<?php/** * php+socket 编程 发送HTTP请求 * @version  c.php * 模拟博客园评论 */interface Proto{	// 连接url	public function conn($url);	// 发送get请求	public function get();	// 发送post请求	public function post($body);	//关闭连接    public function close();}class Http implements Proto{	protected $response = ‘‘;	protected $fh=null;	protected $errno = -1;	protected $errorstr = ‘‘;	protected $line = array();	protected $header = array();	protected $body = array();	public $url = array();	public function __construct($url){		$this->conn($url);		$this->setHeader(‘Host: ‘ . $this->url[‘host‘]);	}	// 请求行	protected function setLine($method){		$this->line[0] = $method . ‘ ‘ . $this->url[‘path‘] .  ‘ ‘ . ‘HTTP/1.1‘;	}	// 头信息	public function setHeader($headerline){		$this->header[] = $headerline;	}	// 主体信息	protected function setBody($body){                $this->body[] = http_build_query($body);	}	// 连接url	public function conn($url){		$this->url = parse_url($url);		if(!isset($this->url[‘port‘])){			$this->url[‘port‘] = 80;		}		$this->fh = fsockopen($this->url[‘host‘],$this->url[‘port‘],$this->errno,$this->errorstr,3);	}	// 构建get请求	public function get(){		$this->setLine(‘GET‘);		$this->request();		return $this->response;	}	// 发送post请求	public function post($bo){		$this->setLine(‘POST‘);                // content-type                $this->setHeader("Content-type: application/x-www-form-urlencoded");                $this->setBody($bo);                // content-length                $this->setHeader("Content-length: " .strlen($this->body[0]));                $this->request();                return $this->response;	}	public function request(){		$req = array_merge($this->line,$this->header,array(‘‘),$this->body,array(‘‘));		//print_r($req);die;		$req = implode(PHP_EOL,$req); // PHP_EOL 换行//		echo $req;die;		fwrite($this->fh,$req);		while(!feof($this->fh)){			$this->response .= fread($this->fh,1024);		}		$this->close();	}	public function close(){            fclose($this->fh);	}}

<?phprequire("./c.php"); // 引入上面的类$url = "http://www.cnblogs.com/mvc/PostComment/Add.aspx";$http = new Http($url);$http->setHeader("Cookie:xxxx");$http->setHeader("Referer: http://www.cnblogs.com/geek12/p/4024793.html");$http->setHeader("User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:32.0) Gecko/20100101 Firefox/32.0");$msg =array("blogApp"=>"geek12","body"=>"来自robot","parentCommentId"=>0,"postId"=>4024793);$http->post($msg);