用PHP发送POST请求

用PHP发送POST请求
<?php
      

    |**  

     * 发送post请求  

     * @param string $url 请求地址  

     * @param array $post_data post键值对数据  

     * @return string  

     *|

    function send_post($url, $post_data) {   

      

      $postdata = http_build_query($post_data);   

      $options = array(   

        'http' => array(   

          'method' => 'POST',   

          'header' => 'Content-type:application/x-www-form-urlencoded',   

          'content' => $postdata,   

          'timeout' => 15 * 60 // 超时时间（单位:s）   

        )   

      );   

      $context = stream_context_create($options);   

      $result = file_get_contents($url, false, $context);   

      

      return $result;   

    }   

      

    //使用方法   

    $post_data = array(   

      'username' => 'stclair2201',   

      'password' => 'handan'  

    );   

    send_post('http://www.qianyunlai.com', $post_data);   

      

      
?>
      

      

    <?php   

    |**  

     * Socket版本  

     * 使用方法：  

     * $post_string = "app=socket&version=beta";  

     * request_by_socket('chajia8.com', '/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");   

      fwrite($socket, "User-Agent: Socket Example");   

      fwrite($socket, "HOST: $remote_server");   

      fwrite($socket, "Content-type: application/x-www-form-urlencoded");   

      fwrite($socket, "Content-length: " . （strlen($post_string) + 8） . "");   

      fwrite($socket, "Accept:*/*");   

      fwrite($socket, "");   

      fwrite($socket, "mypost=$post_string");   

      fwrite($socket, "");   

      $header = "";   

      while ($str = trim(fgets($socket, 4096))) {   

        $header .= $str;   

      }   

      

      $data = "";   

      while (!feof($socket)) {   

        $data .= fgets($socket, 4096);   

      }   

      

      return $data;   

    }   

    ?>   

      

    <?php   

    |**   

     * Curl版本   

     * 使用方法：   

     * $post_string = "app=request&version=beta";   

     * request_by_curl('http://www.qianyunlai.com/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, 'mypost=' . $post_string);   

      curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);   

      curl_setopt($ch, CURLOPT_USERAGENT, "qianyunlai.com's CURL Example beta");   

      $data = curl_exec($ch);   

      curl_close($ch);   

      

      return $data;   

    }   

    ?>