Question

为什么flex4的控制台打印不出东西?

<?xml version="1.0" encoding="utf-8"?>
<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="application1_creationCompleteHandler(event)" >
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;

protected function application1_creationCompleteHandler(event:FlexEvent):void
{
var a:uint=2.5;
trace(a);
}

]]>
</fx:Script>
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->

</fx:Declarations>
<s:Button x="315" y="104" label="按钮" width="153" height="38"/>
</s:Application>

Answer 1

debug 装了么？
1. 如果是插件版本需要安装
Download plug-in for Windows 32-bit – for all other browsers

2. 如果是独立版本
Download active-x for Windows 32-bit – for Internet Explorer only

Answer 2

用DEBUG模式运行，并且需要安装调试插件(IE和FIREFOX两个版本)

Answer 3

是在调试模式下吗?

追问

是的啊，debug方式启动的...