《Flash ActionScript 3.0 编程》的示例-事件

 1 import fl.controls.Button;
 2 import flash.events.MouseEvent;
 3 import flash.net.URLRequest;
 4 import flash.net.navigateToURL;
 5 import fl.controls.TextInput;
 6 import flash.events.TextEvent;
 7 import fl.controls.Label;
 8 
 9 var myButton:Button;
10 var linkButton:Button;
11 var entryText:TextInput;
12 var outputText:Label;
13 
14 function eventResponse(event:MouseEvent):void
15 {
16     myButton.label="Hello!!!";
17 }
18 myButton.addEventListener(MouseEvent.CLICK, eventResponse);
19 
20 //单击按钮导航到一个 URL
21 function gotoAdobeSite(event:MouseEvent):void
22 {
23     var adobeURL:URLRequest = new URLRequest("http://www.adobe.com/");
24     navigateToURL(adobeURL);
25 }
26 linkButton.addEventListener(MouseEvent.CLICK, gotoAdobeSite);
27 
28 //检测文本字段中的键入操作
29 function updateOutput(event:TextEvent):void
30 {
31     var pressedKey:String = event.text;
32     outputText.text = "You typed: " + pressedKey;
33 }
34 entryText.addEventListener(TextEvent.TEXT_INPUT,updateOutput);