vue实现户籍管理系统

<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<div id = 'app' v-cloak>
 <legend>户籍管理系统</legend></br>
 姓名：<input type="text" placeholder="请输入用户名" v-model = 'newmessage.name'></br>
 年龄：<input type="text" placeholder="请输入年龄" v-model = 'newmessage.age'></br>
 性别：
 <select v-model = 'newmessage.sex'>
 <option>男</option>
 <option>女</option>
 </select></br>
 手机：<input type="text" placeholder="请输入手机号" v-model = 'newmessage.phone'></br>
 <button class = 'save' @click = 'add()'>保存至用户</button></br>
 <table>
 <tr class = 'title'>
 <td width = '100px'>姓名</td>
 <td width = '100px'>性别</td>
 <td width = '100px'>年龄</td>
 <td width = '200px'>手机</td>
 <td width = '100px'>删除</td>
 </tr>
 <tr v-for = 'item,index in message'>
 <td>{{item.name}}</td>
 <td>{{item.sex}}</td>
 <td>{{item.age}}</td>
 <td>{{item.phone}}</td>
 <td><button @click = 'del(index)'>删除</button></td>
 </tr>
 </table>
</div>

<script>
 var app = new Vue({
 el:'#app',
 data:{
 message:[
  {
  name:'张三',
  sex:'女',
  age:16,
  phone:'1568888811'
  },
  {
  name:'李四',
  sex:'男',
  age:26,
  phone:'1456666622'
  },
  {
  name:'王麻子',
  sex:'女',
  age:36,
  phone:'1866666666'
  },
 ],
 newmessage:{name:'',age:'',sex:'男',phone:''},
 
 },
 methods:{
 add(){
  if(!this.newmessage.name == ''){
  this.message.push(this.newmessage);
  this.newmessage = {
  name:'',
  age:'',
  sex:'男',
  phone:''
  };
  }
  else{
  alert('请输入姓名！');
  }
 },
 del(index){
  this.message.splice(index,1);
 }
 }
 })
 </script>

<style>
 *{
 margin:0;
 padding:0;
 }
 #app{
 border: 1px solid black;
 width:800px;
 padding:30px 30px;
 }
 #app .save{
 background-color: #555555;
 border-radius: 10%;
 height:50px;
 color:white;
 }
 #app input,select{
 margin:10px 0;
 width:300px;
 }
 #app td{
 text-align: center;
 }
 #app .title td{
 background-color: #555555;
 color:white;
 }
 #app table button{
 background-color: #555555;
 color:white;
 border-radius: 30%;
 }
 </style>