php模拟post提交数据

<?php 
// PHP POST数据的三种方法
// php有三种方法可以post数据,分别为Curl、socket、file_get_contents:


/**
 * Socket版本
 * 使用方法：
 * $post_string = "app=socket&version=beta";
 * request_by_socket(‘facebook.cn‘,‘/restServer.php‘,$post_string);
 */
function request_by_socket($remote_server, $remote_path, $post_string, $port = 80, $timeout = 30)
{
    $socket = fsockopen($remote_server, $port, $errno, $errstr, $timeout);
    if (!$socket) die("$errstr($errno)");

    fwrite($socket, "POST $remote_path HTTP/1.0\r\n");
    fwrite($socket, "User-Agent: Socket Example\r\n");
    fwrite($socket, "HOST: $remote_server\r\n");
    fwrite($socket, "Content-type: application/x-www-form-urlencoded\r\n");
    fwrite($socket, "Content-length: " . (strlen($post_string) + 8) . ‘\r\n‘);
    fwrite($socket, "Accept:*/*\r\n");
    fwrite($socket, "\r\n");
    fwrite($socket, "mypost=$post_string\r\n");
    fwrite($socket, "\r\n");
    $header = "";
    while ($str = trim(fgets($socket, 4096))) {
        $header .= $str;
    } 
    $data = "";
    while (!feof($socket)) {
        $data .= fgets($socket, 4096);
    } 
    return $data;
} 



/**
 * Curl版本
 * 使用方法：
 * $post_string = "app=request&version=beta";
 * request_by_curl(‘http://facebook.cn/restServer.php‘,$post_string);
 */
function request_by_curl($remote_server, $post_string)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $remote_server);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)");
    $data = curl_exec($ch);
    curl_close($ch);
    return $data;
} 


/**
 * 其它版本
 * 使用方法：
 * $post_string = "app=request&version=beta";
 * request_by_other(‘http://facebook.cn/restServer.php‘,$post_string);
 */
function request_by_other($remote_server, $post_string)
{
    $context = array(
        ‘http‘ => array(
            ‘method‘ => ‘POST‘,
            ‘header‘ => ‘Content-type: application/x-www-form-urlencoded‘ .
                        ‘\r\n‘.‘User-Agent : Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)‘ .
                        ‘\r\n‘.‘Content-length:‘ . strlen($post_string) + 8,
            ‘content‘ => ‘mypost=‘ . $post_string)
        );
    $stream_context = stream_context_create($context);
    $data = file_get_contents($remote_server, false, $stream_context);
    return $data;
} 

?>

<?php
$query_url = array(‘username‘ =>‘username‘,‘password‘ => ‘password‘);
echo ‘<form action="http://lin.test.com" method="post" name="buttonForm" id="buttonForm" >‘;
foreach($query_url as $key => $val){
echo ‘<input type ="hidden" name="‘.$key.‘" value ="‘.$val.‘">‘;
}
echo ‘</form>‘;
echo ‘<script>document.GetElementById("buttonForm").submit();</script>‘;

<?php

//以程序登陆一个论坛登录为例
function bbslogin($user_login, $password, $host, $port = "80") {
    //需要提交的post数据
    $argv = array(‘cookie‘ => array(‘user_login‘ => $user_login, ‘password‘ => $password, ‘_wp_http_referer‘ => ‘/bbpress/‘, ‘re‘ => ‘‘, ‘remember‘ => true));
    foreach ($argv[‘cookie‘] as $key => $value) {
        $params[] = $key . ‘=‘ . $value;
    }
    $params = implode(‘&‘, $params);
    $header = "POST /bbpress/bb-login.php HTTP/1.1\r\n";
    $header .= "Host:$host:$port\r\n";
    $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
    $header .= "Content-Length: " . strlen($params) . "\r\n";
    $header .= "Connection: Close\r\n\r\n";
    $header .= $params;
    $fp = fsockopen($host, $port);
    fputs($fp, $header);
    while (!feof($fp)) {
        $str = fgets($fp);
        //以下是自己的逻辑代码,这里主要是模拟cookie,可用来同步登陆
        if (!(strpos($str, "Set-Cookie:") === false)) {
            $tmparray = explode(" ", $str);
            $cookiearray = explode("=", $tmparray[1]);
            $cookiepaths = explode("=", $tmparray[6]);
            $cookiename = urldecode($cookiearray[0]);
            $cookievalue = urldecode(substr($cookiearray[1], 0, strlen($cookiearray[1]) - 1));
            $cookietime = time() + 3600 * 24 * 7;
            $cookiepath = urldecode(substr($cookiepaths[1], 0, strlen($cookiepaths[1]) - 1));
            setcookie($cookiename, $cookievalue, $cookietime, $cookiepath);
        }
    }
    fclose($fp);
}
?>