菜单

点击目标对象时菜单出来，点击其他地方时菜单消失，这个问题之前想了好多办法都没解决，后来发现时要在全局有个click事件，在这个全局click事件中进行处理就OK

那么看一下我的程序吧

Xml代码

1. <spanstyle="font-size: large;"><?xmlversion="1.0"encoding="utf-8"?> 
2. <s:Applicationxmlns:fx="http://ns.adobe.com/mxml/2009"  
3.                xmlns:s="library://ns.adobe.com/flex/spark"  
4.                xmlns:mx="library://ns.adobe.com/flex/mx"minWidth="955"minHeight="600" 
5.                creationComplete="init()" 
6.                click="application1_clickHandler(event)"xmlns:components="components.*"> 
7.     <s:layout> 
8.         <s:BasicLayout/> 
9.     </s:layout> 
10.     <fx:Script> 
11.         <![CDATA[
12.             import mx.collections.ArrayList;
13.             var list:mx.controls.List=new mx.controls.List();
14.             protected function init():void{
15.                 var arr:ArrayList=new ArrayList();
16.                 arr.addItem("百度");
17.                 arr.addItem("有道");
18.                 arr.addItem("必应");
19.                
20.                 list.dataProvider=arr;
21.                 list.x=408;
22.                 list.y=46;
23.                 list.width=40;
24.                 list.height=90;
25.                 list.id="cityList";
26.                
27.                 this.addElement(list);
28.                 list.setVisible(false);
29.                
30.                
31.                 list.addEventListener(MouseEvent.CLICK,listClick);
32.                
33.             }
34.            
35.             protected function listClick(event:MouseEvent):void{
36.                 mylabel.text=list.selectedItem.valueOf();
37.                 list.visible=false;
38.                 var u:URLRequest;
39.                 if(mylabel.text=="百度"){
40.                     u=new URLRequest("http://www.baidu.com");
41.                 }else if(mylabel.text=="有道"){
42.                     u=new URLRequest("http://www.youdao.com");
43.                 }else if(mylabel.text=="必应"){
44.                     u=new URLRequest("http://www.bing.com");
45.                 }
46.                 navigateToURL(u);//跳到新窗口
47.             }
48.            
49.            
50.            
51.             //注意这里，就是在这里进行事件判断处理
52.             protected function application1_clickHandler(event:MouseEvent):void
53.             {
54.                 if(event.target.id=="linkBtnImg"){
55.                     list.visible=true;
56.                 }else{
57.                     list.visible=false;
58.                 }
59.             }
60.            
61.            
62.    
63.         ]]> 
64.     </fx:Script> 
65.      
66.      
67.     <s:Labelid="mylabel"  x="285"y="183"/> 
68.     <mx:LinkButtonid="linkBtnImg"  x="285"y="40"icon="@Embed(‘img/11111.png‘)"width="116"/> 
69.  
70.  
71. </s:Application> 
72. </span> 

<?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="init()"
			   click="application1_clickHandler(event)" xmlns:components="components.*">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>
	<fx:Script>
		<![CDATA[
			import mx.collections.ArrayList;
			var list:mx.controls.List=new mx.controls.List();
			protected function init():void{
				var arr:ArrayList=new ArrayList();
				arr.addItem("百度");
				arr.addItem("有道");
				arr.addItem("必应");
				
				list.dataProvider=arr;
				list.x=408;
				list.y=46;
				list.width=40;
				list.height=90;
				list.id="cityList";
				
				this.addElement(list);
				list.setVisible(false);
				
				
				list.addEventListener(MouseEvent.CLICK,listClick);
				
			}
			
			protected function listClick(event:MouseEvent):void{
				mylabel.text=list.selectedItem.valueOf();
				list.visible=false;
				var u:URLRequest;
				if(mylabel.text=="百度"){
					u=new URLRequest("http://www.baidu.com");
				}else if(mylabel.text=="有道"){
					u=new URLRequest("http://www.youdao.com");
				}else if(mylabel.text=="必应"){
					u=new URLRequest("http://www.bing.com");
				}
				navigateToURL(u);//跳到新窗口
			}
			
			
			
			//注意这里，就是在这里进行事件判断处理
			protected function application1_clickHandler(event:MouseEvent):void
			{
				if(event.target.id=="linkBtnImg"){
					list.visible=true;
				}else{
					list.visible=false;
				}
			}
			
			
	
		]]>
	</fx:Script>
	
	
	<s:Label id="mylabel"  x="285" y="183"/>
	<mx:LinkButton id="linkBtnImg"  x="285" y="40" icon="@Embed(‘img/11111.png‘)" width="116"/>


</s:Application>

点击菜单上每一项都可以跳到新网址上去

效果如下

菜单,布布扣,bubuko.com

菜单

原文：http://www.cnblogs.com/regalys168/p/3626861.html