代码：

 
    
     
         
  1. <?xml version="1.0" encoding="utf-8"?> 
    2.  
         
  2. <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"   
    3.  
         
  3.                xmlns:s="library://ns.adobe.com/flex/spark"   
    4.  
         
  4.                xmlns:mx="library://ns.adobe.com/flex/mx"   
    5.  
         
  5.                minWidth="955" minHeight="600" xmlns:logic="contr.*"> 
    6.  
         
  6.     <fx:Declarations> 
    7.  
         
  7.         <!-- 将非可视元素（例如服务、值对象）放在此处 --> 
    8.  
         
  8.         <fx:XMLList id="treeData"> 
    9.  
         
  9.             <node label="选择数据集"> 
    10.  
         
  10.                 <node label="hsql"> 
    11.  
         
  11.                     <node label="tabels"> 
    12.  
         
  12.                           <node label="订单" head="p_w_picpaths/install.jpg"/> 
    13.  
         
  13.                           <node label="订单明细" head="p_w_picpaths/install.jpg"/> 
    14.  
         
  14.                           <node label="雇员" head="p_w_picpaths/install.jpg"/> 
    15.  
         
  15.                     </node>   
    16.  
         
  16.                 </node> 
    17.  
         
  17.                 <node label="mysql"> 
    18.  
         
  18.                     <node label="tabels"> 
    19.  
         
  19.                           <node label="demo_salesday" head="p_w_picpaths/install.jpg"/> 
    20.  
         
  20.                           <node label="Personal" head="p_w_picpaths/install.jpg"/> 
    21.  
         
  21.                     </node>   
    22.  
         
  22.                 </node> 
    23.  
         
  23.             </node> 
    24.  
         
  24.         </fx:XMLList> 
    25.  
         
  25.     </fx:Declarations> 
    26.  
         
  26.     <mx:VBox backgroundColor="#CCCCCC" width="100%" height="100%" verticalAlign="middle" horizontalAlign="center"> 
    27.  
         
  27.         <mx:Tree dataProvider="{treeData}" width="200" height="200" labelField="@label"  depthColors="[#CCCCCC,#f60f0f,#1c47e8,#31eb18]"/> 
    28.  
         
  28.     </mx:VBox> 
    29.  
         
  29. </s:Application> 
    30.  
        
 
    
效果：