<{if !isset($home_name) }> <{assign var="home_name" value="网站首页"}> <{/if}> <{if !isset($order_mark) }> <{assign var="order_mark" value="500"}> <{/if}> <{if !isset($min_id) }> <{assign var="min_id" value="5"}> <{/if}> <{if !isset($max_num) }> <{assign var="max_num" value="20"}> <{/if}> <{if !isset($drop_menu) }> <{assign var="drop_menu" value="2"}> <{/if}> <{if !isset($current_type_id) }> <{assign var="current_type_id" value="0"}> <{/if}> <{strip}>

<{assign var="type_num" value="1"}> <{if $data_ary.my_tag.top_nav.body_1|strip == '' }>

• <{$home_name}>
<{foreach name=nav_item item=single_type from=$web.type}> <{if $single_type.parent_id == 0 && $single_type.order_mark < $order_mark && $type_num<=$max_num && $single_type.id > $min_id}> <{assign var="down_class" value="def"}> <{foreach name=sub_type item=item_info from=$web.type}> <{if $item_info.parent_id == $single_type.id }> <{assign var="down_class" value="down"}> <{/if}> <{/foreach}> <{if isset($data_ary.parent_id_ary) && $data_ary.parent_id_ary.0 == $single_type.id }> <{assign var="top_class" value="top top_current"}> <{else}> <{assign var="top_class" value="top"}> <{/if}>
• <{$single_type.title}> <{assign var="sub_type_num" value="0"}> <{foreach name=sub_type item=item_info from=$web.type}> <{if $item_info.parent_id == $single_type.id && $drop_menu >=2 }> <{if $sub_type_num==0 }>
  <{/if}>
  • <{$item_info.title}> <{* 三级栏目 *}> <{assign var="sub3_type_num" value="0"}> <{foreach name=sub3_type item=sub3_item_info from=$web.type}> <{if $sub3_item_info.parent_id == $item_info.id && $drop_menu >=3 }> <{if $sub3_type_num==0 }>
    <{/if}>
    • <{$sub3_item_info.title}> <{* 四级栏目 *}> <{assign var="sub4_type_num" value="0"}> <{foreach name=sub4_type item=sub4_item_info from=$web.type}> <{if $sub4_item_info.parent_id == $sub3_item_info.id && $drop_menu >=4 }> <{if $sub4_type_num==0 }>
      <{/if}>
      • <{$sub4_item_info.title}>
      <{assign var="sub4_type_num" value="`$sub4_type_num+1`"}> <{/if}> <{/foreach}> <{if $sub4_type_num>0 }>
      <{else}> <{/if}>
    <{assign var="sub3_type_num" value="`$sub3_type_num+1`"}> <{/if}> <{/foreach}> <{if $sub3_type_num>0 }>
    <{else}> <{/if}>
  <{assign var="sub_type_num" value="`$sub_type_num+1`"}> <{/if}> <{/foreach}> <{if $sub_type_num>0 }>
  <{/if}>
<{assign var="type_num" value="`$type_num+1`"}> <{/if}> <{/foreach}>

<{else}>

<{$data_ary.my_tag.top_nav.body_1}>

<{/if}>

<{/strip}> <{* 导航条居中 *}> <{if $auto_posi == 'center' || $auto_posi == 'right' }> <{/if}>