HTTP协议的简单通信 vc6。0下已测试

// http_client.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include

#include "winsock2.h"

 

#pragma comment(lib, "ws2_32.lib")

 

int main(void)

{

       SOCKET      sSocket      = INVALID_SOCKET;

       SOCKADDR_IN stSvrAddrIn = {0}; /* 服务器端地址 */

       char        sndBuf[1024] = {0};

       char        rcvBuf[2048] = {0};

       char       *pRcv         = rcvBuf;

       int         num          = 0;

       int         nRet         = SOCKET_ERROR;

 

    WSADATA     wsaData;

 

       /* HTTP 消息构造开始，这是程序的关键之处 */

       sprintf(sndBuf, "GET /mboss/HelloWorld HTTP/1.1\n");

/*       strcat(sndBuf, "Host:

       /* HTTP 消息构造结束 */

      

       /* socket DLL初始化 */

    WSAStartup(MAKEWORD(2, 0), &wsaData);

 

       stSvrAddrIn.sin_family      = AF_INET;

    stSvrAddrIn.sin_port        = htons(8080);

       stSvrAddrIn.sin_addr.s_addr = inet_addr("192.168.1.119");

 

       sSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

 

       /* 连接 */

       nRet = connect(sSocket, (SOCKADDR*)&stSvrAddrIn, sizeof(SOCKADDR));

       if (SOCKET_ERROR == nRet)

       {

              printf("connect fail!\n");

              return -1;

       }

      

       /* 发送HTTP请求消息 */

       send(sSocket, (char*)sndBuf, sizeof(sndBuf), 0);

 

       /* 接收HTTP响应消息 */

       while(1)

       {

              num = recv(sSocket, pRcv, 2048, 0);

 

              pRcv += num;

 

           if((0 == num) || (-1 == num))

              {

                     break ;

              }

       }

      

       /* 打印响应消息 */

       printf("%s\n", rcvBuf);

 

       return 0;

}