Vue小小案例——购物车

落日映苍穹つ 2023-06-07 12:09 151阅读 0赞

实现购物车结算功能，效果图如下：  
![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM4NzU2OA_size_16_color_FFFFFF_t_70][]代码如下：

<!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>
        <link rel="stylesheet" href="./bootstrap.min.css">
    
    </head>
    
    <body>
        <div id="box">
            <div class="container">
                <table class="table table-hover">
                    <thead>
                        <tr>
                            <th>全选 <input type="checkbox" name="" id="" v-model="select" @change='selectAll'></th>
                            <th>商品</th>
                            <th>单价</th>
                            <th>数量</th>
                            <th>小计</th>
                            <th>操作</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr v-for='(item,index) in cartsList'>
                            <td><input type="checkbox" v-model="item.isSelected" name="" id="" @change='selOne'></td>
                            <td>
                                <img :src="item.productCover" alt="">
                                <span>{
       {item.productName}}</span>
                            </td>
                            <td>
                                {
       {item.productPrice}}
                            </td>
                            <td>
                                <input type="number" name="" id="" v-model="item.productCount">
                            </td>
                            <td>
                                {
       {(item.productPrice*item.productCount).toFixed(2)}}
                            </td>
                            <td>
                                <button class="btn btn-danger" @click='remove'>删除</button>
                            </td>
                        </tr>
                        <tr>
                            <td>总计：{
       {total()}}</td>
                        </tr>
                    </tbody>
    
                </table>
            </div>
        </div>
    
        <script src="./axios.min.js"></script>
        <script src="./vue.min.js"></script>
        <script>
            let vm = new Vue({
                el: "#box",
                data: {
                    cartsList: [],
                    select: false,
                },
                created() {
                    axios.get("./carts.json").then(data => {
                        console.log(data.data);
                        this.cartsList = data.data;
                    })
                },
                methods: {
                    selectAll() {
                        console.log(this.cartsList);
                        this.cartsList.forEach(item => {
                            console.log(this.select);
                            item.isSelected = this.select;
                        })
                    },
                    selOne() {
                        select = this.cartsList.every(function (item) {
                            return item.isSelected
                        });
                        if (!select) {
                            this.select = false;
                        } else {
                            this.select = true;
                        }
                    },
                    remove(index) {
                        this.cartsList.splice(index, 1);
                    },
                    total() {
                        let num = 0;
                        this.cartsList.forEach(item => {
                            if (item.isSelected) {
                                num += item.productPrice * item.productCount
                            }
                        });
                        return num.toFixed(2);
                    }
                }
            })
        </script>
    </body>
    </html>

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTM4NzU2OA_size_16_color_FFFFFF_t_70]: /images/20230601/3e7f039b146443518fb35babc5f5a325.png