用WinHttp简单的Post数据
1 BOOL KFunction::HttpPostData( LPCTSTR strUrl,LPCTSTR strData ) 2 { 3 OutputDebugString(_T("URL:")); 4 OutputDebugString(strUrl); 5 OutputDebugString(_T("DATA:")); 6 OutputDebugString(strData); 7 bool bRtn = true; 8 HINTERNET hSession = NULL; 9 HINTERNET hConn = NULL; 10 HINTERNET hRequest = NULL; 11 do{ 12 hSession = ::WinHttpOpen(_T("uninstall.exe"),WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,WINHTTP_NO_PROXY_NAME,WINHTTP_NO_PROXY_BYPASS,0); 13 if(NULL == hSession){ 14 bRtn = false; 15 break; 16 } 17 18 URL_COMPONENTS urlComp = {sizeof(URL_COMPONENTS)}; 19 TCHAR szHostName[MAX_PATH] = L""; 20 TCHAR szURLPath[MAX_PATH * 5] = L""; 21 urlComp.lpszHostName = szHostName; 22 urlComp.dwHostNameLength = MAX_PATH; 23 urlComp.lpszUrlPath = szURLPath; 24 urlComp.dwUrlPathLength = MAX_PATH * 5; 25 urlComp.dwSchemeLength = 1; // None zero 26 if(FALSE == ::WinHttpCrackUrl(strUrl,_tcslen(strUrl),0,&urlComp)){ 27 bRtn = false; 28 break; 29 } 30 hConn = ::WinHttpConnect(hSession,urlComp.lpszHostName,80,NULL); 31 if(NULL == hConn){ 32 bRtn = false; 33 break; 34 } 35 hRequest = ::WinHttpOpenRequest(hConn,_T("POST"),urlComp.lpszUrlPath,NULL,WINHTTP_NO_REFERER,WINHTTP_DEFAULT_ACCEPT_TYPES,0); 36 37 CString headers; 38 headers.Format(_T("Content-Length:%d\r\nContent-Type: application/x-www-form-urlencoded\r\n"),_tcslen(strData)); 39 40 if(FALSE == ::WinHttpSendRequest(hRequest,headers,headers.GetLength(),WINHTTP_NO_REQUEST_DATA,0,0,NULL)){ 41 bRtn = false; 42 break; 43 } 44 DWORD writeNum = 0; 45 #ifdef _UNICODE 46 char* szPostData = new char[_tcslen(strData)*2+1]; 47 wcstombs(szPostData,strData,MAX_PATH); 48 if(FALSE == ::WinHttpWriteData(hRequest,(LPVOID)szPostData,strlen(szPostData),&writeNum)){ 49 #else 50 if(FALSE == ::WinHttpWriteData(hRequest,(LPVOID)strData,strlen(strData),&writeNum)){ 51 #endif 52 bRtn = false; 53 break; 54 } 55 OutputDebugString(_T("POST请求发送成功")); 56 }while(0); 57 58 if(NULL != hRequest){ 59 WinHttpCloseHandle(hSession); 60 } 61 if(NULL != hConn){ 62 WinHttpCloseHandle(hSession); 63 } 64 if(NULL != hSession){ 65 WinHttpCloseHandle(hSession); 66 } 67 return bRtn; 68 }
具体参考MSDN：http://msdn.microsoft.com/en-us/library/windows/desktop/aa384098(v=vs.85).aspx
