写之前网上也有找 不过可以发送http请求 但是不能发送数据与是做了改进
//模拟浏览器发送HTTP请求函数
//地址,端口,跳转路径,方法,数据,数据长度
std::string HttpRequest(char * lpHostName,short sPort,char * lpUrl,char * lpMethod,char * lpPostData,int nPostDataLen)
{
HINTERNET hInternet,hConnect,hRequest;
BOOL bRet;
std::string strResponse;
// 建立会话
hInternet = (HINSTANCE)InternetOpen("User-Agent",INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0);
if(!hInternet)
goto Ret0;
// 建立连接
//hConnect = (HINSTANCE)InternetConnect(hInternet,lpHostName,sPort,NULL,"HTTP/1.1",INTERNET_SERVICE_HTTP,0,0);
hConnect = (HINSTANCE)InternetConnect(hInternet,lpHostName,sPort,NULL,NULL,INTERNET_SERVICE_HTTP,0,0);
if(!hConnect)
goto Ret0;
//建立一个 HTTP 请求
hRequest = (HINSTANCE)HttpOpenRequest(hConnect,_T(lpMethod),lpUrl,_T("HTTP/1.1"),lpUrl,NULL, INTERNET_FLAG_NO_CACHE_WRITE, 0);
//hRequest = (HINSTANCE)HttpOpenRequestW(hConnect,new WCHAR[CString(lpMethod).GetLength()+1],new WCHAR[CString(lpUrl).GetLength()+1],_T("HTTP/1.1"),lpUrl,NULL, INTERNET_FLAG_NO_CACHE_WRITE, 0);
if(!hRequest)
goto Ret0;
//bRet = HttpAddRequestHeaders(hRequest,"Content-Type: application/x-www-form-urlencoded",Len(FORMHEADERS),HTTP_ADDREQ_FLAG_REPLACE | HTTP_ADDREQ_FLAG_ADD);
//if(!bRet)
//goto Ret0;
//发送请求
TCHAR* postheader = _T("Content-Type: application/x-www-form-urlencoded");
bRet = HttpSendRequest(hRequest,postheader,-1,lpPostData,strlen(lpPostData));
while(TRUE)
{
char cReadBuffer[4096];
unsigned long lNumberOfBytesRead;
//下载HTTP服务器上的资源了。
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);
return strResponse;
} ;
可以直接用头部加上
#include "Wininet.h"
#pragma comment(lib,"Wininet.lib")