红色代码就是判断代码
{eyou:empty name="$eyou.field.typegrade"}
{eyou:empty name="$eyou.field.typegrade"}
{eyou:notempty name='$eyou.field.has_children' /}
{eyou:channel type="first" row='10' currentstyle="hover"} {$field.typename} {/eyou:channel}
{/eyou:notempty}
{eyou:else /}
{eyou:channel type="first" row='10' currentstyle="hover"} {$field.typename} {/eyou:channel}
{/eyou:empty}
