进程通信实验报告Word文档格式.docx
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3.子进程编写
（1）发送消息
（2）读消息
三、实验结果
点击创建子进程按钮：
在创建子进程之后进行进程间的通信如下图
四、心得体会
1、从试验的角度了解了进程间是怎样利用管道进行通信的，了解了进程间通信的实际过程
2、进一步掌握了MFC的初步编程技巧，知道了怎样调试程序。
3进一步了解了，API函数的应用，明白了怎样进行界面编程。
4、进一步熟悉了在进行进程通信的编写过程中的各个细节。
六、附录
Process_Father.cpp
#include"
stdafx.h"
Process_Father.h"
//包含已编写的Process_Father.h头文件
Process_FatherDlg.h"
//包含已编写的Process_FatherDlg.h头文件
//进行宏定义
#ifdef_DEBUG
#definenewDEBUG_NEW
#undefTHIS_FILE
staticcharTHIS_FILE[]=__FILE__;
#endif
//创建父进程
BEGIN_MESSAGE_MAP（CProcess_FatherApp,CWinApp）
//{{AFX_MSG_MAP（CProcess_FatherApp）
//NOTE-theClassWizardwilladdandremovemappingmacroshere.
//DONOTEDITwhatyouseeintheseblocksofgeneratedcode!
//}}AFX_MSG
ON_COMMAND（ID_HELP,CWinApp:
:
OnHelp）
END_MESSAGE_MAP（）
//CProcess_FatherAppconstruction
CProcess_FatherApp:
CProcess_FatherApp（）
{
//TODO:
addconstructioncodehere,
//PlaceallsignificantinitializationinInitInstance
}
//TheoneandonlyCProcess_FatherAppobject
CProcess_FatherApptheApp;
//CProcess_FatherAppinitialization
BOOLCProcess_FatherApp:
InitInstance（）
AfxEnableControlContainer（）;
#ifdef_AFXDLL
Enable3dControls（）;
//CallthiswhenusingMFCinasharedDLL
#else
Enable3dControlsStatic（）;
//CallthiswhenlinkingtoMFCstatically
CProcess_FatherDlgdlg;
m_pMainWnd=&
dlg;
intnResponse=dlg.DoModal（）;
if（nResponse==IDOK）
{
//TODO:
Placecodeheretohandlewhenthedialogis
//dismissedwithOK
}
elseif（nResponse==IDCANCEL）
//dismissedwithCancel
//Sincethedialoghasbeenclosed,returnFALSEsothatweexitthe
//application,ratherthanstarttheapplication'
smessagepump.
returnFALSE;
Process_FatherDlg.cpp
//Process_FatherDlg.cpp:
implementationfile
//
/////////////////////////////////////////////////////////////////////////////
//CAboutDlgdialogusedforAppAbout
classCAboutDlg:
publicCDialog
public:
CAboutDlg（）;
//DialogData
//{{AFX_DATA（CAboutDlg）
enum{IDD=IDD_ABOUTBOX};
//}}AFX_DATA
//ClassWizardgeneratedvirtualfunctionoverrides
//{{AFX_VIRTUAL（CAboutDlg）
protected:
virtualvoidDoDataExchange（CDataExchange*pDX）;
//DDX/DDVsupport
//}}AFX_VIRTUAL
//Implementation
protected:
//{{AFX_MSG（CAboutDlg）
DECLARE_MESSAGE_MAP（）
};
CAboutDlg:
CAboutDlg（）:
CDialog（CAboutDlg:
IDD）
//{{AFX_DATA_INIT（CAboutDlg）
//}}AFX_DATA_INIT
voidCAboutDlg:
DoDataExchange（CDataExchange*pDX）
CDialog:
DoDataExchange（pDX）;
//{{AFX_DATA_MAP（CAboutDlg）
//}}AFX_DATA_MAP
BEGIN_MESSAGE_MAP（CAboutDlg,CDialog）
//{{AFX_MSG_MAP（CAboutDlg）
//Nomessagehandlers
//}}AFX_MSG_MAP
//CProcess_FatherDlgdialog
CProcess_FatherDlg:
CProcess_FatherDlg（CWnd*pParent/*=NULL*/）
:
CDialog（CProcess_FatherDlg:
IDD,pParent）
//{{AFX_DATA_INIT（CProcess_FatherDlg）
//NotethatLoadIcondoesnotrequireasubsequentDestroyIconinWin32
m_hIcon=AfxGetApp（）->
LoadIcon（IDR_MAINFRAME）;
voidCProcess_FatherDlg:
//{{AFX_DATA_MAP（CProcess_FatherDlg）
DDX_Control（pDX,IDC_BT_CreateChildProcess,m_BT_CreateChildProcess）;
DDX_Control（pDX,IDC_Send,m_Send）;
DDX_Control（pDX,IDC_LISTBOX_Record,m_LISTBOX_Record）;
DDX_Control（pDX,IDC_EDIT_Message,m_EDIT_Message）;
BEGIN_MESSAGE_MAP（CProcess_FatherDlg,CDialog）
//{{AFX_MSG_MAP（CProcess_FatherDlg）
ON_WM_SYSCOMMAND（）
ON_WM_PAINT（）
ON_WM_QUERYDRAGICON（）
ON_BN_CLICKED（IDC_BT_CreateChildProcess,OnBTCreateChildProcess）
ON_BN_CLICKED（IDC_Send,OnSend）
ON_MESSAGE（WM_CHILD_SEND,OnReceiveMsg）
//CProcess_FatherDlgmessagehandlers
BOOLCProcess_FatherDlg:
OnInitDialog（）
OnInitDialog（）;
//Add"
About..."
menuitemtosystemmenu.
//IDM_ABOUTBOXmustbeinthesystemcommandrange.
ASSERT（（IDM_ABOUTBOX&
0xFFF0）==IDM_ABOUTBOX）;
ASSERT（IDM_ABOUTBOX<
0xF000）;
CMenu*pSysMenu=GetSystemMenu（FALSE）;
if（pSysMenu!
=NULL）
CStringstrAboutMenu;
strAboutMenu.LoadString（IDS_ABOUTBOX）;
if（!
strAboutMenu.IsEmpty（））
{
pSysMenu->
AppendMenu（MF_SEPARATOR）;
AppendMenu（MF_STRING,IDM_ABOUTBOX,strAboutMenu）;
}
//Settheiconforthisdialog.Theframeworkdoesthisautomatically
//whentheapplication'
smainwindowisnotadialog
SetIcon（m_hIcon,TRUE）;
//Setbigicon
SetIcon（m_hIcon,FALSE）;
//Setsmallicon
Addextrainitializationhere
returnTRUE;
//returnTRUEunlessyousetthefocustoacontrol
OnSysCommand（UINTnID,LPARAMlParam）
if（（nID&
0xFFF0）==IDM_ABOUTBOX）
CAboutDlgdlgAbout;
dlgAbout.DoModal（）;
else
CDialog:
OnSysCommand（nID,lParam）;
//Ifyouaddaminimizebuttontoyourdialog,youwillneedthecodebelow
//todrawtheicon.ForMFCapplicationsusingthedocument/viewmodel,
//thisisautomaticallydoneforyoubytheframework.
OnPaint（）
if（IsIconic（））
CPaintDCdc（this）;
//devicecontextforpainting
SendMessage（WM_ICONERASEBKGND,（WPARAM）dc.GetSafeHdc（）,0）;
//Centericoninclientrectangle
intcxIcon=GetSystemMetrics（SM_CXICON）;
intcyIcon=GetSystemMetrics（SM_CYICON）;
CRectrect;
GetClientRect（&
rect）;
intx=（rect.Width（）-cxIcon+1）/2;
inty=（rect.Height（）-cyIcon+1）/2;
//Drawtheicon
dc.DrawIcon（x,y,m_hIcon）;
OnPaint（）;
//Thesystemcallsthistoobtainthecursortodisplaywhiletheuserdrags
//theminimizedwindow.
HCURSORCProcess_FatherDlg:
OnQueryDragIcon（）
return（HCURSOR）m_hIcon;
OnBTCreateChildProcess（）
//创建管道
SECURITY_ATTRIBUTESsa;
sa.nLength=sizeof（SECURITY_ATTRIBUTES）;
sa.lpSecurityDescriptor=NULL;
sa.bInheritHandle=TRUE;
CreatePipe（&
hPipeRead,&
hPipeWrite,&
sa,0）;
hPipeRead2,&
hPipeWrite2,&
//创建子进程
STARTUPINFOStartupInfo;
memset（&
StartupInfo,0,sizeof（STARTUPINFO））;
StartupInfo.cb=sizeof（STARTUPINFO）;
StartupInfo.dwFlags=STARTF_USESTDHANDLES;
StartupInfo.hStdInput=hPipeRead;
StartupInfo.hStdOutput=hPipeWrite;
StartupInfo.hStdError=GetStdHandle（STD_ERROR_HANDLE）;
PROCESS_INFORMATIONProcessInfo;
CreateProcess（"
Process_Child.exe"
NULL,NULL,NULL,TRUE,0,NULL,NULL,&
StartupInfo,&
ProcessInfo）;
m_BT_CreateChildProcess.EnableWindow（FALSE）;
OnSend（）
CStringstr;
charss[20]="
Father:
"
;
m_EDIT_Message.GetWindowText（str）;
DWORDdwWritten;
if（!
WriteFile（hPipeWrite,str,40,&
dwWritten,NULL））
MessageBox（TEXT（"
写错误"
）,"
警告"
MB_OK|MB_ICONWARNING）;
CStringstrWinName="
Process_Child"
CWnd*pWnd=CWnd:
FindWindow（NULL,strWinName）;
if（pWnd）
pWnd->
SendMessage（WM_FATHER_SEND,0,0）;
strcat（ss,str）;
m_LISTBOX_Record.InsertString（-1,ss）;
m_EDIT_Message.SetWindowText（"
）;
else
MessageBox（"
没有发现子进程"
"
错误"
}
OnReceiveMsg（WPARAMwParam,LPARAMlParam）
DWORDdwRead;
TCHARs[40];
HANDLEhPipeRead2;
hPipeRead2=GetStdHandle（STD_INPUT_HANDLE）;
ReadFile（hPipeRead,s,40,&
dwRead,NULL））
读错误！
charstr[60]="
Child:
"
strcat（str,s）;
m_LISTBOX_Record.InsertString（-1,str）;
Process_Father.h
//Process_Father.h:
mainheaderfileforthePROCESS_FATHERapplication
#if!
defined（AFX_PROCESS_FATHER_H__1F9659A2_2B93_4C1E_89C5_5A88971D3DDA__INCLUDED_）
#defineAFX_PROCESS_FATHER_H__1F9659A2_2B93_4C1E_89C5_5A88971D3DDA__INCLUDED_
#if_MSC_VER>
1000
#pragmaonce
#endif//_MSC_VER>
#ifndef__AFXWIN_H__
#errorinclude'
stdafx.h'
beforeincludingthisfileforPCH
resource.h"
//mainsymbols
//CProcess_FatherApp:
//SeeProcess_Father.cppfortheimplementationofthisclass
classCProcess_FatherApp:
publicCWinApp
CProcess_FatherApp（）;
//Overrides
//{{AFX_VIRTUAL（CProcess_FatherApp）
public:
virtualBOOLInitInstance（）;
//{{AFX_MSG（CProcess_FatherApp）
//NOTE-theClassWizardwilladdandremovememberfunctionshere.
//DONOTEDITwhatyouseeintheseblocksofgeneratedcode!
//{{AFX_INSERT_LOCATION}}
//MicrosoftVisualC++willinsertadditionaldeclarationsimmediatelybeforethepreviousline.
#endif//!
Process_FatherDlg.h
//Process_FatherDlg.h:
headerfile
defined（AFX_PROCESS_FATHERDLG_H__69E2942A_
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