]);printf("\nXiugaihougaixueshengxinxiwei:\n");printf("XueHaoXingMingRuXueNianCGaoShuDaWuDianLuMoDian\n");printf("===================================================================\n");printf("%-11s%-10s%-11d",stu[x].no,stu[x].name,stu[x].year);for(j=0;j<5;j++)printf("%-7.1f",stu[x].score[j]);printf("\n");}elseprintf("\nXuanZenYouWu,QingChongXuan!\n\n");stop();}}intfind(charsno[])/*按学号查找*/{inti;for(i=0;iif(strcmp(stu[i].no,sno)==0)/*判断两个字符串相等*/returni;/*查找成功*/return-1;/*查找失败*/}voiddelete1()/*删除学生信息函数*/{charo[11];inti,j;printf("QingShuRuYaoShanChuDeXueShengXueHao:");/*“请输入要删除的学生学号”*/gets(cno);i=find(cno);if(i!=-1){for(j=i;jstu[j]=stu[j+1];num--;printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/output();}else{printf("qingshuruzhengquedexuehao.\n");stop();}}voidtongji()/*统计界面函数*/{inti;charc2;while(1){clrscr();printf("\n\n\n\t\t\t************************************\n");printf("\t\t\t*TongJi*\n");printf("\t\t\t*1.XueShengPingJunFen*\n");/*计算学生平均分*/printf("\t\t\t*2.KeChengPingJunFen*\n");/*计算每门课程平均分*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t************************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c2=getch();if(c2==27)break;switch(c2){case'1':tongji1();printf("\n\nXueShengPingJunFenWei:\n");printf("===========================================\n");printf("XueHaoXingMingRuXueNianPingJunFen\n");printf("===========================================\n");for(i=0;iprintf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);stop();break;case'2':tongji2();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidtongji1()/*计算每个学生平均分*/{inti,j;for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
printf("QingShuRuDi%dGeXueShengDeXueHao:
",i+1);/*显示“请输入第i+1个学生的学号:
getchar();/*吃回车*/
gets(stu[i].no);
printf("XingMing:
");/*显示“:
gets(stu[i].name);
printf("RuXueNian:
");/*显示“入学年”*/
scanf("%d",&stu[i].year);
printf("C-YuYanChengJi:
");/*显示“C语言成绩”*/
scanf("%f",&stu[i].score[0]);
printf("GaoShuChengJi:
");/*显示“高数成绩”*/
scanf("%f",&stu[i].score[1]);
printf("DaWuChengJi:
");/*显示“大物成绩”*/
scanf("%f",&stu[i].score[2]);
printf("DianLuChengJi:
");/*显示“电路成绩”*/
scanf("%f",&stu[i].score[3]);
printf("MoDianChengJi:
");/*显示“模电成绩”*/
scanf("%f",&stu[i].score[4]);
fwrite(&stu[i],1,sizeof(structstudent),fp);/*把第i+1名学生成绩写入文件*/
fclose(fp);
printf("======================================\n");
printf("GungCaiShuRuDe%dGeShuJuWei:
\n",num);/*显示“刚才输入的num个数据为:
printf("======================================\n\n");
output();
voidread1()/*从数据文件中读取数据*/
num=0;/*num为数据文件中实际存储的学生人数*/
fp=fopen("stu.dat","r");
if(fp==NULL)/*数据文件不存在*/
printf("WenJianDaKaiShiBai!
ChongXinYunXingChengXu\n");/*显示“文件打开失败!
重新运行程序”*/
exit(0);
while(!
feof(fp))
fread(&stu[num],1,sizeof(structstudent),fp);
num++;
num--;
printf("=======================================\n");
printf("XianYou%dGeXueShengDeChengJi:
\n",num);/*显示“现有NUM个学生的成绩:
printf("=======================================\n\n");
voidweihu()/*维护界面函数*/
charc1;
while
(1)
printf("\n\n\n\t\t\t*****************************\n");
printf("\t\t\t*WeiHu*\n");
printf("\t\t\t*1.XinZeng*\n");/*新增*/
printf("\t\t\t*2.ShanChu*\n");/*删除(按学号)*/
printf("\t\t\t*3.XiuGai*\n");/*修改*/
printf("\t\t\t*ESC.FanHui*\n");/*返回*/
printf("\t\t\t*****************************\n");
printf("\t\t\tQingXuanZe:
\n");/*请选择:
*/
c1=getch();
if(c1==27)
break;
switch(c1)
case'1':
new1();
case'2':
delete1();
case'3':
xiugai();
default:
printf("XuanZenYouWu,QingChongXuan!
\n");/*“选择有误,请重选!
voidnew1()/*新增一个学生成绩函数*/
printf("QingShuRuXueHao:
");/*显示“请输入学号:
gets(stu[num].no);
gets(stu[num].name);
scanf("%d",&stu[num].year);
scanf("%f",&stu[num].score[0]);
scanf("%f",&stu[num].score[1]);
scanf("%f",&stu[num].score[2]);
scanf("%f",&stu[num].score[3]);
scanf("%f",&stu[num].score[4]);
printf("\n======================================\n");
voidxiugai()/*修改学生成绩*/
charxg[11];
printf("\nQingshuruyaoxiugaixueshengdexuehao:
\n\n");
gets(xg);
for(i=0;iif(strcmp(stu[i].no,xg)==0)break;if(i==num){printf("\nShujuwenjianwugaishengxixi!\n\nQingchongxinshuruxuehao.\n\n");stop();return;}xgcj(i);}intxgcj(intx)/*修改成绩*/{charxueke[5][10]={"Cyuyan","Gaoshu","Wuli","Dianlu","Modian"};char(*p)[10],c;intj,k;p=xueke;for(;;){clrscr();printf("\n");printf("\t\t\t************************************\n\n");printf("\t\t\tChengJi\n");printf("\t\t\t1.CYuYan\n");/*C语言*/printf("\t\t\t2.GaoShu\n");/*高数*/printf("\t\t\t3.WuLi\n");/*大学物理*/printf("\t\t\t4.DianLu\n");/*电路*/printf("\t\t\t5.MoDian\n");/*模电*/printf("\t\t\tEsc.FanHui\n\n");/*返回上级*/printf("\t\t\t************************************\n\n");printf("\tQingxuanzeyaoxiugaidechengji(press1.2.3.4.5.Esc):\n");c=getch();if(c==27)break;elseif(c>='1'&&c<='5'){k=c-49;printf("\nQingshuru%schengji:\n",p+k);scanf("%f",&stu[x].score[k]);printf("\nXiugaihougaixueshengxinxiwei:\n");printf("XueHaoXingMingRuXueNianCGaoShuDaWuDianLuMoDian\n");printf("===================================================================\n");printf("%-11s%-10s%-11d",stu[x].no,stu[x].name,stu[x].year);for(j=0;j<5;j++)printf("%-7.1f",stu[x].score[j]);printf("\n");}elseprintf("\nXuanZenYouWu,QingChongXuan!\n\n");stop();}}intfind(charsno[])/*按学号查找*/{inti;for(i=0;iif(strcmp(stu[i].no,sno)==0)/*判断两个字符串相等*/returni;/*查找成功*/return-1;/*查找失败*/}voiddelete1()/*删除学生信息函数*/{charo[11];inti,j;printf("QingShuRuYaoShanChuDeXueShengXueHao:");/*“请输入要删除的学生学号”*/gets(cno);i=find(cno);if(i!=-1){for(j=i;jstu[j]=stu[j+1];num--;printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/output();}else{printf("qingshuruzhengquedexuehao.\n");stop();}}voidtongji()/*统计界面函数*/{inti;charc2;while(1){clrscr();printf("\n\n\n\t\t\t************************************\n");printf("\t\t\t*TongJi*\n");printf("\t\t\t*1.XueShengPingJunFen*\n");/*计算学生平均分*/printf("\t\t\t*2.KeChengPingJunFen*\n");/*计算每门课程平均分*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t************************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c2=getch();if(c2==27)break;switch(c2){case'1':tongji1();printf("\n\nXueShengPingJunFenWei:\n");printf("===========================================\n");printf("XueHaoXingMingRuXueNianPingJunFen\n");printf("===========================================\n");for(i=0;iprintf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);stop();break;case'2':tongji2();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidtongji1()/*计算每个学生平均分*/{inti,j;for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
if(strcmp(stu[i].no,xg)==0)break;
if(i==num)
printf("\nShujuwenjianwugaishengxixi!
\n\nQingchongxinshuruxuehao.\n\n");
return;
xgcj(i);
intxgcj(intx)/*修改成绩*/
charxueke[5][10]={"Cyuyan","Gaoshu","Wuli","Dianlu","Modian"};
char(*p)[10],c;
intj,k;
p=xueke;
for(;;)
printf("\t\t\t************************************\n\n");
printf("\t\t\tChengJi\n");
printf("\t\t\t1.CYuYan\n");/*C语言*/
printf("\t\t\t2.GaoShu\n");/*高数*/
printf("\t\t\t3.WuLi\n");/*大学物理*/
printf("\t\t\t4.DianLu\n");/*电路*/
printf("\t\t\t5.MoDian\n");/*模电*/
printf("\t\t\tEsc.FanHui\n\n");/*返回上级*/
printf("\tQingxuanzeyaoxiugaidechengji(press1.2.3.4.5.Esc):
\n");
c=getch();
if(c==27)break;
elseif(c>='1'&&c<='5')
k=c-49;
printf("\nQingshuru%schengji:
\n",p+k);
scanf("%f",&stu[x].score[k]);
printf("\nXiugaihougaixueshengxinxiwei:
printf("%-11s%-10s%-11d",stu[x].no,stu[x].name,stu[x].year);
printf("%-7.1f",stu[x].score[j]);
elseprintf("\nXuanZenYouWu,QingChongXuan!
intfind(charsno[])/*按学号查找*/
for(i=0;iif(strcmp(stu[i].no,sno)==0)/*判断两个字符串相等*/returni;/*查找成功*/return-1;/*查找失败*/}voiddelete1()/*删除学生信息函数*/{charo[11];inti,j;printf("QingShuRuYaoShanChuDeXueShengXueHao:");/*“请输入要删除的学生学号”*/gets(cno);i=find(cno);if(i!=-1){for(j=i;jstu[j]=stu[j+1];num--;printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/output();}else{printf("qingshuruzhengquedexuehao.\n");stop();}}voidtongji()/*统计界面函数*/{inti;charc2;while(1){clrscr();printf("\n\n\n\t\t\t************************************\n");printf("\t\t\t*TongJi*\n");printf("\t\t\t*1.XueShengPingJunFen*\n");/*计算学生平均分*/printf("\t\t\t*2.KeChengPingJunFen*\n");/*计算每门课程平均分*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t************************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c2=getch();if(c2==27)break;switch(c2){case'1':tongji1();printf("\n\nXueShengPingJunFenWei:\n");printf("===========================================\n");printf("XueHaoXingMingRuXueNianPingJunFen\n");printf("===========================================\n");for(i=0;iprintf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);stop();break;case'2':tongji2();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidtongji1()/*计算每个学生平均分*/{inti,j;for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
if(strcmp(stu[i].no,sno)==0)/*判断两个字符串相等*/
returni;/*查找成功*/
return-1;/*查找失败*/
voiddelete1()/*删除学生信息函数*/
charo[11];
printf("QingShuRuYaoShanChuDeXueShengXueHao:
");/*“请输入要删除的学生学号”*/
gets(cno);
i=find(cno);
if(i!
=-1)
{for(j=i;jstu[j]=stu[j+1];num--;printf("XianYou%dGeXueShengDeChengJi:\n",num);/*显示“现有NUM个学生的成绩:”*/output();}else{printf("qingshuruzhengquedexuehao.\n");stop();}}voidtongji()/*统计界面函数*/{inti;charc2;while(1){clrscr();printf("\n\n\n\t\t\t************************************\n");printf("\t\t\t*TongJi*\n");printf("\t\t\t*1.XueShengPingJunFen*\n");/*计算学生平均分*/printf("\t\t\t*2.KeChengPingJunFen*\n");/*计算每门课程平均分*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t************************************\n");printf("\t\t\tQingXuanZe:\n");/*请选择:*/c2=getch();if(c2==27)break;switch(c2){case'1':tongji1();printf("\n\nXueShengPingJunFenWei:\n");printf("===========================================\n");printf("XueHaoXingMingRuXueNianPingJunFen\n");printf("===========================================\n");for(i=0;iprintf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);stop();break;case'2':tongji2();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidtongji1()/*计算每个学生平均分*/{inti,j;for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
stu[j]=stu[j+1];
output();}
else{printf("qingshuruzhengquedexuehao.\n");
stop();}
voidtongji()/*统计界面函数*/
charc2;
printf("\n\n\n\t\t\t************************************\n");
printf("\t\t\t*TongJi*\n");
printf("\t\t\t*1.XueShengPingJunFen*\n");/*计算学生平均分*/
printf("\t\t\t*2.KeChengPingJunFen*\n");/*计算每门课程平均分*/
printf("\t\t\t************************************\n");
c2=getch();
if(c2==27)break;
switch(c2)
tongji1();
printf("\n\nXueShengPingJunFenWei:
printf("===========================================\n");
printf("XueHaoXingMingRuXueNianPingJunFen\n");
for(i=0;iprintf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);stop();break;case'2':tongji2();break;default:printf("XuanZenYouWu,QingChongXuan!\n");/*“选择有误,请重选!”*/}}}voidtongji1()/*计算每个学生平均分*/{inti,j;for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
printf("%-11s%-10s%-11d%-10.2f\n",stu[i].no,stu[i].name,stu[i].year,stu[i].ave);
tongji2();
voidtongji1()/*计算每个学生平均分*/
for(i=0;i{stu[i].ave=0;for(j=0;j<5;j++)stu[i].ave+=stu[i].score[j];stu[i].ave=stu[i].ave/5;}}voidtongji2()/*计算每门课程的平均分*/{inti,j;floatsum;floatavec[5];/*储存每门课的平均分*/for(j=0;j<5;j++){sum=0;for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
stu[i].ave=0;
stu[i].ave+=stu[i].score[j];
stu[i].ave=stu[i].ave/5;
voidtongji2()/*计算每门课程的平均分*/
floatsum;
floatavec[5];/*储存每门课的平均分*/
sum=0;
for(i=0;isum+=stu[i].score[j];avec[j]=sum/num;}printf("\n\nGeKePingJunFenWei:\n");/*“各科平均分:”*/printf("===================================\n");printf("CGaoShuDaWuDianLuMoDian\n");printf("===================================\n");for(i=0;i<5;i++)printf("%-7.1f",avec[i]);printf("\n");stop();}voidpaixu1()/*排序界面*/{charc3;for(;;){clrscr();printf("\n\n\n");printf("\t\t\t*************************************\n");printf("\t\t\t*PaiXu*\n");printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/printf("\t\t\t*ESC.FanHui*\n");/*返回*/printf("\t\t\t*************************************\n\n");printf("\t\QingXuanZe(press1.2.3.Esc):\n");/*请选择:*/c3=getch();if(c3==27)break;switch(c3){case'1':paino();break;case'2':paiave();break;case'3':paidkcj();break;default:printf("\nXuanZenYouWu,QingChongXuan!\n\n");/*选择有误,请重选!*/stop();}}}voidpaino()/*按学号排序*/{/*按学号从低到高冒泡法排序*/inti,j,k;for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
sum+=stu[i].score[j];
avec[j]=sum/num;
printf("\n\nGeKePingJunFenWei:
\n");/*“各科平均分:
printf("===================================\n");
printf("CGaoShuDaWuDianLuMoDian\n");
for(i=0;i<5;i++)
printf("%-7.1f",avec[i]);
voidpaixu1()/*排序界面*/
charc3;
printf("\n\n\n");
printf("\t\t\t*************************************\n");
printf("\t\t\t*PaiXu*\n");
printf("\t\t\t*1.AnXueHao*\n");/*按学号排序*/
printf("\t\t\t*2.AnPingJunFen*\n");/*按平均分排序*/
printf("\t\t\t*3.Andankechengji*\n");/*按单科成绩排序*/
printf("\t\t\t*************************************\n\n");
printf("\t\QingXuanZe(press1.2.3.Esc):
c3=getch();
if(c3==27)break;
switch(c3)
paino();break;
paiave();break;
paidkcj();break;
printf("\nXuanZenYouWu,QingChongXuan!
\n\n");/*选择有误,请重选!
voidpaino()/*按学号排序*/
{/*按学号从低到高冒泡法排序*/
inti,j,k;
for(i=0;ifor(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
for(j=0;jif(strcmp(stu[j].no,stu[j+1].no)>0)change(j,j+1);printf("\nPaiXuHouWei:\n");/*“排序后为:”*/output();}voidpaiave()/*按平均分排序*/{/*按平均分从高到低冒泡法排序*/inti,j;structstudenttemp;tongji1();/*计算平均成绩*/for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
if(strcmp(stu[j].no,stu[j+1].no)>0)
change(j,j+1);
printf("\nPaiXuHouWei:
\n");/*“排序后为:
voidpaiave()/*按平均分排序*/
{/*按平均分从高到低冒泡法排序*/
structstudenttemp;
tongji1();/*计算平均成绩*/
for(i=0;ifor(j=0;jif(stu[j].avechange(j,j+1);pr
for(j=0;jif(stu[j].avechange(j,j+1);pr
if(stu[j].avechange(j,j+1);pr
pr
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