vue动态删除从数据库倒入列表的某一条

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
    //导入vue.js
    <script type="text/javascript" src="./vue.js"></script>
    //非常简单了设置了一下css样式
    <style type="text/css">
    #app{
        height: 100%;
        margin-left: 200px;
        width:50%;
        text-align: center;
        background-color: lightpink
        }
        .tab{
            width: 600px;
            margin-top: 30px;
            background-color: lightpink;
        }
        input{
            height: 25px;
            margin-top: 10px;
            border-radius:5px;
        }
    </style>    
</head>
<body>
    <div id="app">
    <div class="createForm">
        姓名:<input type="text" name="uname" v-model="userName"><br>
        年龄:<input type="text" name="uage" id="uage" v-model="userAge"><br>
        性别:<select name="gender" v-model="selected">
            <option v-for="option in options" v-bind:value="option.gender">
                {
   
   {option.gender}}
            </option>               
        </select>
        {
   
   {selected}}
        <br>
        <button type="button" v-on:click="insertInfo">创建</button>
    </div>  
    <table class="tab">
        <tr style="background-color: pink">
            <th>姓名</th>
            <th>年龄</th>
            <th>性别</th>
            <th>删除</th>
        </tr>
        <tr v-for="(person,index) in infoArr">
            <td>{
   
   {person.uname}}</td>
            <td>{
   
   {person.uage}}</td>
            <td>{
   
   {person.gender}}</td>
            <td><button v-on:click="deleteInfo(index)">删除</button></td>
        </tr>
    </table>
    </div>
</body>
</html>
<script type="text/javascript">
 new Vue({
        el:"#app",
        data:{
            msg:"hello",
            selected:'女',
            userName:'',
            userAge:'',
            options:[
            {gender:"男"},
            {gender:"女"}
            ],
            infoArr:[]
        },
        methods:{
        //添加数据的方法
            insertInfo(){
                var obj={};
                obj.uname=this.userName;
                obj.uage=this.userAge;
                obj.gender=this.selected;
                this.infoArr.push(obj);
                console.log(obj);
            },
            //删除的方法
            deleteInfo(index){
                this.infoArr.splice(index,1);
            }
        }       
    })

</script>
vue动态删除从数据库倒入列表的某一条

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