MFC使用HttpGet和HttpPost方法与服务器通信
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处理过程封装到CHttpClient类中,同时支持http和https
HttpClient.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)")
-
-
- #define SUCCESS 0
-
- #define FAILURE 1
-
- #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
HttpClient.cpp
-
- #include "StdAfx.h"
- #include "HttpClient.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));
-
-
-
-
-
-
-
- m_pFile->AddRequestHeaders("Accept: *,*/*");
- m_pFile->AddRequestHeaders("Accept-Language: zh-cn");
- m_pFile->AddRequestHeaders("Content-Type: application/x-www-form-urlencoded");
- m_pFile->AddRequestHeaders("Accept-Encoding: gzip, deflate");
-
- m_pFile->SendRequest(NULL, 0, (LPVOID)(LPCTSTR)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 = cs;
-
- 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("GET", strUrl, strPostData, strResponse);
- }
-
- int CHttpClient::HttpPost(LPCTSTR strUrl, LPCTSTR strPostData, string &strResponse)
- {
- return ExecuteRequest("POST", strUrl, strPostData, strResponse);
- }