true, 'host' => '127.0.0.1', 'port' => 6379, 'passwd' => '', 'prefix' => 'echoip-', 'cache_time' => 3600000 ); function getRedisData($ip) { // 查询Redis,不存在返回NULL $redis = new Redis(); global $redisSetting; $redis->connect($redisSetting['host'], $redisSetting['port']); $redis->auth($redisSetting['passwd']); $redisKey = $redisSetting['prefix'] . $ip; $redisValue = $redis->exists($redisKey) ? $redis->get($redisKey) : NULL; return $redisValue; } function setRedisData($ip, $data) { // 写入信息到Redis $redis = new Redis(); global $redisSetting; $redis->connect($redisSetting['host'], $redisSetting['port']); $redis->auth($redisSetting['passwd']); $redisKey = $redisSetting['prefix'] . $ip; $redis->set($redisKey, $data); // 写入数据库 $redis->pexpire($redisKey, $redisSetting['cache_time']); // 设置过期时间 } ?>