use c++ http post file

/*-------------------------------------------------------------------------------------------------------------------

函数功能：发送HTTP头

参 数：sockfd 服务器句柄；

head HTTP头

返回值： 成功返回0，失败返回错误代码

--------------------------------------------------------------------------------------------------------------------*/

int SendHttpHead(int sockfd, HTTPHEAD head)

{

char data[100];

char dataEnc[100];

char httphead[500] = "POST ";

strcat(httphead, head.servicename);

strcat(httphead, " HTTP/1.0\n");

strcat(httphead, "Connection: keep-alive\n");

strcat(httphead, "Content-Type: text/html; charset=\"gb2312\"\n");

strcat(httphead, "Content-Length: ");

strcat(httphead, head.ContentLength);

strcat(httphead, "\n");

strcat(httphead, "Host: ");

strcat(httphead, head.HostIP);

strcat(httphead, ":");

strcat(httphead, head.HostPort);

strcat(httphead, "\n");

strcat(httphead, "Accept: text/html, */*\n");

strcat(httphead, "User-Agent: Mozilla/3.0 (compatible; Indy Library)\n");

strcat(httphead, "Authorization: Basic ");

strcpy(data, head.TaxPayerNO);

strcat(data, ":");

strcat(data, "888888\n");

Base64_Enc(dataEnc, data, strlen(data));

strcat(httphead, dataEnc);

strcat(httphead, "proxy-Authorization: Basic Og==\n");

if ( send(sockfd, httphead, strlen(httphead) ,0) == -1 )

{

return -1;

}

return 0;

}