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Current Path : /www/wwwroot/eblliwsm.com/c7bd1a80/Extend/Behavior/

Current File : /www/wwwroot/eblliwsm.com/c7bd1a80/Extend/Behavior/BrowserCheckBehavior.class.php

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

defined('THINK_PATH') or exit();
/**
 * 浏览器防刷新检测
 * @category   Extend
 * @package  Extend
 * @subpackage  Behavior
 * @author   liu21st <liu21st@gmail.com>
 */
class BrowserCheckBehavior extends Behavior {
    protected $options   =  array(
            // 浏览器防刷新的时间间隔（秒）
            'LIMIT_REFLESH_TIMES'   =>  10,
        );
    
    public function run(&$params) {
        if($_SERVER['REQUEST_METHOD'] == 'GET') {
            //	启用页面防刷新机制
            $guid	=	md5($_SERVER['PHP_SELF']);
            // 检查页面刷新间隔
            if(cookie('_last_visit_time_'.$guid) && cookie('_last_visit_time_'.$guid)>time()-C('LIMIT_REFLESH_TIMES')) {
                // 页面刷新读取浏览器缓存
                header('HTTP/1.1 304 Not Modified');
                exit;
            }else{
                // 缓存当前地址访问时间
                cookie('_last_visit_time_'.$guid, $_SERVER['REQUEST_TIME']);
                //header('Last-Modified:'.(date('D,d M Y H:i:s',$_SERVER['REQUEST_TIME']-C('LIMIT_REFLESH_TIMES'))).' GMT');
            }
        }
    }
}

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