public static function create()
{
if (!isset(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
/**
* 获取Redis实例
* @param string $host
* @param string $port
* @param string $auth
* @param string $sign
*/
public static function getInstance($host = 'localhost', $port = '6379', $auth = '', $sign = 'default')
{
if (!self::$instance) {
self::$instance = new Redis();
self::$instance->connect($host, $port);
if ($auth) {
self::$instance->auth($auth);
}
self::$instanceList[$sign] = self::$instance;
} else {
if (isset(self::$instanceList[$sign])) {
self::$instance = self::$instanceList[$sign];
}
}
return self::$instance;
}
