Flex DataGrid 伪合并单元格实现思路

    
    <?xml version="1.0" encoding="utf-8"?> 
    <s:MXDataGridItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"  
             xmlns:s="library://ns.adobe.com/flex/spark"  
             xmlns:mx="library://ns.adobe.com/flex/mx"  
             width="100%" height="100%" 
              
             autoDrawBackground="false" 
             creationComplete="mxitemrenderer1_creationCompleteHandler(event)" 
            > 
      <s:layout> 
        <s:VerticalLayout verticalAlign="middle" horizontalAlign="center"/> 
      </s:layout> 
      <fx:Script> 
        <![CDATA[ 
          import mx.collections.ArrayCollection; 
          import mx.controls.Text; 
          import mx.events.FlexEvent; 
           
          protected function mxitemrenderer1_creationCompleteHandler(event:FlexEvent):void 
          { 
            var txt1:String = lbl.text.split(",")[0]; 
            var txt2:String = lbl.text.split(",")[1]; 
            lbl1.text = txt1; 
            lbl2.text = txt2; 
         
          } 
           
        ]]> 
      </fx:Script> 
      <fx:Declarations> 
        <!-- 将非可视元素(例如服务、值对象)放在此处 --> 
      </fx:Declarations> 
      <s:Label id="lbl" text="{dataGridListData.label}" visible="false" height="0"/> 
       
      <s:VGroup  id="vp" width="100%" height="100%" gap="2" > 
      <s:Label  id="lbl1" color="0x000000" textAlign="center" verticalAlign="middle" width="100%"/> 
      <mx:HRule width="100%" chromeColor="0x999999" alpha="0.3"/> 
      <s:Label  id="lbl2" color="0x000000" textAlign="center" verticalAlign="middle" width="100%"/> 
      </s:VGroup> 
      </s:MXDataGridItemRenderer>

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