代码实现：

效果实现：

奉上代码：

<php>
$widget["vars"]["last_news_category_id"] = empty($widget["vars"]["last_news_category_id"])?1:$widget["vars"]["last_news_category_id"];
    $last_news_limit=8;
</php>
<portal:articles limit="$last_news_limit" order="post.published_time DESC"
                 categoryIds="$widget.vars.last_news_category_id">
    <if condition="$key eq 3"><li>
    <div class="pic"><a href="{:cmf_url('portal/Article/index',array('id'=>$vo.id,'cid'=>$vo.category_id))}"><img src="{:cmf_get_image_url($vo.more.thumbnail)}" /></a></div>
    <a href="{:cmf_url('portal/Article/index',array('id'=>$vo.id,'cid'=>$vo.category_id))}" class="title">{$vo.post_title}</a>
</li>
        <else /><li class="mr0">
        <div class="pic"><a href="{:cmf_url('portal/Article/index',array('id'=>$vo.id,'cid'=>$vo.category_id))}"><img src="{:cmf_get_image_url($vo.more.thumbnail)}" /></a></div>
        <a href="javascript:;" class="title">{$vo.post_title}</a>
    </li>
        </if>
</portal:articles>

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