ComboBox

代码

<? xml version = " 1.0 "  encoding = " utf-8 " ?>  
< mx:Application xmlns:mx = " http://www.adobe.com/2006/mxml "  layout = " absolute "  creationComplete = " initCB(); "  width = " 283 "  height = " 102 " >  
  < mx:Style >  
  global{ 
   fontSize: 12px 
  } 
  < / mx:Style> 
  < mx:Script >  
   <! [CDATA[ 
   private  function  initCB(): void { 
     var  info:Array  =   new  Array(); 
    info.push({label: " B1 " , data: " 3 " }); 
    info.push({label: " B2 " , data: " 2 " }); 
     this .cb1.dataProvider  =  info; 
   } 

   private  function  setCB1Index(): void {    // 根据值查询数据，如：数据来自库文件 
     for  each( var  obj:Object  in  cb1.dataProvider){ 
      if (obj.data == edit_txt.text){ 
      cb1.selectedItem = obj; 
       break ; 
     } 
    } 
//     cb1.selectedIndex=0;      //数据固定，已经知道序号 
   } 
  ]] >  
  < / mx:Script>    
  < mx:ComboBox x = " 25.5 "  y = " 24 "  id = " cb1 " >< / mx:ComboBox> 
  < mx:TextInput x = " 25.5 "  y = " 56 "  id = " edit_txt "/ > 
  < mx:Button x = " 193.5 "  y = " 55 "  label = " Click "  click = " setCB1Index(); "/ > 
< / mx:Application>