vue小案例

阿新 • • 發佈：2020-12-13

####1.實現微博釋出刪除功能：
在這裡插入圖片描述
點選提交，在文字上方顯示要插入的內容
點選X刪除按鈕，刪除本條資料

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script type="text/javascript" src="/js/vue.js"></script>
</head>
<style>
    .content {
        width: 690px;
        height: 690px;
        margin: auto;
    }
</style>

<body>
    <div id="app">
        <div class="content">
            <textarea v-model='msg'></textarea>
            <button @click='add()'>提交</button>
            <ul>
                <li v-for='(v,i) in list'>
                    <p>{{v}}<span @click='del(i)'>X</span></p>
                </li>
            </ul>

        </div>
    </div>
    <script type="text/javascript" src="/js/vue.js"></script>
    <script type="text/javascript">
        var vm = new Vue({
            el: '#app',
            data: {
                list: [
                    '第一條資料', '第二條資料'
                ],
                msg: ''
            },
            methods: {
                add: function() {
                    this.list.unshift(this.msg);

                },
                del: function(i) {
                    this.list.splice(i, 1);
                }
            }
        });
    </script>

</body>

</html>

####2,購物車，商品的增加與刪除
在這裡插入圖片描述

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script type="text/javascript" src="/js/vue.js"></script>
</head>
<body>
    <div id="app">
        商品名稱: <input type="text" v-model='good'> 商品價格
        <input type="text" v-model='price'>
        <button @click='add()'>增加</button>

        <table border="1px">
            <tr>
                <th v-for='item in title'>{{item}}</th>
            </tr>
            <tr v-for='(v,i) in detail'>
                <td>{{i+1}}</td>
                <td>{{v.good}}</td>
                <td>{{v.price}}</td>
                <td><span @click='del(i)'>刪除</span></td>

            </tr>
        </table>
    </div>
    <script type="text/javascript" src="/js/vue.js"></script>
    <script type="text/javascript">
        var vm = new Vue({
            el: '#app',
            data: {
                title: ['商品序號', '商品名稱', '商品價格', '刪除商品'],
                good: '',
                price: '',
                detail: [{
                        good: 'zhangsan',
                        price: '18'
                    }, {
                        good: 'wmx',
                        price: '20'
                    }

                ]
            },
            methods: {
                add: function() {
                    var str = {
                        good: this.good,
                        price: this.price
                    };
                    this.detail.unshift(str)
                },
                del: function(i) {
                    this.detail.splice(i, 1)
                }
            }
        });
    </script>

</body>

</html>