// CHttpClient 命令目标
#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
#define OUTTIME 2
class CHttpClient : public CObject
{
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 );
//,该函数用来对url进行编码。将非ASCII字符转化成"%XX%XX%XX"格式,isWide和isChangeEqualAndSlash分别用来决定是否将获取到的内容转成宽字符和是否转换'='和'/'转换出的url按照UTF-8编码
static CString CHttpClient :: UrlEncode (CString strUnicode ,LPCTSTR url= NULL ,BOOL isWide =FALSE , BOOL isChangeEqualAndSlash= FALSE );
private :
int ExecuteRequest ( LPCTSTR strMethod , LPCTSTR strUrl , LPCTSTR strPostData, string&strResponse );
void Clear ();
private :
CInternetSession * m_pSession ;
CHttpConnection * m_pConnection ;
CHttpFile *m_pFile ;
};
// HttpClient.cpp : 实现文件
#include "stdafx.h"
#include "HttpClient.h"
#define BUFFER_SIZE 4*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
CString CHttpClient ::UrlEncode ( CString strUnicode ,LPCTSTR url ,BOOL isWide, BOOL isChangeEqualAndSlash )
{
//LPCWSTR unicode = T2CW(strUnicode);
LPCWSTR unicode = strUnicode.AllocSysString();
int len = WideCharToMultiByte ( CP_UTF8 , 0, unicode , - 1, 0 , 0 , 0 , 0 );
if (! len)
return strUnicode ;
char *utf8 = new char [ len + 1 ];
char *utf8temp = utf8;
WideCharToMultiByte ( CP_UTF8 , 0, unicode , - 1, utf8 , len + 1 , 0 , 0 );
utf8 [len ] = 0 ;
CString strTemp , strEncodeData ;
if (url != NULL)
strEncodeData = url;
while ((* utf8) != 0)
{
if ((*utf8 )<= 127&&(* utf8 )>0 &&(* utf8)!= '+' &&(*utf8 )!= ' ' &&(*utf8 )!= '?'
&&(* utf8)!= '%' &&(*utf8 )!= '#'&&(! isChangeEqualAndSlash ||((*utf8 )!= '='&&(* utf8 )!='/' )))
strEncodeData +=( char)(* utf8 );
else {
strTemp . Format( _T ("%%%2x" ), ( BYTE )*utf8 );
strEncodeData += strTemp ;
}
++ utf8;
}
delete [] utf8temp ;
if (isWide ==FALSE )
{
CString stra ( strEncodeData .GetBuffer (0 ));
return ( LPCWSTR )stra . GetBuffer (0 );
} else return strEncodeData ;
}
// CHttpClient 成员函数
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: deflate")); //gzip,
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 );
//AfxMessageBox(cs);
CString stra ( cs. GetBuffer (0 ));
strResponse = stra. GetBuffer (0 ); //(LPCSTR)(LPCWSTR)cs;
stra . ReleaseBuffer ();
delete [] pUnicode ;
pUnicode = NULL ;
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 );
}
请求调用,包括URLENCODE
CString t=serverUrl+"/index/setOrdersForClient";
CHttpClient client;
string res;
CString s="data=哈哈哈哈哈哈";
CString aa=client.UrlEncode(s,NULL,TRUE);
client.HttpPost(t,aa,res);