You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.5 KiB
PHTML
34 lines
1.5 KiB
PHTML
2 years ago
|
<?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>
|
||
|
|
// +----------------------------------------------------------------------
|
||
|
|
namespace Behavior;
|
||
|
|
/**
|
||
|
|
* 浏览器防刷新检测
|
||
|
|
*/
|
||
|
|
class BrowserCheckBehavior {
|
||
|
|
public function run(&$params) {
|
||
|
|
if($_SERVER['REQUEST_METHOD'] == 'GET') {
|
||
|
|
// 启用页面防刷新机制
|
||
|
|
$guid = md5($_SERVER['PHP_SELF']);
|
||
|
|
// 浏览器防刷新的时间间隔（秒） 默认为10
|
||
|
|
$refleshTime = C('LIMIT_REFLESH_TIMES',null,10);
|
||
|
|
// 检查页面刷新间隔
|
||
|
|
if(cookie('_last_visit_time_'.$guid) && cookie('_last_visit_time_'.$guid)>time()-$refleshTime) {
|
||
|
|
// 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');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|