摘要：
hConnect）转到Ret0；hRequest=（HINSTANCE）HttpOpenRequest（hConnect，lpMethod，lpUrl，“HTTP/1.1”，空，空，INTERNET_FLAG_RELOAD，0）；如果（！hRequest）转到Ret0；//bRet=HttpAddRequestHeaders（hRequest，“Content-Type:application/x-www-form-urlencoded”，Len（FORMHEADERS），HTTP_ ADDREQ_ FLAG_ REPLACE | HTTP_ ADDREQ_ FLAG _ ADD）；//如果（！bRet）//转到Ret0；bRet=HttpSendRequest（hRequest，NULL，0，lpPostData，nPostDataLen）；while（TRUE）｛charcReadBuffer[4096]；unsignedlonglNumberOfBytesRead；bRet=InternetReadFile（hRequest，cReadBudger，sizeof（cReadBuff）-1，&lNumberOfBytesRead）；if（！bRet||！
转自：http://hi.baidu.com/benbearlove/item/1671c23017575825b3c0c53f
环境:xp sp3,vs2008,在静态库中使用 MFC
[cpp]view plaincopy
- #include<afxwin.h>
- #include<stdio.h>
- #include<windows.h>
- #include<string>
- #include"Wininet.h"
- #pragmacomment(lib,"Wininet.lib")
- //模拟浏览器发送HTTP请求函数
- std::stringHttpRequest(char*lpHostName,shortsPort,char*lpUrl,char*lpMethod,char*lpPostData,intnPostDataLen)
- {
- HINTERNEThInternet,hConnect,hRequest;
- BOOLbRet;
- std::stringstrResponse;
- hInternet=(HINSTANCE)InternetOpen("User-Agent",INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0);
- if(!hInternet)
- gotoRet0;
- hConnect=(HINSTANCE)InternetConnect(hInternet,lpHostName,sPort,NULL,"HTTP/1.1",INTERNET_SERVICE_HTTP,0,0);
- if(!hConnect)
- gotoRet0;
- hRequest=(HINSTANCE)HttpOpenRequest(hConnect,lpMethod,lpUrl,"HTTP/1.1",NULL,NULL,INTERNET_FLAG_RELOAD,0);
- if(!hRequest)
- gotoRet0;
- //bRet=HttpAddRequestHeaders(hRequest,"Content-Type:application/x-www-form-urlencoded",Len(FORMHEADERS),HTTP_ADDREQ_FLAG_REPLACE|HTTP_ADDREQ_FLAG_ADD);
- //if(!bRet)
- //gotoRet0;
- bRet=HttpSendRequest(hRequest,NULL,0,lpPostData,nPostDataLen);
- while(TRUE)
- {
- charcReadBuffer[4096];
- unsignedlonglNumberOfBytesRead;
- bRet=InternetReadFile(hRequest,cReadBuffer,sizeof(cReadBuffer)-1,&lNumberOfBytesRead);
- if(!bRet||!lNumberOfBytesRead)
- break;
- cReadBuffer[lNumberOfBytesRead]=0;
- strResponse=strResponse+cReadBuffer;
- }
- Ret0:
- if(hRequest)
- InternetCloseHandle(hRequest);
- if(hConnect)
- InternetCloseHandle(hConnect);
- if(hInternet)
- InternetCloseHandle(hInternet);
- returnstrResponse;
- }
- voidmain()
- {
- //CStringstrResponse=HttpRequest("translate.google.com",80,"/translate_t?langpair=en|zh-CN","POST","hl=zh-CN&ie=UTF-8&text=thisisme&langpair=en|zh-CN",strlen("hl=zh-CN&ie=UTF-8&text=thisisme&langpair=en|zh-CN"));
- std::stringstrResponse=HttpRequest("www.hao123.com",80,NULL,"GET",NULL,0);
- FILE*fp=fopen("C:\123.htm","wb");
- fwrite(strResponse.c_str(),strResponse.length(),1,fp);
- fclose(fp);
- }