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$liveTime = 60;
$maxNum = 10;
if($_COOKIE["num"] > $maxNum) echo("<script>alert('您的访问过于频繁,请稍后访问!')</script>");
setcookie("user","1",time()+$liveTime); $num = $_COOKIE['num']; $num = empty($num) ? 1 : ($_COOKIE['num'] + 1); setcookie("num", $num,time()+$liveTime);
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代码片段来自:http://www.wangmumu.net/
end