<?php /** * 防止快速刷新 * */ session_start(); header("Content-type:text/html;charset=utf-8"); error_reporting(E_ALL^E_NOTICE); // 参数: N秒内刷新M次,就禁止访问! 并且关小黑屋X秒! $seconds = 3; //时间段[秒] $refresh = 20; //刷新次数 $disdeny = 10; // 放开限制的时间: 30秒后 $sid = session_id(); if( !$_SESSION['denyvisitor'] ){ $_SESSION['denyvisitor']=array(); } if( in_array($sid,$_SESSION['denyvisitor']) && ( time()-$_SESSION['denytimestamp'][$sid]<$disdeny ) ){ $alsotime = $disdeny - ( time()-$_SESSION['denytimestamp'][$sid] ); exit( "您被关到小黑屋了! <span style='color:#f00;font-size:22px;'>{$alsotime}</span> 秒后可获*!" ); } empty($_SERVER['HTTP_VIA']) or exit('Access Denied'); //代理IP直接退出 //设置监控变量 $cur_time = time(); if(isset($_SESSION['last_time'])){ $_SESSION['refresh_times'] += 1; }else{ $_SESSION['refresh_times'] = 1; $_SESSION['last_time'] = $cur_time; } //处理监控结果 if($cur_time - $_SESSION['last_time'] < $seconds){ if($_SESSION['refresh_times'] >= $refresh){ if(!in_array($$sid,$_SESSION['denyvisitor'])){ $_SESSION['denyvisitor'][] = $sid; $_SESSION['denytimestamp'][$sid] = time(); } } }else{ $_SESSION['refresh_times'] = 0; $_SESSION['last_time'] = $cur_time; }