Bootstrap + Vue.js实现添加删除数据

<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="external nofollow" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

 <p class="container" id="box">
    <form role="form">
      <p class="form-group">
        <label for="username">用户名：</label>
        <input type="text" id="username" class="form-control" placeholder="请输入用户名" v-model="username" />
      </p>
      <p class="form-group">
        <label for="age">年龄：</label>
        <input type="text" id="age" class="form-control" placeholder="请输入年龄" v-model="age" />
      </p>
      <p class="form-group">
        <input type="button" value="添加" class="btn btn-primary" v-on:click="add()" />
        <input type="reset" value="重置" class="btn btn-danger" />
      </p>
    </form>
    <hr>
    <table class="table table-bordered table-hover">
      <caption class="text-center">用户信息表</caption>
      <tr class="text-danger">
        <th class="text-center">序号</th>
        <th class="text-center">名字</th>
        <th class="text-center">年龄</th>
        <th class="text-center">操作</th>
      </tr>
      <tr class="text-center" v-for="(item, index) in myData">
        <td>{{index+1}}</td> 
        <td>{{item.name}}</td>
        <td>{{item.age}}</td>
        <td>
          <button class="btn btn-primary btn-sm" v-on:click="deleteMsg()">删除</button>
        </td>
      </tr>
      <tr v-show="myData.length!==0">
        <td colspan="4" class="text-right">
          <button class="btn btn-danger" v-on:click="all()">删除全部</button>
        </td>
      </tr>
      <tr v-show="myData.length==0">
        <td colspan="4" class="text-center text-muted">
          <p>暂无数据……</p>
        </td>
      </tr>
    </table>
  </p>

window.onload = function(){
    new Vue({
      el:"#box",
      data:{
        myData:[],
        username:'',
        age:'',
        nowIndex:-100
      },
      methods:{
        add:function(){
          this.myData.push({
            name:this.username,
            age:this.age
          });
          this.username='';
          this.age='';
        },
        deleteMsg:function(){
          this.myData.splice(0,1)
        },
        all:function(){
          this.myData = [];
        }
      }
    })
  }