ActionScript 3 AS3强制单身人士

Posted 2021-05-23

package mypackage
{
	public class SingletonExample
	{
		public function SingletonExample(enforcer:SingletonEnforcer)
		{
		}
		
		private static var _instance : SingletonExample;
		
		public static function getInstance():SingletonExample
		{
			if (_instance == null)
				_instance = new SingletonExample(new SingletonEnforcer());
			
			return _instance;
		}
	}
}
class SingletonEnforcer {}