求一个简单程序，用C编写程序自动填写网页表单并提交构建HTTP数据包的方式

aerfaxing 2014-02-24 03:07:03

网络基础不好，但这个是必须完成的任务，要用程序访问sensor.wetoband.com，然后填写里面那张表并提交，目前自会填写表，不会提交，求大神们指导以下是我写的程序

#include "stdio.h"

#include "stdlib.h"

#include "winsock2.h"

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

int main(int argc, char* argv[])

{

  

  int         len;

  SOCKET      hsocket;

  SOCKADDR_IN saServer;

  WSADATA     wsadata;

  int         nRet;

  char        Dest[3000]; 



 LPHOSTENT lphostent;

 char *host_name="sensor.wetoband.com";



  memset(Dest,0,3000);



 



         char*   reqHead="GET http://sensor.wetoband.com HTTP/1.1\r\n"   

		  

		     	 "Host: sensor.wetoband.com\r\n\r\n";

	

                 "sensorID=1111&sensorInfo=111111&CreateDate=19910930";

				







   // 初始化套接字 

    if(WSAStartup(MAKEWORD(2,2),&wsadata))

        printf("初始化SOCKET出错！");

    lphostent=gethostbyname(host_name);     

    if(lphostent==NULL)

   	{

        printf("lphostent为空！");  

   	  return 1;

    }

    hsocket   =   socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);     

    saServer.sin_family = AF_INET;     

    saServer.sin_port = htons(80);     

    saServer.sin_addr =*((LPIN_ADDR)*lphostent->h_addr_list);  

	//saServer.sin_addr.S_un.S_addr=inet_addr("74.125.128.199");



   // 利用SOCKET连接  

    nRet = connect(hsocket,(LPSOCKADDR)&saServer,sizeof(SOCKADDR_IN));     

    if(nRet == SOCKET_ERROR)     

    {

        printf("建立连接时出错！");     

        closesocket(hsocket);

        return 0;

    }

    // 利用SOCKET发送  



    nRet = send(hsocket,reqHead,strlen(reqHead),0);  

    if(nRet==SOCKET_ERROR)  

    {  

        printf("发送数据包时出错！");  

        closesocket(hsocket);  

    }      

    nRet=1;     

    while(nRet>0)     

    {  

        // 接收返回数据包  

        nRet=recv(hsocket,(LPSTR)Dest,sizeof(Dest),0);     

        if(nRet>0)

            Dest[nRet]=0;

        else     

            Dest[0]=0;  

        // 显示返回数据包的大小、内容 

        printf("\nReceived   bytes:%d\n",nRet);     

        printf("Result:\n%s",Dest);     

    }

}