问c++中使用wininet的链接器错误

EN

        #include "stdafx.h"
    #include "iostream"
    #include "windows.h"
    #include "wininet.h"
    #include "tchar.h"
    #include "iostream"
    #include "string"
    #include "sstream"

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

    int main(){

            TCHAR hdrs[] = _T("Content-Type: application/x-www-form-urlencoded");
    TCHAR frmdata[] = _T("name=John+Doe&userid=hithere&other=P%26Q");
    LPCTSTR accept[] = {_T("*/*"), NULL};

    HINTERNET hSession = InternetOpen(_T("MyAgent"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
    HINTERNET hConnect = InternetConnect(hSession, _T("http://localhost"), INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1);
    HINTERNET hRequest = HttpOpenRequest(hConnect, _T("POST"), _T("/upload.php"), NULL, NULL, accept, 0, 1);
    HttpSendRequest(hRequest, hdrs, _tcslen(hdrs), frmdata, _tcslen(frmdata));


       return 0;

        }

<?php

    $name = $_POST['name'];
    $userid = $_POST['userid'];
    $other = $_POST['other'];

    $myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
    $txt1 = $name."\n";
    fwrite($myfile, $txt1);
    $txt2 = $userid."\n";
    fwrite($myfile, $txt2);
    $txt3 = $other."\n";
    fwrite($myfile, $txt3);
    fclose($myfile);

   ?>