vue添加删除元素的方法

<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>vue实例：添加删除元素r</title>

天道酬勤_鹿

4299人浏览 · 2018-11-22 08:08:34

天道酬勤_鹿 · 2018-11-22 08:08:34 发布

<!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">
<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>

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