/**
* 返回工厂实例，单例模式
*/
public static function factory($driver = null)
{
//只实例化一个对象
if (is_null(self::$cacheFactory)) {
self::$cacheFactory = new cacheFactory();
}
if (is_null($driver)) {
$driver = C("CACHE_DEFAULT_TYPE");
}
if (isset(self::$cacheFactory->driver_list[$driver])) {
return self::$cacheFactory->driver_list[$driver];
}
self::$cacheFactory->getDriver($driver);
return self::$cacheFactory->driver_list[$driver];
}
/**
* 删除全部缓存数据
*/
function cache_delAll()
{
$cacheObj = cacheFactory::factory();
return $cacheObj->delAll();
}
