C++实现HttpPost请求.doc

C+实现Http Post请求参考资料：/share/detail/39003388/yc0188/article/details/4741871/thread-2094334-1-1.html/头文件#include #include #include 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 failedn); return 1; request(, /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) coutUnable to locate hosth_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) coutconnect failedendl; return -101; /初始化发送信息 char send_str2048 = 0; /头信息 strcat(send_str, POST ); strcat(send_str, api); strcat(send_str, HTTP/1.1rn); strcat(send_str, Host: ); strcat(send_str, hostname); strcat(send_str, rn); strcat(send_str, Connection: keep-alivern); char content_header100; sprintf(content_header,Content-Length: %drn, strlen(parameters); strcat(send_str, content_header); strcat(send_str, Cache-Control: max-age=0rn); strcat(send_str, Origin: rn); strcat(send_str, User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/15.0.849.0 Safari/535.1rn); strcat(send_str, Content-Type: application/x-www-form-urlencodedrn); strcat(send_str, Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8rn); strcat(send_str, Referer: /rn); strcat(send_str, Accept-Encoding: gzip,deflate,sdchrn); strcat(send_str, Accept-Language: zh-CN,zh;q=0.8rn); /内容信息 strcat(send_str, rn); strcat(send_str, parameters); if (send(sock, send_str, strlen(send_str),0) = -1) coutsend failedendl; return -101; /获取返回信息 char recv_str4096 = 0; if (recv(sock,