C++使用http請求,親測可用,VS2008編譯執行通過
阿新 • • 發佈:2018-12-24
int CMyFunctionsDlg::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; } //建立連線 if (connect(sock, (const struct sockaddr *)&sin, sizeof(sockaddr_in) ) == -1) { // cout<<"connect failed"<<endl; return -101; } //初始化傳送資訊 char send_str[2048] = {0}; //頭資訊 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"); // strcat(send_str, "Expect: 100-continue\r\n"); //內容資訊 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; } //獲取返回資訊 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; }
request("www.xxxx.com", "http://www.xxxx.com/client/data.php", "{\"request\":\"userLogin\",\"posts\":[{\"loginName\":\"123456\",\"password\":\"7890\"}]}");