<p id="app">
    <p v-for="item in items1">
        {{item.msg}}
   </p >
    </br>
    <p v-for="item in items2">
        {{item.msg}}
    </p>
    <button @click="items2.push(items1.shift())">向左移动</button>
    <button @click="items1.push(items2.shift())">向右移动</button>
</p>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script>
 var vm = new Vue({
     el:"#app",
     data: {
         items1: [
             {msg: 1},
             {msg: 2},
             {msg: 3},
             {msg: 4},
             {msg: 5}
         ],
         items2: [
             {msg: 6},
             {msg: 7},
             {msg: 8},
             {msg: 9},
             {msg: 0}
         ],
     }
 })
</script>

我是小白，就是下了你的demo试了一下，可行哇