PHp + socket编程练习——博客园回复

因为也是学习的路上，先画出思路，代码和看别人的学习的，最后是根据的思路完成的，可能比较简单，后期在去完善和更改

<?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);

	}

}

 上面是简单的类

<?php



require("./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);

 发送成功的截图

在写的过程中遇到的几个问题，根据请求的url 不一样，请求头的拼接也需要改变，这里请求的url是 http://www.cnblogs.com/mvc/PostComment/Add.aspx  静态的连接，所有path 直接拿到后面的，如果是动态的就需要修改了，所以本方法只适合静态的连接，动态的需要修改请求头

不是所有的网站都可以模拟，虽然没有验证码，我在VeryCd 网站，怎么模拟都没有成功，最后只好放弃了

我是菜鸟，请不要抨击，待续。。。。