{empty name='vo.content.wechat_type'}{assign name='vo.content.wechat_type' value='v2'}{/empty} {foreach ['v2'=>'V2 旧版接口','v3'=>'V3 新版接口'] as $k=>$v} {if isset($vo.content.wechat_type) and $vo.content.wechat_type eq $k} {$v} {else} {$v} {/if} {/foreach}