<div class="news_title">
<ul>
<li v-for="(item,index) in newsLi" :class="{"news_active":index === newsIndex}" @click="news_title(index)" :type1="index">{{item}}</li>
</ul>
</div>
<div class="news_content" v-html="newslist">
</div>
then the content of the tab is a tagged string
"I am the content of tab1.
I am the content of tab2.
I am the content of tab3.
."
: