PHP博客,PHP编程

 Flex中单例模式,常见的model层实例:
  package models
{
    import flash.events.EventDispatcher;
    
    import mx.collections.ArrayCollection;
    
    import vo.articlesVO;
    import vo.linksVO;
    [Bindable]
    public class ModelLocator extends EventDispatcher
    {
        public static var _instance:ModelLocator;
        public static function getInstance():ModelLocator{
            if(_instance == null){
                _instance = new ModelLocator();
            }
            return _instance;
        }
        public var total:int;
        public var isLogin:Boolean = false;
        public var articles:ArrayCollection;
        public var selectedArticle:articlesVO;
        public var categories:ArrayCollection;
        public var links:ArrayCollection;
        public var selectedLink:linksVO;
    }
}
类中自己完成了自身的实例。。
<mx:Script>
        <![CDATA[
            import models.ModelLocator;
            internal function initApp():void{
                var instance:ModelLocator = ModelLocator.getInstance();
                trace(instance.isLogin);//获得isLogin
            }
        ]]>
    </mx:Script>