AS3 mvc应用

package View    
{
  import flash.display.Sprite;
  import flash.text.TextField;
  import flash.events.*;
    
  import Model.MyModel;
  import Control.MyControl;
  
  public class MyView extends Sprite
  {
    private var _model:MyModel;
    private var _control:MyControl;
    private var _showBtn:CustomSimpleButton;
    private var _showLabel:TextField ;
    
    public function MyView(model:MyModel,control:MyControl)    
    {
      this._model = model, this._control = control;
      initConfig();//初始化界面
      initListener();//添加侦听器
    }
    
    private function initConfig():void {
      _showBtn = new CustomSimpleButton();
      _showBtn.x = 50, _showBtn.y = 50;
                        this.addChild(_showBtn);
        
        _showLabel = createTextField(0, 20, 200, 20);
        _showLabel.x = 50, _showLabel.y = 30;
        _showLabel.text = "2";
        this.addChild(_showLabel)
    }
    
    private function initListener():void {
      this._showBtn.addEventListener(MouseEvent.CLICK, mouseClick)
      //注册模型器的监听
      _model.addEventListener("changeStr", showText);
    }
    
    //视图器触发 控制器的方法changeNum
    private function mouseClick(e:MouseEvent):void {
      _control.changeNum(uint(_showLabel.text))
    }
    
    public function showText(evt:Event) :void{
                        _showLabel.text = String(_model.ModelNum);
                }

                private function createTextField(x:Number, y:Number, width:Number, height:Number):TextField {
                        var result:TextField = new TextField();
                        result.x = x; result.y = y;
                        result.width = width; result.height = height;
                        addChild(result);
                        return result;
                }    
  }
}    

  import flash.display.DisplayObject;
  import flash.display.Shape;
  import flash.display.SimpleButton;

  class CustomSimpleButton extends SimpleButton {
    private var upColor:uint     = 0xFFCC00;
    private var overColor:uint = 0xCCFF00;
    private var downColor:uint = 0x00CCFF;
    private var size:uint            = 40;

    public function CustomSimpleButton() {
      downState            = new ButtonDisplayState(downColor, size);
      overState            = new ButtonDisplayState(overColor, size);
      upState                = new ButtonDisplayState(upColor, size);
      hitTestState     = new ButtonDisplayState(upColor, size * 2);
      hitTestState.x = -(size / 4);
      hitTestState.y = hitTestState.x;
      useHandCursor    = true;
    }
  }
    
  class ButtonDisplayState extends Shape {
    private var bGColor:uint;
    private var size:uint;

    public function ButtonDisplayState(bgColor:uint, size:uint) {
      this.bgColor = bgColor;
      this.size        = size;
      draw();
    }

    private function draw():void {
      graphics.beginFill(bgColor);
      graphics.drawRect(0, 0, size, size);
      graphics.endFill();
    }
  }


  

        再次是模型器MyModel.as，在这里我们可以根据程序需要定义不同的数据，这里我们的功能只需要一个textField需要的数据，我们定义为_ModelNum。当_ModelNum发生改变时，我们发出一个changeStr的事件，告诉视图器该修改显示元素啦。