<script>

function toLogin(who)

{

     //以下为按钮点击事件的逻辑。注意这里要重新打开窗口

     //否则后面跳转到QQ登录，授权页面时会直接缩小当前浏览器的窗口，而不是打开新窗口
　　　//"/dlt/index.php?wherego="+who+"&back_url=$url",这里的$url需要使用urlencode，js的话要用escape，encodeUrl函数
　　//嵌套在iframe里时要用window.top.open

    var A=window.open("/dlt/index.php?wherego="+who,"OauthLogin","width=450,height=320,menubar=0,scrollbars=1,resizable=1,status=1,titlebar=0,toolbar=0,location=1");

}

</script>

<li class="dl_tips">

<a href="javascript:void(0);" onclick="toLogin('qq');"><cite><img src="<?=static_path('images/login/qq.png')?>" /></cite><cite>腾讯QQ登录</cite></a>

<a href="javascript:void(0);" onclick="toLogin('wb');"><cite><img src="<?=static_path('images/login/wb.png')?>" /></cite><cite>新浪微博登录</cite></a>

</li>

/dlt---根目录

/dlt/index.php---入口地址

/dlt/callback.php--回调地址

/dlt/lib---自定类，配置义目录

/dlt/lib/dlt_client.php---流程入口

/dlt/lib/db_client.php

/dlt/lib/model.php

/dlt/sdk---第三方sdk目录

/dlt/qq/API---qq的sdk目录，目录详情省略

/dlt/wb/API---weibo的sdk目录，目录详情省略

/dlt/var---日志记录目录

<?php

$wherego = $_GET['wherego'];

if(!empty($wherego) && in_array( $wherego,array('qq','wb'))){

	require 'lib/dlt_client.php';

	$dlt_client = new DLT($wherego);

	$dlt_client->save_referer();

	$dlt_client->go();

}else{

	exit('传入参数错误');

}

<?php
$whereback = $_GET['whereback'];

if(!empty($whereback) && in_array( $whereback,array('qq','wb'))){

	require 'lib/dlt_client.php';

	$dlt_client = new DLT($whereback);

	$dlt_client->callback();

}else{

	exit('回传参数错误');

}

<?php

class DLT {

	public $who;

	public $db;

	public $user_model;

	public $e_logo_prefix = 'http://user.X.com/static/';

	private $_sdk_path;

	private $_dlt_back_url;

	public function __construct($who){

		$this->who = $who;

		$this->_sdk_path = dirname(dirname(__FILE__)) . '/sdk/';

	}

	public function save_referer(){

		if(!empty($_GET['back_url'])){

			setcookie ('dlt_back', $_GET['back_url'], time()+60*5, '/', 'X.com');

		}else if(!empty($_SERVER['HTTP_REFERER'])){

			setcookie ('dlt_back', $_SERVER['HTTP_REFERER'], time()+60*5, '/', 'X.com');

		}else{

			return false;

		}

	}

	public function go(){

		$function_name = 'go_' . $this->who;

		$this->$function_name();

	}

	public function callback(){

		$this->_dlt_back_url = $_COOKIE['dlt_back'];

		if(empty($this->_dlt_back_url)){

			$this->_dlt_back_url = 'http://user.X.com';

		}

		$function_name = 'callback_' . $this->who;

		$this->$function_name();

	}

	public function go_qq(){

		require_once($this->_sdk_path . "qq/API/qqConnectAPI.php");

		$qc = new QC();

		$qc->qq_login();

	}

	public function callback_qq(){

		require_once($this->_sdk_path . "qq/API/qqConnectAPI.php");

		$qc = new QC();

		$access_token = $qc->qq_callback();

		$openid = $qc->get_openid();

		//var_dump($access_token);

		//var_dump($openid);

		if(empty($openid) || empty($access_token)){

			exit('get QQ token error!');

		}

		$qc = new QC($access_token,$openid);

		$arr = $qc->get_user_info();

		//var_dump($arr);exit;

		if(!isset($arr['nickname'])){

			exit('get QQ userinfo error!');

		}

		$user_info['m_o_name'] = $arr["nickname"];

		$user_info['m_dlt_type'] = 'qq';

		$user_info['m_dlt_id'] = $openid;

		$this->do_login($user_info);

	}

	public function go_wb(){

		require_once($this->_sdk_path . "wb/API/wbConnectAPI.php");

		$wbc = new WBC();

		$wbc->wb_login();

	}

	public function callback_wb(){

		require_once($this->_sdk_path . "wb/API/wbConnectAPI.php");

		$wbc = new WBC();

		$access_token = $wbc->get_token();

		$uid = $wbc->get_uid();

		//var_dump($access_token);

		//var_dump($uid);

		if(empty($uid) || empty($access_token)){

			exit('get WB token error!');

		}

		$arr = $wbc->get_user_info();

		//var_dump($arr['name']);exit;

		if(!isset($arr['name'])){

			exit('get WB userinfo error!');

		}

		$user_info['m_o_name'] = $arr["name"];

		$user_info['m_dlt_type'] = 'wb';

		$user_info['m_dlt_id'] = $uid;

		$this->do_login($user_info);

	}

	public function do_login($user_info){

		require 'model.php';

　　　　		$this->model = new Model();
　　　　　　　　　　//没有就插入，有就返回唯一id

		$member_info = $this->model->check_member($user_info);

		if(empty($member_info)){

			exit('db operate error!');

		}
　　　　　　　　　　//回写获取的昵称

		$member_info['m_o_name'] = $user_info['m_o_name'];

		$this->init_session($member_info);

	}

	public function init_session($member_info){

		$data = $this->model->get_all($member_info['m_id']);

		$data['member_id'] = $data['m_id']; //会员id

		$data['member_name'] = $data ['m_o_name'] = $member_info['m_o_name']; //会员名

		$data['member_email'] = $data ['m_email']; //会员注册邮箱

		$data['contact_name'] = $data['mp_name']; //会员名

		$data['erp_source'] = $data ['m_source']; //会员来源地

		$data['member_identity'] = 1; //会员身份

		foreach($data as $key => $value){

			if(!in_array($key,$sessionArr)){

				unset($data[$key]);

			}

		}

		//因为两者的api中都是用了session_start，所以要先销毁掉。

		session_destroy();

		$config["lifetime"]=0;

		$config["path"] = '/';

		$config["domain"] = '.X.com';

		$config["secure"]=false;

		$config["httponly"] =false;

		session_set_cookie_params(

			$config["lifetime"],

			$config["path"],

			$config["domain"],

			$config["secure"],

			$config["httponly"]

		);

		session_name('mphsess_id');

		session_start();

　　		foreach($data as $key => $val){

			$_SESSION[$key] = $val;

		}

		$this->dlt_back();

	}

	//这里的window.opener.location.reload()有兼容性问题，可能还有跨域的问题，我在news站点使用，user站点的窗口不能调用父窗口news的reload方法。
　　　　//window.close()也有浏览器兼容性问题，有的需要添加window.opener=null

	public function dlt_back(){

		//header("Location: {$this->_dlt_back_url}");

		echo <<<EOT

<script language="javascript" type="text/javascript">

window.opener.location='{$this->_dlt_back_url}';

window.close();

</script>

EOT;

exit;

	}

}