<?php <br/>$mem = new Memcache;<br>$mem->connect("192.168.1.1", 12000);<br>$ip = 'xxx,xxx,xxx,xxx';<br>$key = ip2long($ip);<br>if($mem->get($key)){<br> echo '您已经投过票了,明天再来吧!';<br>}else {<br> $mem->set($key, '1', 0, 360000); //这里的格式你再查一查吧,应该是这样的!<br> echo '感谢您的投票!';<br>}