1、键盘监听--在程序中捕获所有的KeyEvents事件而不管有没有组建被激活:
<fx:Script>
<![CDATA[
import flash.events.KeyboardEvent;
private function keyHandler(event:KeyboardEvent):void{
switch(event.keyCode){
case 8:
trace("Delete pressed");
break;
case 13:
trace("Enter pressed");
break;
case 32:
trace("Space Bar pressed");
break;
}
}
]]>
</fx:Script>
<mx:HBox width="400" height="300" keyDown="keyHandler(event)" backgroundColor="#0000ff" addedToStage = "stage.addEventListener(KeyboardEvent.KEY_DOWN,keyHandler)">
</mx:HBox >
2、按钮监听
--在MXML中用<mx:Button>的click事件属性来监听一个按钮行为
<mx:Button id="btn" label="Show Names" click="showNames(event)" />
--creationComplete事件用来设定按钮点击事件
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
creationComplete="initApp(event);"
>
<mx:Button id="btn" label="Show Names" />
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;
private function initApp(evt:FlexEvent):void{
btn.addEventListener(MouseEvent.CLICK,showNames);
btn.addEventListener(MouseEvent.CLICK,showTitles);
}
private function showNames(evt:MouseEvent):void{
var temp:Array = new Array("George","Tim","Alex","Dean");
trace(temp.toString());
}
private function showTitles(evt:MouseEvent):void{
var temp:Array = new Array("Director","precident","CEO","VicePrecident");
trace(temp.toString());
}
]]>
</fx:Script>
</s:Application>
<fx:Script>
<![CDATA[
import flash.events.KeyboardEvent;
private function keyHandler(event:KeyboardEvent):void{
switch(event.keyCode){
case 8:
trace("Delete pressed");
break;
case 13:
trace("Enter pressed");
break;
case 32:
trace("Space Bar pressed");
break;
}
}
]]>
</fx:Script>
<mx:HBox width="400" height="300" keyDown="keyHandler(event)" backgroundColor="#0000ff" addedToStage = "stage.addEventListener(KeyboardEvent.KEY_DOWN,keyHandler)">
</mx:HBox >
2、按钮监听
--在MXML中用<mx:Button>的click事件属性来监听一个按钮行为
<mx:Button id="btn" label="Show Names" click="showNames(event)" />
--creationComplete事件用来设定按钮点击事件
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
creationComplete="initApp(event);"
>
<mx:Button id="btn" label="Show Names" />
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;
private function initApp(evt:FlexEvent):void{
btn.addEventListener(MouseEvent.CLICK,showNames);
btn.addEventListener(MouseEvent.CLICK,showTitles);
}
private function showNames(evt:MouseEvent):void{
var temp:Array = new Array("George","Tim","Alex","Dean");
trace(temp.toString());
}
private function showTitles(evt:MouseEvent):void{
var temp:Array = new Array("Director","precident","CEO","VicePrecident");
trace(temp.toString());
}
]]>
</fx:Script>
</s:Application>