[PHP]代码    

class Request{        public static function post($url, $post_data = '', $timeout = 5){//curl            $ch = curl_init();            curl_setopt ($ch, CURLOPT_URL, $url);            curl_setopt ($ch, CURLOPT_POST, 1);            if($post_data != ''){                curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);            }            curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);             curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);            curl_setopt($ch, CURLOPT_HEADER, false);            $file_contents = curl_exec($ch);            curl_close($ch);            return $file_contents;        }          public static function post2($url, $data){//file_get_content                        $postdata = http_build_query(                $data            );                        $opts = array('http' =>                          array(                              'method'  => 'POST',                              'header'  => 'Content-type: application/x-www-form-urlencoded',                              'content' => $postdata                          )            );                        $context = stream_context_create($opts);              $result = file_get_contents($url, false, $context);            return $result;          }          public static function post3($host,$path,$query,$others=''){//fsocket              $post="POST $path HTTP/1.1\r\nHost: $host\r\n";            $post.="Content-type: application/x-www-form-";            $post.="urlencoded\r\n${others}";            $post.="User-Agent: Mozilla 4.0\r\nContent-length: ";            $post.=strlen($query)."\r\nConnection: close\r\n\r\n$query";            $h=fsockopen($host,80);            fwrite($h,$post);            for($a=0,$r='';!$a;){                    $b=fread($h,8192);                    $r.=$b;                    $a=(($b=='')?1:0);                }            fclose($h);            return $r;        }  }