vue2购物车ch1-（安装依赖、简单配置、 axios获取api的模拟数据）

2022-09-28 15:22:08

0--项目说明

说明此项目源自某课网购物车教程，但是在开发过程中，发现在开发过程中用的还是 vue-resource(宣布不更新的类$.ajx()插件)，为了以后的发展使用axios.js，详情参考

1 初始静态页面

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <!-- Always force latest IE rendering engine or request Chrome Frame -->

    <meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">

    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">

    <title>购物车</title>

    <link href="css/base2.css" rel="stylesheet" >

    <link href="css/checkout.css" rel="stylesheet" >

    <link href="css/modal.css" rel="stylesheet" >

    <style>

        .quentity input{

            width: 40px;

            padding: 5px 10px;

            text-align: center;

        }

        .partContent{

            width:100px;

            height: 50px;

        }

        .partContent .left{

            width:50px;

            height:50px;

            display: table-cell;

            vertical-align: middle;

            text-align: center;

            float:left;

        }

        .partContent .right{

            width:50px;

            height: 50px;

            float:left;

            cursor:pointer;

        }

    </style>

</head>

    <body class="checkout">

        <div id="app">

            <svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">

                <defs>

                    <symbol id="icon-add" viewBox="0 0 32 32">

                        <title>add2</title>

                        <path class="path1" d="M15 17h-13.664c-0.554 0-1.002-0.446-1.002-1 0-0.552 0.452-1 1.002-1h13.664v-13.664c0-0.554 0.446-1.002 1-1.002 0.552 0 1 0.452 1 1.002v13.664h13.664c0.554 0 1.002 0.446 1.002 1 0 0.552-0.452 1-1.002 1h-13.664v13.664c0 0.554-0.446 1.002-1 1.002-0.552 0-1-0.452-1-1.002v-13.664z"></path>

                    </symbol>

                    <symbol id="icon-ok" viewBox="0 0 39 32">

                        <title>ok</title>

                        <path class="path1" d="M14.084 20.656l-7.845-9.282c-1.288-1.482-3.534-1.639-5.016-0.351s-1.639 3.534-0.351 5.016l10.697 12.306c1.451 1.669 4.057 1.623 5.448-0.096l18.168-22.456c1.235-1.527 0.999-3.765-0.528-5.001s-3.765-0.999-5.001 0.528l-15.573 19.337z"></path>

                    </symbol>

                    <symbol id="icon-edit" viewBox="0 0 32 32">

                        <title>edit</title>

                        <path class="path1" d="M25.599 11.292l-4.892-4.892 3.825-3.825 4.892 4.892-3.825 3.825zM4.732 23.308l3.959 3.959-5.939 1.98 1.98-5.939zM10.666 26.225l-4.892-4.892 13.425-13.425 4.892 4.892-13.425 13.425zM31.687 6.713l-6.4-6.4c-0.417-0.417-1.091-0.417-1.508 0l-20.267 20.267c-0.114 0.115-0.191 0.25-0.242 0.393-0.003 0.009-0.012 0.015-0.015 0.025l-3.2 9.6c-0.128 0.383-0.029 0.806 0.257 1.091 0.203 0.204 0.476 0.313 0.754 0.313 0.112 0 0.227-0.017 0.337-0.054l9.6-3.2c0.011-0.003 0.017-0.013 0.027-0.016 0.142-0.052 0.276-0.128 0.39-0.242l20.267-20.267c0.417-0.416 0.417-1.091 0-1.508v0z"></path>

                    </symbol>

                    <symbol id="icon-del" viewBox="0 0 26 32">

                        <title>delete</title>

                        <path class="path1" d="M17.723 28c0.543 0 0.984-0.448 0.984-1v-12c0-0.552-0.441-1-0.984-1s-0.985 0.448-0.985 1v12c0 0.552 0.441 1 0.985 1v0zM7.877 28c0.543 0 0.984-0.448 0.984-1v-12c0-0.552-0.441-1-0.984-1s-0.985 0.448-0.985 1v12c0 0.552 0.441 1 0.985 1v0zM12.8 28c0.543 0 0.985-0.448 0.985-1v-12c0-0.552-0.441-1-0.985-1s-0.984 0.448-0.984 1v12c0 0.552 0.441 1 0.984 1v0zM23.631 4h-5.908v-2c0-1.104-0.882-2-1.969-2h-5.908c-1.087 0-1.969 0.896-1.969 2v2h-5.908c-1.087 0-1.969 0.896-1.969 2v2c0 1.104 0.882 2 1.969 2v18c0 2.208 1.765 4 3.939 4h13.784c2.174 0 3.938-1.792 3.938-4v-18c1.087 0 1.969-0.896 1.969-2v-2c0-1.104-0.882-2-1.969-2v0zM9.846 3c0-0.552 0.441-1 0.984-1h3.938c0.544 0 0.985 0.448 0.985 1v1h-5.908v-1zM21.662 28c0 1.104-0.882 2-1.969 2h-13.784c-1.087 0-1.97-0.896-1.97-2v-18h17.723v18zM22.646 8h-19.692c-0.543 0-0.985-0.448-0.985-1s0.441-1 0.985-1h19.692c0.543 0 0.984 0.448 0.984 1s-0.441 1-0.984 1v0z"></path>

                    </symbol>

                    <symbol id="icon-clock" viewBox="0 0 32 32">

                        <title>clock</title>

                        <path class="path1" d="M29.333 16c0-7.364-5.97-13.333-13.333-13.333s-13.333 5.97-13.333 13.333c0 7.364 5.97 13.333 13.333 13.333s13.333-5.97 13.333-13.333v0 0 0 0 0 0zM0 16c0-8.837 7.163-16 16-16s16 7.163 16 16c0 8.837-7.163 16-16 16s-16-7.163-16-16zM14.667 14.667v1.333h2.667v-10.667h-2.667v9.333zM24 18.667h1.333v-2.667h-10.667v2.667h9.333z"></path>

                    </symbol>

                </defs>

            </svg>

            <div class="container">

                <div class="cart">

                    <div class="checkout-title">

                        <span>购物车</span>

                    </div>

                    <!-- table -->

                    <div class="item-list-wrap">

                        <div class="cart-item">

                            <div class="cart-item-head">

                                <ul>

                                    <li>商品信息</li>

                                    <li>商品金额</li>

                                    <li>商品数量</li>

                                    <li>总金额</li>

                                    <li>编辑</li>

                                </ul>

                            </div>

                            <!--购物车商品列表 start-->

                            <ul class="cart-item-list">

                                <li>

                                    <div class="cart-tab-1">

                                        <div class="cart-item-check">

                                            <a href="javascript:void 0" class="item-check-btn">

                                            <svg class="icon icon-ok"><use xlink:href="#icon-ok"></use></svg>

                                        </a>

                                    </div>

                                    <div class="cart-item-pic">

                                        <img src="img/goods-1.jpg">

                                    </div>

                                    <div class="cart-item-title">

                                        <div class="item-name">黄鹤楼香烟</div>

                                    </div>

                                    <div class="item-include">

                                        <dl>

                                            <dt>赠送:</dt>

                                            <dd>

                                                <div class="partContent">

                                                    <div class="left">

                                                        <span>打火机</span>

                                                    </div>

                                                    <div class="right">

                                                        <img style="width:50px"/>

                                                    </div>

                                                </div>

                                            </dd>

                                        </dl>

                                    </div>

                                </div>

                                <div class="cart-tab-2">

                                    <div class="item-price">19</div>

                                </div>

                                <div class="cart-tab-3">

                                    <div class="item-quantity">

                                        <div class="select-self select-self-open">

                                            <div class="quentity">

                                                <a href="javascript:void 0">-</a>

                                                <input type="text" disabled value="1">

                                                <a href="javascript:void 0">+</a>

                                            </div>

                                        </div>

                                        <div class="item-stock">有货</div>

                                    </div>

                                </div>

                                <div class="cart-tab-4">

                                    <div class="item-price-total">0.00</div>

                                </div>

                                <div class="cart-tab-5">

                                    <div class="cart-item-opration">

                                        <a href="javascript:void 0" class="item-edit-btn">

                                        <svg class="icon icon-del"><use xlink:href="#icon-del"></use></svg>

                                    </a>

                                </div>

                            </div>

                        </li>

                            </ul>

                            <!--购物车商品列表 end-->

                        </div>

                    </div>

            <!-- footer -->

            <div class="cart-foot-wrap">

                <div class="cart-foot-l">

                    <div class="item-all-check">

                        <a href="javascript:void 0">

                            <span class="item-check-btn">

                                <svg class="icon icon-ok"><use xlink:href="#icon-ok"></use></svg>

                            </span>

                            <span>全选</span>

                        </a>

                    </div>

                    <div class="item-all-del">

                        <a href="javascript:void 0" class="item-del-btn">

                            取消全选

                        </a>

                    </div>

                </div>

                <div class="cart-foot-r">

                    <div class="item-total">

                        总量: <span class="total-price"></span>

                    </div>

                    <div class="next-btn-wrap">

                        <a href="address.html" class="btn btn--red">结账</a>

                    </div>

                </div>

            </div>

        </div>

    </div>

    <div class="md-modal modal-msg md-modal-transition" id="showModal">

    <div class="md-modal-inner">

        <div class="md-top">

            <button class="md-close">关闭</button>

        </div>

        <div class="md-content">

            <div class="confirm-tips">

                <p id="cusLanInfo">你确认删除此订单信息吗?</p>

            </div>

            <div class="btn-wrap col-2">

                <button class="btn btn--m" id="btnModalConfirm">确定</button>

                <button class="btn btn--m btn--red" id="btnModalCancel">取消</button>

            </div>

        </div>

    </div>

</div>

<!--<div class="md-overlay" id="showOverLay"></div>-->

    </div>

        <script type="text/javascript" src="node_modules/vue/dist/vue.js"></script>

        <script type="text/javascript" src="node_modules/axios/dist/axios.js"></script>

        <script type="text/javascript" src="js/cart.js"></script>

    </body>

</html>

2 cart.js

/**

 * Created by Administrator on 2017/4/2 0002.

 */

let vmCart = new Vue({

    el: '#app',

    data: {

      productList: [] //作为商品列表

    },

    filter: {  //局部过滤器

    },

    mounted: function(){ //dom加载完后(生命周期)实例创建后查询某个方法--进来之后查询商品

        this.cartView(); //2使用

    },

    methods: {

        cartView: function(){ //1定义

            const _this = this; //这里的this指向vmCart

            axios.get('data/cartData.json') //使用axios

            .then(function(res){  //then回调函数

            // 使用箭头函数的话，this的作用域并不会变，还是指向vmCart

            //     (res)=>{

            //     if(res.status == 200){

            //         this.totalMoney = res.data.result.totalMoney;

            //         this.list = res.data.result.list;

            //     }

            // }

            // 不使用箭头函数的场合

            // 如果要使用vmCart实例，

            // 就必须在mounted钩子函数里再调用一次$nextTick方法才能保证el被render在dom中

                //res 数据库返回的对象

                //res.data.result.list 返回的数据数组

                //console.log(res);

                res.status == 200 && (_this.productList = res.data.result.list ); //状态为200时执行后面语句

            })

            .catch(function(err){

                console.log('get data error...'); //从数据库获取数据出现问题

            })

        },

    }

});

3 测试是否获取数据

vue2购物车ch1-（安装依赖、简单配置、 axios获取api的模拟数据）获取成功

3.1 接下来故意将axios.then引入.catch回调中看是否有效 vue2购物车ch1-（安装依赖、简单配置、 axios获取api的模拟数据）

说明有效

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