前端-vue基础43-综合案例图书管理2 

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
 
</head>
 
<body>
    <div id="app">
        <div>
            <span>
                <input type="text" v-model='fname'>
                <button @click='add'>添加</button>
                <button @click='del'>删除</button>
                <button @click='change'>改变</button>
            </span>
        </div>
        <ul>
            <li :key='index' v-for='(item,index) in list'>{{item}}</li>
        </ul>
    </div>
    <script type="text/javascript" src="./js/vue.js"></script>
    <script>
        var vm = new Vue({
            el: '#app',
 
            data: {
                fname: '',
                list: ['apple', 'orange', 'banana']
            },
            methods: {
                add: function() {
                    this.list.push(this.fname);
                },
                del: function() {
                    this.list.pop();
                },
                change: function() {
                    this.list = this.list.slice(0, 2);
                }
            }
        })
    </script>
</body>
 
</html>

posted @ 2022-07-23 22:30  前端导师歌谣  阅读(30)  评论(0)    收藏  举报