VC实现http发送get和post请求
get请求
首先通过前面介绍的抓包工具获取请求的详细内容，然后再通过VC拼接Header，函数如下：
bool CXXX::http_get_eng_mode()
{
//<?xml version=\"1.0\" encoding=\"US-ASCII\"?>
<RGW><param><method>call</method><session>000</session><obj_path>cm</obj_path><obj_method>get_wan_configs</obj_me
thod></param></RGW>
CString strURL=_T("http://")+loginfo.strIPAddress+_T("/xml_action.cgi?
method=get&module=duster&file=wan");
bool bResult = false;
DWORD dwType = 0;
CString strServer;
CString strObject;
INTERNET_PORT wPort = 0;
DWORD dwFileLength = 0;
bResult = AfxParseURL(strURL, dwType, strServer, strObject, wPort);
if(!bResult)
{
return false;
}
int iCount=0;
bool bRet=true;
while (bRet)
{
if (iCount>2)
{
bRet=false;
}
try
{
CInternetSession Session ;
CHttpConnection *pHttpConnect = Session.GetHttpConnection(strServer, wPort) ;
if(pHttpConnect)
{
CHttpFile* pFile = pHttpConnect->OpenRequest( CHttpConnection::HTTP_VERB_GET,
_T("/xml_action.cgi?method=get&module=duster&file=wan")); //
if ( pFile )
{
CString strAuthHeader=getAuthHeader
(loginfo.strAdmin,loginfo.strPassword,"GET");
pFile->AddRequestHeaders(strAuthHeader);
pFile->AddRequestHeaders("Expires: -1");
pFile->AddRequestHeaders("Accept: */*");
pFile->AddRequestHeaders("Cache-Control: no-store, no-cache, must-
revalidate");
pFile->AddRequestHeaders("Pragma: no-cache");
pFile->AddRequestHeaders("X-Requested-With: XMLHttpRequest");
CString strTemp=_T("");strTemp=_T("Referer:
http://")+loginfo.strIPAddress+_T("/index_pc.html");
pFile->AddRequestHeaders(strTemp);
pFile->AddRequestHeaders("Accept-Language: zh-CN");
pFile->AddRequestHeaders("Accept-Encoding: gzip, deflate");
pFile->AddRequestHeaders("User-Agent: Mozilla/5.0 (Windows NT 6.1;
Trident/7.0; rv:11.0) like Gecko");
CString strHost=_T("Host: ")+loginfo.strIPAddress;
pFile->AddRequestHeaders(strHost) ;
pFile->AddRequestHeaders("Connection: Keep-Alive");
pFile->AddRequestHeaders("Cookie: locale=en; platform=mifi") ;
if (!pFile->SendRequest())
{
pFile->Close();
pHttpConnect->Close();
return false;
}
DWORD dwStateCode = 0;
pFile->QueryInfoStatusCode(dwStateCode);
if(dwStateCode == HTTP_STATUS_OK)
{
CString strInfo1;
DWORD dw1=0;
pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF ,strInfo1 ,&dw1) ;
CString strInfo2;
DWORD dw2=0;
pFile->QueryInfo(HTTP_QUERY_CONTENT_BASE ,strInfo2 ,&dw2);
char content_return[1024*10];memset(content_return,0,1024*10);
pFile->Read(content_return, SERVER_CONTENT_LEN);
//解析xml，查询工程模式
CString str=getEngMode_1802(_bstr_t(content_return));
if (!str.IsEmpty())
{
if (!IsEngModeOpen(0,str))
{
//如果没有开启的话，需要先打开
http_set_eng_mode_1802(true);
}
}
else
{
bResult=false;
}
}
else
{
bResult=false;
}
pFile->Close();
delete pFile ;
bRet=false;
}
pHttpConnect->Close() ;
delete pHttpConnect ;
}
}
catch( CInternetException *e )
{
e->Delete();
}
}
return bResult;
}
post请求
bool CXXX::http_set_eng_mode(bool bEnable)
{
CString requestData=_T("");
if (bEnable)
{
requestData = "<?xml version=\"1.0\" encoding=\"US-ASCII\"?>
<RGW><param><method>call</method><session>000</session><obj_path>cm</obj_path><obj_method>set_eng_mode</obj_metho
d></param><wan><mode>1</mode></wan></RGW>";
}
else
{
requestData = "<?xml version=\"1.0\" encoding=\"US-ASCII\"?>
<RGW><param><method>call</method><session>000</session><obj_path>cm</obj_path><obj_method>set_eng_mode</obj_metho
d></param><wan><mode>0</mode></wan></RGW>";
}
CString strURL=_T("http://")+loginfo.strIPAddress+_T("/xml_action.cgi?method=set");
bool bResult = false;
DWORD dwType = 0;
CString strServer;
CString strObject;
INTERNET_PORT wPort = 0;
DWORD dwFileLength = 0;
bResult = AfxParseURL(strURL, dwType, strServer, strObject, wPort);
if(!bResult)
{
return false;
}
int iCount=0;
bool bRet=true;
while (bRet)
{
if (iCount>2)
{
bRet=false;
}
try
{
CInternetSession Session ;
CHttpConnection *pHttpConnect = Session.GetHttpConnection(strServer, wPort) ;
if(pHttpConnect)
{
CHttpFile* pFile = pHttpConnect->OpenRequest( CHttpConnection::HTTP_VERB_POST,
_T("/xml_action.cgi?method=set"),
NULL,
1,
NULL,
NULL,
INTERNET_FLAG_NO_COOKIES); //
if ( pFile )
{
//打开工程模式
pFile->AddRequestHeaders("Accept: application/xml, text/xml, */*;
q=0.01");
pFile->AddRequestHeaders("Content-Type: application/x-www-form-
urlencoded; charset=UTF-8");
CString strAuthHeader=getAuthHeader
(loginfo.strAdmin,loginfo.strPassword,"POST");
pFile->AddRequestHeaders(strAuthHeader);
pFile->AddRequestHeaders("X-Requested-With: XMLHttpRequest");
CString strTemp=_T("");strTemp=_T("Referer:
http://")+loginfo.strIPAddress+_T("/index.html");
pFile->AddRequestHeaders(strTemp);
pFile->AddRequestHeaders("Accept-Language: zh-CN");
pFile->AddRequestHeaders("Accept-Encoding: gzip, deflate");
pFile->AddRequestHeaders("User-Agent: Mozilla/5.0 (Windows NT 6.1;
Trident/7.0; rv:11.0) like Gecko");
CString strHost=_T("Host: ")+loginfo.strIPAddress;
pFile->AddRequestHeaders(strHost);
int iLength=requestData.GetLength();
CString strLength=_T("");strLength.Format("Content-Length: %d",iLength);
pFile->AddRequestHeaders(strLength);
pFile->AddRequestHeaders("Connection: Keep-Alive");
pFile->AddRequestHeaders("Pragma: no-cache");
//Cookie: CGISID=8CeJlM1rEpSJSaCag78vaHYqoF9EewhmbnYo9QFF6zqZG
CString strCookie1=_T("Cookie: ")+setcookie;
pFile->AddRequestHeaders(strCookie1);
if(!pFile->SendRequest(NULL,0,(void*)requestData.GetBuffer
(requestData.GetLength()), requestData.GetLength()))
{
pFile->Close();
pHttpConnect->Close();
return false;
}
DWORD dwStateCode = 0;
pFile->QueryInfoStatusCode(dwStateCode);
if(dwStateCode == HTTP_STATUS_OK)
{
CString strInfo1;
DWORD dw1=0;
pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF ,strInfo1 ,&dw1);
char content_return[1024*10];memset(content_return,0,1024*10);
pFile->Read(content_return, SERVER_CONTENT_LEN);
}
pFile->Close();
delete pFile ;
bRet=false;
}
pHttpConnect->Close() ;
delete pHttpConnect ;
}
}
catch( CInternetException *e )
{
e->Delete();
}
}
return bResult;
}
较get请求而言，主要是除了Header外还需要post数据。
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