var mytxt:TextField = new TextField(); //建立文字框
mytxt.border = true;
mytxt.text = "HelloWorld";
mytxt.x = 150;
mytxt.y = 20;
mytxt.visible = false;
addChild(mytxt);

function createRect(x1,y1,w1,h1,borderSize,borderColor,bgColor){
 var myButton:Sprite = new Sprite(); //建立按鈕
 myButton.buttonMode = true;
 addChild(myButton);
 var mc:Shape = new Shape(); //建立形狀
 mc.graphics.lineStyle(borderSize, borderColor);
 mc.graphics.beginFill(bgColor);
 mc.graphics.drawRect(x1, y1, w1, h1);
 mc.graphics.endFill();
 myButton.addChild(mc); //指定為按鈕
 myButton.addEventListener(MouseEvent.CLICK, clickBtn); //建立監聽器
}
createRect(150,150,100,40,2,0x000000,0xFFCC00);

function clickBtn(myMouseEvent:Event):void{
 if (mytxt.visible){
  mytxt.visible = false;
 }else{
  mytxt.visible = true;
 }
}