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