vuex实现购物车页面

╰+哭是因爲堅強的太久メ 2022-04-12 09:26 298阅读 0赞

main.js

// The Vue build version to load with the `import` command
    // (runtime-only or standalone) has been set in webpack.base.conf with an alias.
    import Vue from 'vue'
    import App from './App'
    import router from './router'
    import Vuex from 'vuex'
    import VueLazyLoad from 'vue-lazyload' // 引入图片懒加载插件
    import infiniteScroll from 'vue-infinite-scroll'
    import {currency} from './util/currency' // 引入金额过滤器
    Vue.config.productionTip = false
    
    Vue.use(infiniteScroll);
    Vue.use(Vuex);
    // 使用并配置loading图片
    Vue.use(VueLazyLoad,{
      loading:"/static/loading-svg/loading-bars.svg"
    });
    
    Vue.filter("currency",currency); // 定义全局金额过滤器
    
    const store = new Vuex.Store({
      state: {
        nickName:'',
        cartCount:0
      },
      mutations: {
        //更新用户信息
        updateUserInfo(state, nickName) {
          state.nickName = nickName;
        },
        updateCartCount(state,cartCount){
          state.cartCount += cartCount;
        },
        initCartCount(state,cartCount){
          state.cartCount = cartCount;
        }
      }
    });
    
    /* eslint-disable no-new */
    new Vue({
      el: '#app',
      store,
      router,
      template: '<App/>',
      components: { App }
    });

NavHeader.vue 登录头文件

<template>
          <header class="header">
            <symbol id="icon-cart" viewBox="0 0 38 32">
              <title>cart</title>
              <path class="path1" d="M37.759 0h-4.133c-0.733 0.004-1.337 0.549-1.434 1.255l-0.546 4.342c-0.081 0.484-0.496 0.849-0.997 0.849-0.005 0-0.009-0-0.014-0h-27.604c-0.003 0-0.007-0-0.011-0-1.674 0-3.031 1.357-3.031 3.031 0 0.34 0.056 0.666 0.159 0.971l2.52 8.062c0.385 1.194 1.486 2.043 2.785 2.043 0.126 0 0.25-0.008 0.372-0.023l22.983 0.002c0.515 0.131 0.626 0.768 0.626 1.283 0.005 0.044 0.009 0.095 0.009 0.146 0 0.501-0.294 0.933-0.718 1.134l-22.439 0.003c-0.354 0-0.642 0.287-0.642 0.642s0.287 0.642 0.642 0.642h22.745l0.131-0.071c0.919-0.392 1.551-1.287 1.551-2.33 0-0.058-0.002-0.116-0.006-0.173 0.021-0.108 0.033-0.24 0.033-0.376 0-1.072-0.732-1.973-1.724-2.23l-23.357-0.004c-0.063 0.008-0.135 0.013-0.209 0.013-0.719 0-1.332-0.455-1.566-1.093l-2.53-8.095c-0.048-0.154-0.076-0.332-0.076-0.515 0-0.973 0.782-1.764 1.752-1.778h27.657c1.159-0.004 2.112-0.883 2.232-2.011l0.547-4.345c0.010-0.083 0.078-0.147 0.161-0.152l4.133-0c0.354 0 0.642-0.287 0.642-0.642s-0.287-0.642-0.642-0.642z"></path>
              <path class="path2" d="M31.323 9.69c-0.022-0.003-0.048-0.004-0.074-0.004-0.328 0-0.598 0.248-0.633 0.567l-0.809 7.268c-0.003 0.022-0.004 0.048-0.004 0.074 0 0.328 0.248 0.598 0.567 0.633l0.074 0c0.001 0 0.003 0 0.004 0 0.327 0 0.596-0.246 0.632-0.563l0.809-7.268c0.003-0.022 0.004-0.048 0.004-0.074 0-0.328-0.248-0.598-0.567-0.633z"></path>
              <path class="path3" d="M27.514 25.594c-1.769 0-3.203 1.434-3.203 3.203s1.434 3.203 3.203 3.203c1.769 0 3.203-1.434 3.203-3.203s-1.434-3.203-3.203-3.203zM27.514 30.717c-1.060 0-1.92-0.86-1.92-1.92s0.86-1.92 1.92-1.92c1.060 0 1.92 0.86 1.92 1.92s-0.86 1.92-1.92 1.92z"></path>
              <path class="path4" d="M9.599 25.594c-1.769 0-3.203 1.434-3.203 3.203s1.434 3.203 3.203 3.203c1.769 0 3.203-1.434 3.203-3.203s-1.434-3.203-3.203-3.203zM9.599 30.717c-1.060 0-1.92-0.86-1.92-1.92s0.86-1.92 1.92-1.92c1.060 0 1.92 0.86 1.92 1.92s-0.86 1.92-1.92 1.92z"></path>
            </symbol>
            <div class="navbar">
              <div class="navbar-left-container">
                <a href="/">
                  <img class="navbar-brand-logo" src="static/logo.png"></a>
              </div>
              <div class="navbar-right-container" style="display: flex;">
                <div class="navbar-menu-container">
                  
                  <span class="navbar-link" v-text="nickName" v-if="nickName"></span>
                  
                  <a href="javascript:void(0)" class="navbar-link" @click="loginModalFlag=true" v-if="!nickName">Login</a>
                  <a href="javascript:void(0)" class="navbar-link" @click="logOut" v-if="nickName">Logout</a>
                  <div class="navbar-cart-container">
                    <span class="navbar-cart-count"  v-text="cartCount" v-if="cartCount"></span>
                    <a class="navbar-link navbar-cart-link" href="/#/cart">
                      <svg class="navbar-cart-logo">
                        <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-cart"></use>
                      </svg>
                    </a>
                  </div>
                </div>
            <div class="md-modal modal-msg md-modal-transition" v-bind:class="{'md-show':loginModalFlag}">
              <div class="md-modal-inner">
                <div class="md-top">
                  <div class="md-title">Login in</div>
                  <button class="md-close" @click="loginModalFlag=false">Close</button>
                </div>
                <div class="md-content">
                  <div class="confirm-tips">
                    <div class="error-wrap">
                      <span class="error error-show" v-show="errorTip">用户名或者密码错误</span>
                    </div>
                    <ul>
                      <li class="regi_form_input">
                        <i class="icon IconPeople"></i>
                        <input type="text" tabindex="1" name="loginname" v-model="userName" class="regi_login_input regi_login_input_left" placeholder="User Name" data-type="loginname">
                      </li>
                      <li class="regi_form_input noMargin">
                        <i class="icon IconPwd"></i>
                        <input type="password" tabindex="2"  name="password" v-model="userPwd" class="regi_login_input regi_login_input_left login-input-no input_text" placeholder="Password" @keyup.enter="login">
                      </li>
                    </ul>
                  </div>
                  <div class="login-wrap">
                    <a href="javascript:;" class="btn-login" @click="login">登  录</a>
                  </div>
                </div>
              </div>
            </div>
            <div class="md-overlay" v-if="loginModalFlag" @click="loginModalFlag=false"></div>
              </div>
            </div>
          </header>
    </template>
    <script>
    import './../assets/css/login.css'
    import axios from 'axios'
    import { mapState } from 'vuex'
    export default {
            data(){
                return{
                  userName:'admin', // 用户名
                  userPwd:'123456', // 密码
                  errorTip:false, // 校验
                  loginModalFlag:false // 是否显示遮罩层
                }
            },
            computed:{
              // 三个点对数组的解构 mapState是vuex的一个函数
              ...mapState(['nickName','cartCount'])
              // nickName(){
              //   return this.$store.state.nickName;
              // },
              // cartCount(){
              //   return this.$store.state.cartCount;
              // }
            },
            mounted() {
              this.checkLogin();
            },
            methods: {
              checkLogin(){
                  axios.get("/users/checkLogin").then((response)=>{
                      var res = response.data;
                      var path = this.$route.pathname;
                      if(res.status=="0"){
                          this.$store.commit("updateUserInfo",res.result);
                          this.getCartCount();
                          this.loginModalFlag = false;
                      }
                  });
              },
              login(){ // 登录方法
                  if(!this.userName || !this.userPwd){
                    this.errorTip = true;
                    return;
                  }
                  axios.post("/users/login",{
                    userName:this.userName,
                    userPwd:this.userPwd
                  }).then((response)=>{
                    let res = response.data;
                    if(res.status=='0'){
                      this.errorTip = false;
                      this.loginModalFlag = false;
                      this.$store.commit("updateCartCount",res.result.userName); 
                      this.getCartCount();
                      // this.nickName = res.result.userName;
                    }else{
                      this.errorTip = true;
                    }
                  });
              },
              logOut(){
                axios.post("/users/logout").then((response)=>{
                  let res = response.data;
                  if(res.status=="0"){
                    // this.nickName = '';
                    this.$store.commit("updateUserInfo",'');
                  }
                })
              },
              getCartCount(){
                axios.get("users/getCartCount").then(res=>{
                  var res = res.data;
                  this.$store.commit("initCartCount",res.result);
                });
              }
            }
    }
    </script>

GoodsList.vue 商品列表闻文件

<template>
        <div>
          <nav-header></nav-header>
          <nav-bread>
            <span>Goods</span>
          </nav-bread>
          <div class="accessory-result-page accessory-page">
            <div class="container">
              <div class="filter-nav">
                <span class="sortby">Sort by:</span>
                <a href="javascript:void(0)" class="default cur">Default</a>
                <a @click="showFilterPop" href="javascript:void(0)" class="price">
                  Price 
                  <svg class="icon-arrow-short" 
                    v-bind:class="{'sort-up':sortFlag}">
                    <use xlink:href="#icon-arrow-short"></use>
                  </svg>
                </a>
                <a href="javascript:void(0)" class="filterby stopPop" @click="showFilterPop">Filter by</a>
              </div>
              <div class="accessory-result">
                
                <div class="filter stopPop" id="filter">
                  <dl class="filter-price">
                    <dt>Price:</dt>
                    <dd><a href="javascript:void(0)" v-bind:class="{'cur':priceChecked=='all'}" @click="priceChecked='all'">All</a></dd>
                    <dd v-for="(price,index) in priceFilter" :key="index">
                      <a href="javascript:void(0)" @click="setPriceFilter(index)" v-bind:class="{'cur':priceChecked==index}">{
       { price.startPrice }}-{
       { price.endPrice }}</a>
                    </dd>
                  </dl>
                </div>
    
                
                <div class="accessory-list-wrap">
                  <div class="accessory-list col-4">
                    <ul>
                      <li v-for="(item,index) in goodsList" :key="index">
                        <div class="pic">
                          <a href="#"><img v-lazy="'/static/'+item.productImage" alt=""></a>
                        </div>
                        <div class="main">
                          <div class="name">{
       {item.productName}}</div>
                          <div class="price">{
       {item.salePrice}}</div>
                          <div class="btn-area">
                            <a href="javascript:;" class="btn btn--m" @click="addCart(item.productId)">加入购物车</a>
                          </div>
                        </div>
                      </li>
                    </ul>
                    <div class="load-more" v-infinite-scroll="loadMore" infinite-scroll-disabled="busy" infinite-scroll-distance="30">
                        <img src="./../assets/loading-spinning-bubbles.svg" alt="" v-show="loading">
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
          
          <modal v-bind:mdShow="mdShow" v-on:close="closeModal">   
            <p slot="message">
              请先登录,否则无法加入到购物车中!
            </p>
            <div slot="btnGroup">
              <a class="btn btn--m" href="javascript:;" @click="mdShow = false">关闭</a>
            </div>
          </modal>
    
          <modal v-bind:mdShow="mdShowCart" v-on:close="closeModal">   
            <p slot="message">
                <svg class="icon-status-ok">
                  <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-status-ok"></use>
                </svg>
                <span>加入购物车成功!</span>
            </p>
            <div slot="btnGroup">
              <a class="btn btn--m" href="javascript:;" @click="mdShowCart = false">继续购物</a>
              <router-link class="btn btn--m" href="javascript:;" to="/cart">查看购物车</router-link>
            </div>
          </modal>
          <nav-footer></nav-footer>
       </div>
    </template>
    <script>
        import './../assets/css/base.css'
        import './../assets/css/product.css'
        import './../assets/css/checkout.css'
        import './../assets/css/login.css'
        import NavHeader from '@/components/NavHeader.vue'
        import NavFooter from '@/components/NavFooter.vue'
        import NavBread from '@/components/NavBread.vue'
        import Modal from './../components/Modal'
        import axios from 'axios'
        
        export default {
            data () {
                return {
                    goodsList: [],
                    sortFlag: true, // 排序字段
                    page:1, // 默认页
                    pageSize: 8, // 默认一页显示8条数据
                    busy:true,
                    loading:true,
                    mdShow:false, // 默认关闭全局模态框
                    mdShowCart:false,
                    // priceLevel:this.priceChecked, // 筛选选择价格
                    priceFilter:[
                      {
                          startPrice:'0.00',
                          endPrice:'100.00'
                      },
                      {
                        startPrice:'100.00',
                        endPrice:'500.00'
                      },
                      {
                        startPrice:'500.00',
                        endPrice:'1000.00'
                      },
                      {
                        startPrice:'1000.00',
                        endPrice:'5000.00'
                      }
                    ],
                    priceChecked:'all'
                    // filterBy:false,
                    // overLayFlag:false
                }
            },
            components: {
              NavHeader,
              NavFooter,
              NavBread,
              Modal
            },
            mounted () {
              this.getGoodList();
            },
            methods: {
              getGoodList (flag) {
                var param = { // 分页及排序参数
                  page:this.page,
                  pageSize: this.pageSize,
                  sort: this.sortFlag?1:-1,  // 升序是1 降序是-1
                  priceLevel: this.priceChecked
                }
                this.loading = true;
                axios.get("/goods/list", {params:param}).then((result)=>{
                  let res = result.data;
                  this.loading = false;
                  if(res.status=="0"){
                    if(flag){ // 如果是分页需要累计
                         // 将数组进行串联起来 concat表示将数组连接起来
                      this.goodsList = this.goodsList.concat(res.result.list);
                      if(res.result.count == 0){
                        this.busy = true;
                      } else {
                        this.busy = false;
                      }
                    } else { // 普通的请求
                      this.goodsList = res.result.list; 
                      this.busy = false;
                    }
                  } else {
                    this.goodsList = [];
                  }
                });
              },
              showFilterPop() { // 排序
                    // this.filterBy = true;
                    // this.overLayFlag = true;
                    this.sortFlag = ! this.sortFlag; // 点击后升序降序切换
                    this.page = 1; // 点击升降序后默认从第一页显示
                    this.getGoodList(); // 重新加载一次
              },
              loadMore () {
                  this.busy = true; // 在请求成功之前禁止再滚动加载
                  // 鼠标滚动实在太快了，滚动一秒钟可能有上千个请求，这样对服务器压力太大 因此必须要通过setTimeout来控制
                  // 只有第一个请求结束以后才能请求第二个
                  setTimeout(() => {
                      this.page++; // 滚动之后要给page++
                      this.getGoodList(true);
                  }, 500);
              },
              setPriceFilter(index) { // 价格过滤
                this.priceChecked = index;
                this.page = 1; // 价格过滤后分页从第一页重新开始
                this.getGoodList();
                // this.closePop();
              },
              addCart(productId) { // 添加购物车
                axios.post("/goods/addCart",{
                  productId:productId
                }).then((res)=>{ 
                  console.log(res);
                  if(res.data.status==0){
                    this.mdShowCart = true;
                    this.$store.commit("updateCartCount",1);
                  }else{
                    // alert("msg:"+res.data.msg);
                    this.mdShow = true;
                  }
                });
              },
              closeModal () {
                this.mdShow = false;
              }
              // ,
              // closePop() {
              //       this.filterBy = false;
              //       this.overLayFlag = false;
              // }
            }
        }
    </script>

Cart.vue 购物车文件

<template>
      <div>
        <nav-header></nav-header>
        <nav-bread>
          <span>My Cart</span>
        </nav-bread>
        <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 32 32">
              <title>ok</title>
              <path class="path1"
                    d="M31.020 0.438c-0.512-0.363-1.135-0.507-1.757-0.406s-1.166 0.435-1.529 0.937l-17.965 24.679-5.753-5.67c-0.445-0.438-1.035-0.679-1.664-0.679s-1.219 0.241-1.664 0.679c-0.917 0.904-0.917 2.375 0 3.279l7.712 7.6c0.438 0.432 1.045 0.681 1.665 0.681l0.195-0.008c0.688-0.057 1.314-0.406 1.717-0.959l19.582-26.9c0.754-1.038 0.512-2.488-0.538-3.233z"></path>
            </symbol>
            <symbol id="icon-edit" viewBox="0 0 32 32">
              <title>edit</title>
              <path class="path1"
                    d="M28.287 8.51l-4.805-4.806 0.831-0.831c0.472-0.472 1.086-0.777 1.564-0.777 0.248 0 0.452 0.082 0.622 0.253l3.143 3.144c0.539 0.54 0.133 1.529-0.524 2.186l-0.831 0.831zM26.805 9.992l-1.138 1.138-4.805-4.806 1.138-1.138 4.805 4.806zM24.186 12.612l-14.758 14.762-4.805-4.806 14.758-14.762 4.805 4.806zM7.379 28.288l-4.892 1.224 1.223-4.894 3.669 3.67zM31.123 4.011l-3.143-3.144c-0.567-0.567-1.294-0.867-2.103-0.867-1.036 0-2.174 0.52-3.045 1.391l-20.429 20.436c-0.135 0.134-0.23 0.302-0.276 0.487l-2.095 8.385c-0.089 0.355 0.017 0.736 0.276 0.995 0.198 0.198 0.461 0.307 0.741 0.307 0.085 0 0.171-0.010 0.254-0.031l8.381-2.096c0.185-0.047 0.354-0.142 0.487-0.276l20.43-20.436c1.409-1.41 2.042-3.632 0.524-5.15v0z"></path>
            </symbol>
            <symbol id="icon-del" viewBox="0 0 32 32">
              <title>delete</title>
              <path class="path1"
                    d="M11.355 4.129v-2.065h9.29v2.065h-9.29zM6.194 29.935v-23.742h19.613v23.742h-19.613zM30.968 4.129h-8.258v-3.097c0-0.569-0.463-1.032-1.032-1.032h-11.355c-0.569 0-1.032 0.463-1.032 1.032v3.097h-8.258c-0.569 0-1.032 0.463-1.032 1.032s0.463 1.032 1.032 1.032h3.097v24.774c0 0.569 0.463 1.032 1.032 1.032h21.677c0.569 0 1.032-0.463 1.032-1.032v-24.774h3.097c0.569 0 1.032-0.463 1.032-1.032s-0.463-1.032-1.032-1.032v0z"></path>
              <path class="path2"
                    d="M10.323 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
              <path class="path3"
                    d="M16 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
              <path class="path4"
                    d="M21.677 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
            </symbol>
            <symbol id="icon-clock" viewBox="0 0 32 32">
              <title>clock</title>
              <path class="path1" fill="#605f5f"
                    d="M16 29c-7.168 0-13-5.831-13-13s5.832-13 13-13c7.168 0 13 5.832 13 13s-5.832 13-13 13zM16 0c-8.822 0-16 7.178-16 16s7.178 16 16 16c8.822 0 16-7.178 16-16s-7.178-16-16-16z"></path>
              <path class="path2" fill="#605f5f"
                    d="M23.958 21.837l-6.958-6.489v-6.282c0-0.827-0.673-1.5-1.5-1.5s-1.5 0.673-1.5 1.5v6.934c0 0.414 0.174 0.814 0.477 1.098l7.435 6.934c0.279 0.259 0.642 0.402 1.023 0.402 0.415 0 0.814-0.174 1.096-0.477 0.564-0.605 0.532-1.555-0.073-2.12z"></path>
            </symbol>
          </defs>
        </svg>
        <div class="container">
          <div class="cart">
            <div class="page-title-normal">
              <h2 class="page-title-h2"><span>My Cart</span></h2>
            </div>
            <div class="item-list-wrap">
              <div class="cart-item">
                <div class="cart-item-head">
                  <ul>
                    <li>Items</li>
                    <li>Price</li>
                    <li>Quantity</li>
                    <li>Subtotal</li>
                    <li>Edit</li>
                  </ul>
                </div>
                <ul class="cart-item-list">
                  <li v-for="(item,index) in cartList" :key="index">
                    <div class="cart-tab-1">
                      <div class="cart-item-check">
                        <a href="javascipt:;" class="checkbox-btn item-check-btn" v-bind:class="{'check':item.checked=='1'}" @click="editCart('checked',item)">
                          <svg class="icon icon-ok">
                            <use xlink:href="#icon-ok"></use>
                          </svg>
                        </a>
                      </div>
                      <div class="cart-item-pic">
                        <img v-lazy="'/static/'+item.productImage" v-bind:alt="item.productName">
                      </div>
                      <div class="cart-item-title">
                        <div class="item-name">{
       {item.productName}}</div>
                      </div>
                    </div>
                    <div class="cart-tab-2">
                      <div class="item-price">{
       {item.salePrice | currency('$')}}</div>
                    </div>
                    <div class="cart-tab-3">
                      <div class="item-quantity">
                        <div class="select-self select-self-open">
                          <div class="select-self-area">
                            <a class="input-sub" @click="editCart('minu',item)">-</a>
                            <span class="select-ipt">{
       {item.productNum}}</span>
                            <a class="input-add" @click="editCart('add',item)">+</a>
                          </div>
                        </div>
                      </div>
                    </div>
                    <div class="cart-tab-4">
                      <div class="item-price-total">{
       {(item.productNum*item.salePrice) | currency('$') }}</div>
                    </div>
                    <div class="cart-tab-5">
                      <div class="cart-item-opration">
                        <a href="javascript:;" class="item-edit-btn" @click="delCartConfirm(item)">
                          <svg class="icon icon-del">
                            <use xlink:href="#icon-del"></use>
                          </svg>
                        </a>
                      </div>
                    </div>
                  </li>
                </ul>
              </div>
            </div>
            <div class="cart-foot-wrap">
              <div class="cart-foot-inner">
                <div class="cart-foot-l">
                  <div class="item-all-check">
                    <a href="javascipt:;" @click="toggleCheckAll">
                      <span class="checkbox-btn item-check-btn" v-bind:class="{'check':checkAllFlag}">
                          <svg class="icon icon-ok"><use xlink:href="#icon-ok"/></svg>
                      </span>
                      <span>Select all</span>
                    </a>
                  </div>
                </div>
                <div class="cart-foot-r">
                  <div class="item-total">
                    Item total: <span class="total-price">{
       {totalPrice | currency('$')}}</span>
                  </div>
                  <div class="btn-wrap">
                    <a class="btn btn--red" v-bind:class="{'btn--dis':checkedCount==0}" @click="checkOut">Checkout</a>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
        <Modal :mdShow="modalConfirm" @close="closeModal">
          <p slot="message">你确认要删除此条数据吗?</p>
          <div slot="btnGroup">
            <a class="btn btn--m" href="javascript:;" @click="delCart">确认</a>
            <a class="btn btn--m btn--red" href="javascript:;" @click="modalConfirm = false">关闭</a>
          </div>
        </Modal>
        <nav-footer></nav-footer>
      </div>
    </template>
    <style>
      .input-sub,.input-add{
        min-width: 40px;
        height: 100%;
        border: 0;
        color: #605F5F;
        text-align: center;
        font-size: 16px;
        overflow: hidden;
        display: inline-block;
        background: #f0f0f0;
      }
      .item-quantity .select-self-area{
        background:none;
        border: 1px solid #f0f0f0;
      }
      .item-quantity .select-self-area .select-ipt{
        display: inline-block;
        padding:0 3px;
        width: 30px;
        min-width: 30px;
        text-align: center;
      }
    </style>
    <script>
        import './../assets/css/checkout.css'
        import NavHeader from './../components/NavHeader'
        import NavFooter from './../components/NavFooter'
        import NavBread from './../components/NavBread'
        import Modal from './../components/Modal'
        import axios from 'axios'
        export default{
            data(){
                return{
                    cartList:[],
                    delItem:{},
                    modalConfirm:false
                }
            },
            mounted(){
                this.init();
            },
            computed:{ // 实时计算
              checkAllFlag() { // 如果选中的数目和购物车列表的数目相等就是全选
                return this.checkedCount == this.cartList.length;
              },
              checkedCount(){ // 获取选中的数目
                var i = 0;
                this.cartList.forEach((item)=>{
                  if(item.checked=='1')i++;
                })
                return i;
              },
              totalPrice(){ // 计算购物车选中的总金额
                var money = 0;
                this.cartList.forEach((item)=>{
                  if(item.checked=='1'){
                              // 单价成语数量
                    money += parseFloat(item.salePrice)*parseInt(item.productNum);
                  }
                })
                return money;
              }
            },
            components:{
              NavHeader,
              NavFooter,
              NavBread,
              Modal
            },
            methods:{
                init(){
                  axios.get("/users/cartList").then((response)=>{
                      let res = response.data;
                      this.cartList = res.result;
                  });
                },
                closeModal () {
                    this.modalConfirm = false;
                },
                delCartConfirm(item){
                    this.delItem = item;
                    this.modalConfirm = true;
                },
                delCart(){
                  axios.post("/users/cartDel",{
                    productId:this.delItem.productId
                  }).then((response)=>{
                      let res = response.data;
                      if(res.status == '0'){
                        this.modalConfirm = false;
                        this.$store.commit("updateCartCount",-this.delItem.productNum);
                        this.init();
                      }
                  });
                },
                toggleCheckAll(){ // 全选反选
                  var flag = !this.checkAllFlag;
                  this.cartList.forEach((item)=>{
                    item.checked = flag?'1':'0';
                  })
                  axios.post("/users/editCheckAll",{
                    checkAll:flag
                  }).then((response)=>{
                      let res = response.data;
                      if(res.status=='0'){
                          console.log("update suc");
                      }
                  })
                },
                editCart(flag,item){ // 购物车商品数量加减
                    if(flag=='add'){
                      item.productNum++;
                    }else if(flag=='minu'){
                      if(item.productNum<=1){ // 商品不得小于等于1
                        return;
                      }
                      item.productNum--;
                    }else{
                      item.checked = item.checked=="1"?'0':'1';
                    }
                    axios.post("/users/cartEdit",{
                      productId:item.productId,
                      productNum:item.productNum,
                      checked:item.checked
                    }).then((response)=>{
                        let res = response.data;
                        let num = 0;
                        if(flag=='add'){
                          num = 1;
                        }else if(flag=='minu'){
                          num = -1;
                        }
                        this.$store.commit("updateCartCount",num);
                    })
                },
                checkOut() { // 跳转至收货地址列表
                    if(this.checkedCount>0){ // 当选中商品数量小于0时不允许跳转
                        this.$router.push({
                            path:"/address"
                        });
                    }
                }
            }
        }
    </script>

node后端  users.js