多处引用相同组件时,操作data不会相互影响
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>vue</title>
<link rel="stylesheet" href="">
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<!-- <script type="text/javascript" src="../js/vue.js"></script> -->
</head>
<body>
<div id="hdcms">
<hd-news></hd-news> <!--引入模板 和new Vue()里的components里注册时的名字 hdNews 要一致-->
<hr>
<hd-news></hd-news>
</div>
<script type="text/x-template" id="hdNewstemplate">
<div>
<li v-for="(v,k) in news">{{v.id}}=>{{v.title}} <button @click="del(k);">删除</button></li>
</div>
</script>
<script>
var hdNews={
//绑定id="hdNews" 的 x-template模板
template:'#hdNewstemplate',
data(){
return {
news:[
{id:0,title:'tpshop'},
{id:1,title:'hdcms'}
],
}
},
methods:{
del(k){
console.log(k);
this.news.splice(k,1)
}
}
}
new Vue({
el:'#hdcms',
//绑定组件hdNews hdNews:hdNews简写成hdNews
components:{hdNews},
data:{},
});
</script>
</body>
</html>
效果: