同事去某公司面试,有道题关于同一ip一小时限5次,redis实现
$ip="127.0.0.1"; $api = "/get_user_info.php"; $allow_num = 5; $allow_time = 3600; function check_allow($allow_num,$allow_time,$ip,$api="") { $redis = new Redis(); $redis->connect('127.0.0.1', 6379); $api_key = md5($api.$ip); $redis->lpush($api_key,time()); if($redis->llen($api_key)>$allow_num) { $old_time = $redis->rpop($api_key); if(time()-$old_time>$allow_time) { return true; } return false; } return true; } var_dump(check_allow($allow_num,$allow_time,$ip,$api));
转载于:https://www.cnblogs.com/samxiong/p/10923007.html