Windows MFC HTTP 函数流程
1 //建立连接
2 pInternetSession = new CInternetSession(AfxGetAppName());
3
4
5
6 //根据HttpUr解析
7 CString strServer;
8 CString strObject;
9 DWORD dwServiceType;
10 INTERNET_PORT nPort;
11 AfxParseURL(m_strHttpUrl, dwServiceType, strServer, strObject, nPort);
12
13
14
15 //创建CHttpConnection对象
16 pHttpConnection = pInternetSession->GetHttpConnection(strServer, nPort);
17
18
19
20 //打开一个HTTP请求
21 strTempObject = strObject + "?ccvid=%s&format=%s&time=%I64u"
22 pHttpFile = pHttpConnection->OpenRequest(CHttpConnection::HTTP_VERB_POST/*HTTP_VERB_GET*/, strTempObject/*strObject*/);
23
24
25
26 //添加发往HTTP服务器的请求头
27 "Content-Type: application/x-www-form-urlencoded; charset=utf-8"
28 pHttpFile->AddRequestHeaders(XXX);
29
30
31
32 //向HTTP服务器发送请求
33 pHttpFile->SendRequest(NULL, 0, strReq.GetBuffer(), strReq.GetLength());
34
35
36
37 //读取HTTP服务器的响应
38 while ((nReaded = pHttpFile->Read((void*)szChars, 1024)) > 0)
39 {
40 }
41
42
43
44 //关闭CHttpFile、CHttpConnection、CInternetSession并释放其资源
45 if (NULL != pHttpFile)
46 {
47 pHttpFile->Close();
48 delete pHttpFile;
49 pHttpFile = NULL;
50 }
51 if (NULL != pHttpConnection)
52 {
53 pHttpConnection->Close();
54 delete pHttpConnection;
55 pHttpConnection = NULL;
56 }
57 if (NULL != pInternetSession)
58 {
59 pInternetSession->Close();
60 delete pInternetSession;
61 pInternetSession = NULL;
62 }
