PHP-class-qq_msg_sender.php

class qq_msg_sender {
  private $qq_num;
	private $qq_pw;
	private $sid;

	public function __construct($qq_num,$qq_pw){
		$this->qq_num = $qq_num;
		$this->qq_pw = $qq_pw;
	}

	private function _http_get($url,$header=0){
		$opt = array(
			CURLOPT_URL => $url,
			CURLOPT_HEADER => $header,
			CURLOPT_RETURNTRANSFER => 1,
			CURLOPT_TIMEOUT => 60,
			CURLOPT_USERAGENT=>'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.29 Safari/525.13'
		);
		return $this->_curl_run($opt);
	}
	
	private function _http_post($url,$data,$header=0){
		$opt = array(
			CURLOPT_URL => $url,
			CURLOPT_HEADER => $header,
			CURLOPT_RETURNTRANSFER => 1,
			CURLOPT_TIMEOUT => 60,
			CURLOPT_POSTFIELDS => http_build_query($data),
			CURLOPT_USERAGENT=>'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.29 Safari/525.13'
		);
		return $this->_curl_run($opt);
	}

	private function _curl_run($opt){
		$ch=curl_init();
		curl_setopt_array($ch,$opt);
		$r = curl_exec($ch);
		curl_close($ch);
		return $r;
	}

	private function login(){
		if($this->sid) {
			return $this->sid;
		}
		$data = $this->_http_get('http://pt.3g.qq.com/');
		$action = preg_match("/action=\"(.+)?\"/", $data, $matches);
		$action = $matches[1];
		$params = array();
		$params["login_url"] = 'http://pt.3g.qq.com/s?aid=nLogin';
		$params["sidtype"] = 1;
		$params["qq"] = $this->qq_num;
		$params["pwd"] = $this->qq_pw;
		$params["loginType"] =1;
		$data = $this->_http_post($action, $params,1);
		$action = preg_match("/sid=(.+?)&/", $data, $matches);
		$sid = $matches[1];
		if($sid){
			$this->sid = $sid;
			return $sid;
		} else {
			return false;
		}
	}

	/*
	** send the meg to $to_num (by $this->qq_num and $this->qq_pw)
	*/
	public function send_msg($to_num,$msg){
		$this->login();
		$sid = $this->sid;
		$params = array();
		$params["msg"] = $msg;
		$params["u"] = $to_num;
		$params["saveURL"] = 0;
		$params["aid"] = "发送";
		$url = "http://q16.3g.qq.com/g/s?sid=" . $sid;
		$data = $this->_http_post($url, $params);
		if(preg_match('/消息发送成功/',$data)) $res = true;
		else $res = false;
		return $res;
	}

	/*
	** get the talk list between $this->qq_num and $from_num.
	** data format : array(
	**						array(
	**							'title'=>'',
	**							'msg'=>''
	**						)
	**					)
	*/
	public function get_msg($from_num) {
		$this->login();
		$sid = $this->sid;
		$url = "http://q16.3g.qq.com/g/s?sid=" . $sid . "&u=" . $from_num . "&saveURL=0&aid=nqqChat";
		$data = $this->_http_get($url);
		preg_match_all('/<div class=\"main-module bm-gray\">\s+<p class=\"(?:ft-s-gray|ft-s ft-cl2)\">(.+?)<\/p>\s+<p>(.+?)<\/p><\/div>/s',str_replace("\r\n","",$data),$match_arr);
		$messages = null;
		if($match_arr[1]) foreach($match_arr[1] as $k=>$v){
			$tmp['title']=$v;
			$tmp['msg']=$match_arr[2][$k];
			$messages[]=$tmp;
		}
		return $messages;
	}

}

user guide:

include('./qq_msg_sender.class.php');
$qq_msg_sender = new qq_msg_sender($qq_num,$qq_pw);
// send a message to $to_qq_num
$qq_msg_sender->send_msg($to_qq_num,$msg);
// get the messages
$message_array = $qq_msg_sender->get_msg($from_qq_num);