Vue v-for指令

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>v-for</title>
    <script type="text/javascript" src="../assets/js/vue.js"></script>
</head>
<body>
<h1>v-for</h1>
<hr>
<div id="app">
    <ul>
        <li v-for="item in sortItems">{{item}}</li>
    </ul>
    <hr>
    <ul>
        <li v-for="oi in students">名字叫:{{oi.name}},年龄:{{oi.age}}</li>
    </ul>
</div>
</body>
</html>
<script>
    var app = new Vue({
        el:'#app',
        data:{
            items:[123,231,3123,2313,213,21312,1111],
            students:[
                {name:'json',age:'24'},
                {name:'Panda',age:'18'},
                {name:'PanPan',age:'13'},
            ]
        },
        //排序
        //计算属性
        computed:{
            //定义属性 然后新的赋值给 li  vue有个保护data的值 所以一般他不让你动 需要重新定义
            sortItems:function(){
                return this.items.sort();
            }
        }
    })
</script>