详解vue添加删除元素的方法

时间:2020-05-16 lily2016n 人气:0
相关版实例代码如下：
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>vue实例：添加删除元素r</title>
  <style type="text/css">
    .form-group{
      margin:10px;
    }
    .form-group>label{
      display: inline-block;
      width: 5rem;
      text-align: right;
    }
  </style>
</head>
<body>
  <div id="app">
    <div class="form-group">
      <label>name:</label>
      <input type="text" name="" v-model='newitems.name'>
    </div>
    <div class="form-group">
      <label>age:</label>
      <input type="text" name="" v-model='newitems.age'>
    </div>
    <div class="form-group">
      <label>sex:</label>
      <select v-model='newitems.sex'>
        <option value="男">男</option>
        <option value="女">女</option>
      </select>

    </div>
    <div class="form-group">
      <label></label>
      <button v-on:click = 'addPerson'>Create</button>
    </div>

    <table>
      <thead>
        <tr>
          <th>Name</th>
          <th>Age</th>
          <th>Sex</th>
          <th>Delete</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="item in items"><!--v-for-->
          <td>{{item.name}}</td>
          <td>{{item.age}}</td>
          <td>{{item.sex}}</td>
          <td><button @click="deletePerson($index)">Delete</button></td>
        </tr>
      </tbody>

    </table>
  </div>

</body>
<script src="vue.js"></script>
<script type="text/javascript">
  var vm = new Vue({
    el:'#app',
    data:{
      newitems:{
        name:'',
        age:'18',
        sex:'女'
      },//newitems默认的
      items:[{
        name:'lily',
        age:18,
        sex:'女'
      },{
        name:'lily',
        age:18,
        sex:'女'
      },{
        name:'lily',
        age:18,
        sex:'女'
      },{
        name:'lily',
        age:18,
        sex:'女'
      },{
        name:'lily',
        age:18,
        sex:'女'
      }]
    },
    methods:{
      addPerson:function(){
        this.items.push(this.newitems)//往items中添加newitems
        this.newitems = {name:'',age:'18',sex:'女'}
      },//添加元素
      deletePerson: function(index){
        // 删一个数组元素
        this.items.splice(index,1);
      }
    }
  })
</script>
</html>
大家可以测试以下，感谢大家对的支持。
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