JavaScript

Vue.js框架实现购物车功能

网络涉水的小菜叽2021-06-28JavaScript4488

这篇文章主要为大家详细介绍了Vue.js框架实现购物车功能，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

本文实例为大家分享了Vue.js框架实现购物车的具体代码，供大家参考，具体内容如下

<!DOCTYPE html>
<html lang="en" xmlns:v-on="http://www.w3.org/1999/xhtml">

    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <script src="../lib/vue.min.js"></script>
    </head>

    <body>

        <div id="app" style="position: relative;left: 30%">
            <table cellpadding="10">
                <thead>
                    <th><input type="checkbox" v-model="cb" v-on:click="allSelect">全选</th>
                    <th>名称</th>
                    <th>单价</th>
                    <th>数量</th>
                    <th>金额</th>
                    <th>操作</th>
                </thead>

                <tbody>
                    <tr v-for="x in info">
                        <td><input type="checkbox" v-model="x.bol" v-on:click="sign()"></td>
                        <td>{{x.name}}</td>
                        <td>{{x.price}}</td>
                        <td><input type="number" v-model="x.num" min="0" style="width: 50px;text-align: center" v-on:click="count(x)" v-on:change="count(x)"></td>
                        <td>{{x.total}}</td>
                        <td><button v-on:click="del(x)">删除</button></td>
                    </tr>
                </tbody>
            </table>

            <Br>
            <p>总金额：{{all}}</p>
        </div>

        <script>
            var vm = new Vue({
                el: "#app",
                data: {
                    all: 0,
                    cb: false,
                    info: [{
                        bol: false,
                        name: "iphone7",
                        price: 6000,
                        num: 1,
                        total: 6000
                    }, {
                        bol: false,
                        name: "荣耀6x",
                        price: 1200,
                        num: 1,
                        total: 1200
                    }, {
                        bol: false,
                        name: "dell笔记本",
                        price: 4000,
                        num: 1,
                        total: 4000
                    }]
                },
                methods: {
                    //计算单价
                    count: function(obj) {
                        for(var i = 0; i < this.info.length; i++) {
                            //
                            if(this.info[i] == obj) {
                                this.info[i].total = obj.price * obj.num;
                            }
                            //如果被选中了，就计算总价格
                            if(obj.bol) {
                                this.allSelect();
                            }
                        }
                    },
                    //删除
                    del: function(obj) {
                        this.info.splice(this.info.indexOf(obj), 1)
                        this.allCount();
                    },

                    //单选
                    sign: function() {
                        this.allCount();
                    },
                    //全选
                    allSelect: function() {

                        for(var i = 0; i < this.info.length; i++) {
                            this.info[i].bol = this.cb;
                        }
                        this.allCount();
                    },
                    //计算总价
                    allCount: function() {
                        //每次计算总价都要清空
                        this.all = 0;
                        for(var i = 0; i < this.info.length; i++) {
                            //计算被选中的商品
                            if(this.info[i].bol) {
                                this.all += this.info[i].total;
                            }
                        }
                    }

                }
            })
        </script>
    </body>

</html>

效果图：