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.h
#ifndef HTTPCLIENT_H
#define HTTPCLIENT_H #include <afxinet.h>
#include <string> using namespace std; #define IE_AGENT _T("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)") // 操作成功
#define SUCCESS 0
// 操作失败
#define FAILURE 1
// 操作超时 www.it165.net
#define OUTTIME 2 class CHttpClient
{
public: CHttpClient(LPCTSTR strAgent = IE_AGENT); virtual ~CHttpClient(void); int HttpGet(LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse); int HttpPost(LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse); private: int ExecuteRequest(LPCTSTR strMethod, LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse); void Clear(); private: CInternetSession *m_pSession; CHttpConnection *m_pConnection; CHttpFile *m_pFile;
}; #endif // HTTPCLIENT_H
.cpp文件
// HttpClient.cpp
#include "StdAfx.h"
#include "InternetConnection.h"
//#include "yazuoLog.h" #define BUFFER_SIZE 1024 #define NORMAL_CONNECT INTERNET_FLAG_KEEP_CONNECTION
#define SECURE_CONNECT NORMAL_CONNECT | INTERNET_FLAG_SECURE
#define NORMAL_REQUEST INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE
#define SECURE_REQUEST NORMAL_REQUEST | INTERNET_FLAG_SECURE | INTERNET_FLAG_IGNORE_CERT_CN_INVALID CHttpClient::CHttpClient(LPCTSTR strAgent)
{ m_pSession = new CInternetSession(strAgent); m_pConnection = NULL; m_pFile = NULL;
} CHttpClient::~CHttpClient(void)
{ Clear(); if(NULL != m_pSession) { m_pSession->Close(); delete m_pSession; m_pSession = NULL; }
} void CHttpClient::Clear()
{ if(NULL != m_pFile) { m_pFile->Close(); delete m_pFile; m_pFile = NULL; } if(NULL != m_pConnection) { m_pConnection->Close(); delete m_pConnection; m_pConnection = NULL; }
} int CHttpClient::ExecuteRequest(LPCTSTR strMethod, LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse)
{ CString strServer; CString strObject; DWORD dwServiceType; INTERNET_PORT nPort; strResponse = ""; AfxParseURL(strUrl, dwServiceType, strServer, strObject, nPort); if(AFX_INET_SERVICE_HTTP != dwServiceType && AFX_INET_SERVICE_HTTPS != dwServiceType) { return FAILURE; } try { m_pConnection = m_pSession->GetHttpConnection(strServer, dwServiceType == AFX_INET_SERVICE_HTTP ? NORMAL_CONNECT : SECURE_CONNECT, nPort); m_pFile = m_pConnection->OpenRequest(strMethod, strObject, NULL, 1, NULL, NULL, (dwServiceType == AFX_INET_SERVICE_HTTP ? NORMAL_REQUEST : SECURE_REQUEST)); //DWORD dwFlags; //m_pFile->QueryOption(INTERNET_OPTION_SECURITY_FLAGS, dwFlags); //dwFlags |= SECURITY_FLAG_IGNORE_UNKNOWN_CA; set web server option //m_pFile->SetOption(INTERNET_OPTION_SECURITY_FLAGS, dwFlags); //m_pFile->AddRequestHeaders(_T("Accept: *,*/*")); // m_pFile->AddRequestHeaders(_T("Accept-Language: zh-cn")); // m_pFile->AddRequestHeaders(_T("Content-Type: application/x-www-form-urlencoded")); // m_pFile->AddRequestHeaders(_T("Accept-Encoding: gzip, deflate")); m_pFile->AddRequestHeaders(_T("Accept:application/json, text/javascript, */*")); m_pFile->AddRequestHeaders(_T("Accept-Language:zh-CN,zh;q=0.8")); m_pFile->AddRequestHeaders(_T("Content-Type:application/json; charset=UTF-8")); m_pFile->AddRequestHeaders(_T("Accept-Encoding:gzip, deflate"));// 这里必须使用char*数据进行上传m_pFile->SendRequest(NULL, 0, (LPVOID)(CW2A(strPostData)), strPostData == NULL ? 0 : _tcslen(strPostData)); char szChars[BUFFER_SIZE + 1] = {0}; string strRawResponse = ""; UINT nReaded = 0; while ((nReaded = m_pFile->Read((void*)szChars, BUFFER_SIZE)) > 0) { szChars[nReaded] = '\0'; strRawResponse += szChars; memset(szChars, 0, BUFFER_SIZE + 1); } int unicodeLen = MultiByteToWideChar(CP_UTF8, 0, strRawResponse.c_str(), -1, NULL, 0); WCHAR *pUnicode = new WCHAR[unicodeLen + 1]; memset(pUnicode,0,(unicodeLen+1)*sizeof(wchar_t)); MultiByteToWideChar(CP_UTF8,0,strRawResponse.c_str(),-1, pUnicode,unicodeLen); CString cs(pUnicode); delete []pUnicode; pUnicode = NULL; strResponse = CW2A(cs.GetBuffer()); Clear(); } catch (CInternetException* e) { Clear(); DWORD dwErrorCode = e->m_dwError; e->Delete(); DWORD dwError = GetLastError(); //PRINT_LOG("dwError = %d", dwError, 0); if (ERROR_INTERNET_TIMEOUT == dwErrorCode) { return OUTTIME; } else { return FAILURE; } } return SUCCESS;
} int CHttpClient::HttpGet(LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse)
{ return ExecuteRequest(_T("GET"), strUrl, strPostData, strResponse);
} int CHttpClient::HttpPost(LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse)
{ return ExecuteRequest(_T("POST"), strUrl, strPostData, strResponse);
}
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