Vue实现动态创建和删除数据的方法

    技术2022-07-11  121

    <!DOCTYPE html> <html> <head>  <meta charset="utf-8">  <title></title>  //导入vue.js   <script type="text/javascript" src="./vue.js"></script> </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>

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