C++实现Http Post请求
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站长推荐:NSetup一键部署软件
一键式完成美化安装包制作，自动增量升级，数据统计，数字签名。应对各种复杂场景，脚本模块化拆分，常规复杂的脚本代码，图形化设置。无需专业的研发经验，轻松完成项目部署。(www.nsetup.cn)
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参考资料： http://apps.hi.baidu.com/share/detail/39003388 http://blog.csdn.net/yc0188/article/details/4741871 http://bbs.chinaunix.net/thread-2094334-1-1.html //头文件 #include <iostream> #include <string> #include <Winsock2.h> using namespace std; //函数声明 int request(char* hostname, char* api, char* parameters); //方法调用 int _tmain(int argc, TCHAR* argv[], TCHAR* envp[]) { int nRetCode = 0; // initialize MFC and print and error on failure if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0)) { // TODO: change error code to suit your needs _tprintf(_T("Fatal Error: MFC initialization failed\n")); return 1; } request("reg.163.com", "http://reg.163.com/CheckUser.jsp", "test"); return nRetCode; } //函数实现 int request(char* hostname, char* api, char* parameters) { WSADATA WsaData; WSAStartup(0x0101, &WsaData); //初始化socket struct hostent* host_addr = gethostbyname(hostname); if (host_addr == NULL) { cout<<"Unable to locate host"<<endl; return -103; } sockaddr_in sin; sin.sin_family = AF_INET; sin.sin_port = htons((unsigned short)80); sin.sin_addr.s_addr = *((int*)*host_addr->h_addr_list); int sock = socket(AF_INET, SOCK_STREAM, 0); if (sock == -1) { return -100; } //建立连接 if (connect(sock, (const struct sockaddr *)&sin, sizeof(sockaddr_in) ) == -1) { cout<<"connect failed"<<endl; return -101; } //初始化发送信息 char send_str[2048] = {0}; //头信息 strcat(send_str, "POST "); strcat(send_str, api); strcat(send_str, " HTTP/1.1\r\n"); strcat(send_str, "Host: "); strcat(send_str, hostname); strcat(send_str, "\r\n"); strcat(send_str, "Connection: keep-alive\r\n"); char content_header[100]; sprintf(content_header,"Content-Length: %d\r\n", strlen(parameters)); strcat(send_str, content_header); strcat(send_str, "Cache-Control: max-age=0\r\n"); strcat(send_str, "Origin: http://www.hao123.com\r\n"); strcat(send_str, "User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/15.0.849.0 Safari/535.1\r\n"); strcat(send_str, "Content-Type: application/x-www-form-urlencoded\r\n"); strcat(send_str, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"); strcat(send_str, "Referer: http://www.hao123.com/\r\n"); strcat(send_str, "Accept-Encoding: gzip,deflate,sdch\r\n"); strcat(send_str, "Accept-Language: zh-CN,zh;q=0.8\r\n"); //内容信息 strcat(send_str, "\r\n"); strcat(send_str, parameters); if (send(sock, send_str, strlen(send_str),0) == -1) { cout<<"send failed"<<endl; return -101; } //获取返回信息 char recv_str[4096] = {0}; if (recv(sock, recv_str, sizeof(recv_str), 0) == -1) { cout<<"recv failed"<<endl; return -101; } cout<<recv_str<<endl; WSACleanup( ); return 0; } |
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