UploadPhoto实例加源码

// SendData.cpp: implementation of the CSendData class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "SendData.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CSendData::CSendData() { m_lpUTF8 = NULL; //UTF8编码缓存指针 m_lpMultiByte = NULL; // m_wpWideChar = NULL; //Widechar编码缓存指针 //服务器默认值 _tcscpy(m_tzServerName,_T("www.lilu.name")); _tcscpy(m_tzObjectName,_T("/posttest.asp")); m_nPort = INTERNET_DEFAULT_HTTP_PORT; m_strBoundary = _T("-------------2389jhrwfjsjd9823"); } CSendData::~CSendData() { //如果原先的数据没有删除 if (m_lpUTF8) { delete [] m_lpUTF8; m_lpUTF8 = NULL; } //如果原先的数据没有删除 if (m_lpMultiByte) { delete [] m_lpMultiByte; m_lpMultiByte = NULL; } //宽字节代码指针 if (m_wpWideChar) { delete []m_wpWideChar; m_wpWideChar = NULL; } } //设置服务器参数 void CSendData::SetServerParam(TCHAR ServerName[], TCHAR ObjectName[], WORD Port) { _tcscpy(m_tzServerName,ServerName); _tcscpy(m_tzObjectName,ObjectName); m_nPort = Port; } //发送数据 //编码参数：1表示GB2312，2表示UTF8 DWORD CSendData::PostDataMethod(LPCTSTR strDataSend, int DataSize, LPTSTR *pRecvData, DWORD &RecvSize, int SendCode, //发送时的编码 int RecvCode //接收返回时的编码 ) { //返回错误代码列表： //100：正常成功 //101：服务器无法连接 //102：提交页面无法打开 //103：数据发送失败 //104：服务器处理失败 //500：异常错误 CInternetSession InternetSession; CHttpConnection *pHttp = NULL; CHttpFile *pFile = NULL; DWORD nRetCode = 100; //返回值 TCHAR tzErrMsg[MAX_PATH] = {0}; // 捕捉异常 string strResponse; //接收的数据 try { pHttp = InternetSession.GetHttpConnection(m_tzServerName,m_nPort); if (pHttp == NULL) { return 101; } pFile = pHttp->OpenRequest(CHttpConnection::HTTP_VERB_POST,m_tzObjectName,NULL); if (pFile == NULL) { return 102; } CString strHeader = _T("Content-Type: application/x-www-form-urlencoded"); ////////////////////////////////////////////////////////////////////////// //发送时采用GB2312 if (SendCode == 1) { #ifdef UNICODE WideToMulti((LPCWSTR)(LPCTSTR)strDataSend,DataSize); #else MultiToMulti((LPCSTR)(LPCTSTR)strDataSend,DataSize); #endif //发送 if (pFile->SendRequest(strHeader,m_lpMultiByte,m_nMultiByteLen) == FALSE) { return 103; } } //发送时选择UTF8 else if (SendCode == 2) { #ifdef UNICODE WideCharToUTF8((LPCWSTR)(LPCTSTR)strDataSend,DataSize); #else MultiByteToUTF8((LPCSTR)(LPCTSTR)strDataSend,DataSize); #endif //发送 if (pFile->SendRequest(strHeader,m_lpUTF8,m_nUTF8Len) == FALSE) { return 103; } } //查询状态 DWORD dwStatusCode = 0; pFile->QueryInfoStatusCode(dwStatusCode); if (dwStatusCode != 200) { return 104; } ////////////////////////////////////////////////////////////////////////// //接收数据 char szRead[1024] = {0}; while((pFile->Read(szRead,1023)) > 0) { strResponse += szRead; } //转换接收的数据 //接收采用GB2312编码 if (RecvCode == 1) { #ifdef UNICODE MultiToWide(strResponse.c_str(),strResponse.length()); *pRecvData = (LPTSTR)m_wpWideChar; RecvSize = m_nWideCharLen; #else MultiToMulti(strResponse.c_str(),strResponse.length()); *pRecvData = (LPTSTR)m_lpMultiByte; RecvSize = m_nMultiByteLen; #endif } //接收采用UTF8编码 else if (RecvCode == 2) { #ifdef UNICODE UTF8ToWideChar(strResponse.c_str(),strResponse.length()); *pRecvData = (LPTSTR)m_wpWideChar; RecvSize = m_nWideCharLen; #else UTF8ToMultiByte(strResponse.c_str(),strResponse.length()); *pRecvData = (LPTSTR)m_lpMultiByte; RecvSize = m_nMultiByteLen; #endif } //返回值 nRetCode = 100; } //捕获异常 catch (CInternetException* e) { e->GetErrorMessage(tzErrMsg,sizeof(tzErrMsg)); e->Delete(); nRetCode = 500; } ////////////////////////////////////////////////////////////////////////// //关闭 pFile->Close(); delete pFile; pHttp->Close(); delete pHttp; InternetSession.Close(); return nRetCode; } //提交图片，自己构造数据包 DWORD CSendData::PostPicDataMethod(TCHAR PicPath[],LPCTSTR pPostName, LPTSTR *pRecvData, DWORD &RecvSize, int SendCode ,int RecvCode) { //99：图片不存在 //100：正常成功 //101：服务器无法连接 //102：提交页面无法打开 //103：数据发送失败 //104：服务器处理失败 //500：异常错误 DWORD dwRetCode = 100; DWORD dwPostSize = 0; //要传送的数据大小 DWORD dwPicSize = 0; //图片大小 DWORD dwPostEndSize = 0; //协议尾部数据长度 CInternetSession InternetSession; CHttpConnection *pHttp = NULL; CHttpFile *pFile = NULL; TCHAR tzErrMsg[MAX_PATH] = {0}; // 捕捉异常 string strResponse; //接收的数据 //获取图片大小 dwPicSize = GetExistPic(PicPath); //构造数据包 MakeHeaderData(); MakePostPicData(pPostName,PicPath); //在原有数据包后面加上图片前缀包 MakeEndData(); //数据包构造完毕 try { pHttp = InternetSession.GetHttpConnection(m_tzServerName,m_nPort); if (pHttp == NULL) { return 101; } pFile = pHttp->OpenRequest(CHttpConnection::HTTP_VERB_POST,m_tzObjectName,NULL); if (pFile == NULL) { return 102; } pFile->AddRequestHeaders(m_strHeaderData); ////////////////////////////////////////////////////////////////////////// //发送时采用GB2312 if (SendCode == 1) { #ifdef UNICODE WideToMulti((LPCWSTR)(LPCTSTR)m_strPostData,m_strPostData.GetLength()); //计算尾部数据长度 dwPostEndSize = WideCharToMultiByte(CP_ACP,0,(LPCWSTR)(LPCTSTR)m_strEndData,m_strEndData.GetLength(),NULL,0,NULL,NULL); #else MultiToMulti((LPCSTR)(LPCTSTR)m_strPostData,m_strPostData.GetLength()); dwPostEndSize = m_strEndData.GetLength(); #endif //由于协议尾部只有英文数据，在unicode、UTF8、ASCII编码下， //英文数据转换后长度不变，因此可直接加上长度。 //获取尾部数据转为UTF8后的长度 dwPostSize = dwPicSize + m_nMultiByteLen + dwPostEndSize; //发送，告知数据总长度 pFile->SendRequestEx(dwPostSize); pFile->Write(m_lpMultiByte,m_nMultiByteLen); } //发送时选择UTF8 else if (SendCode == 2) { #ifdef UNICODE WideCharToUTF8((LPCWSTR)(LPCTSTR)m_strPostData,m_strPostData.GetLength()); dwPostEndSize = WideCharToMultiByte(CP_UTF8,0,(LPCWSTR)(LPCTSTR)m_strEndData,m_strEndData.GetLength(),NULL,0,NULL,NULL); #else //这个麻烦，要转两道，直接用函数转算了。 MultiByteToUTF8((LPCSTR)(LPCTSTR)m_strEndData,m_strEndData.GetLength()); dwPostEndSize = m_nUTF8Len; MultiByteToUTF8((LPCSTR)(LPCTSTR)m_strPostData,m_strPostData.GetLength()); #endif dwPostSize = dwPicSize + m_nUTF8Len + dwPostEndSize; //发送 pFile->SendRequestEx(dwPostSize); pFile->Write(m_lpUTF8,m_nUTF8Len); } ////////////////////////////////////////////////////////////////////////// //发送图片 //缓存大小 int BuffSize = 8 * 1024; if (dwPicSize != 0) { char *pbuff = new char[BuffSize]; CFile cFile; UINT ReadLength = -1; if (pbuff != NULL) { if (cFile.Open(PicPath,CFile::modeRead|CFile::shareDenyWrite,NULL)) { while(ReadLength !=0) { ReadLength = cFile.Read(pbuff,BuffSize); if (ReadLength != 0) { pFile->Write(pbuff,ReadLength); } } cFile.Close(); } //删除堆 delete []pbuff; pbuff = NULL; } } //////////////////////////////////////////////////////////////////////////