v-demo1 List.vue

<template>
<div class="col-md-8">
<h3 class="reply">评论回复：</h3>
<h2 v-show="comments.length===0">暂无评论</h2>
<ul class="list-group">
<Item v-for="(comment,index) in comments" :key="index"
:comment="comment":deleteComment="deleteComment":index="index"></Item>
</ul>
</div>
</template>

<script>
import Item from './Item.vue'
export default{
// 声明接收的属性：这个属性就会成为组件对象的属性
props:['comments','deleteComment'],
components:{
Item
}
}
</script>

<style>
.reply{
margin-top:0px;
}

</style>