织梦怎么循环调用二级栏目下三级栏目

{dede:channelartlist  cacheid='channelsonlist' typeid=3 }
 

    

      
{dede:field name='typename'/}
      

        

        {dede:channel type='sun' row='10' noself='yes'}
        
[field:typename/]
        {/dede:channel}
        
      
    
  
 {/dede:channelartlist}

{dede:channelartlist typeid=3 }
 

    

      
{dede:field name='typename'/}
      

        

         {dede:sql sql='Select * from `dede_arctype` where reid=~id~ ORDER BY id'}
        
[field:typename/]
        {/dede:sql}
        
      
    
  
 {/dede:channelartlist}