{volist name="menu" id="item" key="k"} {if $item['type']==2} {if !empty($item['child'])} {volist name="item['child']" id="son" key="kk"} {if !empty($son['child'])} {else /} {/if} {/volist} {/if} {else /} {if !empty($item['child'])} {else /} {if $item['type']==2} {else /} {/if} {/if} {/if} {/volist}