vue如何实现简单的购物车

今天小编给大家分享一下vue如何实现简单的购物车的相关知识点，内容详细，逻辑清晰，相信大部分人都还太了解这方面的知识，所以分享这篇文章给大家参考一下，希望大家阅读完这篇文章后有所收获，下面我们一起来了解一下吧。

效果图如下

<template><div class="head">    <meta charset="UTF-8">    <title>我的购物车-品优购</title>    <meta name="description" content="品优购JD.COM-专业的综合网上购物商城,销售家电、数码通讯、电脑、家居百货、服装服饰、母婴、图书、食品等数万个品牌优质商品.便捷、诚信的服务，为您提供愉悦的网上购物体验!" />    <meta name="Keywords" content="网上购物,网上商城,手机,笔记本,电脑,MP3,CD,VCD,DV,相机,数码,配件,手表,存储卡,品优购" /><!--    &lt;!&ndash; 引入facicon.ico网页图标 &ndash;&gt;--><!--    <link rel="shortcut icon" href="favicon.ico" rel="external nofollow"  type="image/x-icon" />-->    <!-- 引入css 初始化的css 文件 -->    <link rel="stylesheet" href="class="lazy" data-src/assets/carStyle/base.css" rel="external nofollow" >    <!-- 引入公共样式的css 文件 -->    <link rel="stylesheet" href="class="lazy" data-src/assets/carStyle/common.css" rel="external nofollow" >    <!-- 引入car css -->    <link rel="stylesheet" href="class="lazy" data-src/assets/carStyle/car.css" rel="external nofollow" ></div>  <div class="body">    <div class="car-header">      <div class="w">        <div class="car-logo">          <img class="lazy" data-src="class="lazy" data-src/assets/images/logo.png" alt=""> <b>购物车</b>        </div>      </div>    </div>    <div class="c-container">      <div class="w">        <div class="cart-filter-bar">          <em>全部商品</em>        </div>        <!-- 购物车主要核心区域 -->        <div class="cart-warp">          <!-- 头部全选模块 -->          <div class="cart-thead">            <div class="t-checkbox">              <input type="checkbox" name="" id="" class="checkall"> 全选            </div>            <div class="t-goods">商品</div>            <div class="t-price">单价</div>            <div class="t-num">数量</div>            <div class="t-sum">小计</div>            <div class="t-action">操作</div>          </div>          <!-- 商品详细模块 -->          <div class="cart-item-list" v-for="(good,index) in cartList">            <div class="cart-item">              <div class="p-checkbox">                <input type="checkbox" v-model="good.isSelected" @click="oneSelected(index)">              </div>              <div class="p-goods">                <div class="p-img">                  <img v-bind:class="lazy" data-src=good.imgUrl alt="">                </div>                <div class="p-msg">{{good.message}}</div>              </div>              <div class="p-price">{{good.PriceItem}}</div>              <div class="p-num">                <div class="quantity-form">                  <el-button class="increment" @click="changeDe(index)">-</el-button>                  <input type="text" class="itxt" v-model=good.ItemNum placeholder="1">                  <el-button class="increment" @click="changeIn(index)">+</el-button>                </div>              </div>              <div class="p-sum">{{good.PriceSum}}</div>              <div class="p-action">                <el-button type="danger" @click="DeleteItem(id)">删除</el-button>              </div>            </div>          </div>          <!-- 结算模块 -->          <div class="cart-floatbar">            <div class="select-all">              <input type="checkbox" @click="allCheck" v-model="allSelected">全选            </div>            <div class="operation">              <a class="remove-batch" @click="DeleteSelected"> 删除选中的商品</a>              <a class="clear-all" @click="DeleteAll">清理购物车</a>            </div>            <div class="toolbar-right">              <div class="amount-sum">已经选<em>{{NumSum}}</em>件商品</div>              <div class="price-sum">总价： <em>{{totalPrice}}</em></div>              <div class="btn-area">去结算</div>            </div>          </div>        </div>      </div>    </div>  </div></template><script>import { defineComponent } from 'vue'export default defineComponent({  data(){    return{      allSelected:false,      cartList:[        {          imgUrl:'class="lazy" data-src/assets/upload/p1.jpg',          message:'【5本26.8元】经典儿童文学彩图青少版八十天环游地球中学生语文教学大纲',          PriceItem: 12.6,          PriceSum: 12.6,          ItemNum: 1,          isSelected:false        },        {          imgUrl:'class="lazy" data-src/assets/upload/p2.jpg',          message:'【2000张贴纸】贴纸书 3-6岁 贴画儿童 贴画书全套12册 贴画 贴纸儿童 汽',          PriceItem: 24.8,          PriceSum: 24.8,          ItemNum: 1,          isSelected:false        },        {          imgUrl:'class="lazy" data-src/assets/upload/p3.jpg',          message:'唐诗三百首+成语故事全2册 一年级课外书 精装注音儿童版 小学生二三年级课外阅读书籍',          PriceItem: 29.8,          PriceSum: 29.8,          ItemNum: 1,          isSelected:false        },      ]    }  },  methods:{     changeIn(id){       let n=this.cartList[id].ItemNum;       // console.log(n);       this.cartList[id].ItemNum++;       this.cartList[id].PriceSum = this.cartList[id].ItemNum * this.cartList[id].PriceItem;     },    changeDe(id){       if(this.cartList[id].ItemNum === 0)alert("该商品已经清0！");       else {         this.cartList[id].ItemNum--;         this.cartList[id].PriceSum = this.cartList[id].ItemNum * this.cartList[id].PriceItem;       }    },    DeleteItem(id){       // console.log(this.$parent);       // console.log(this.$children);      this.cartList.splice(id,1);    },    allCheck(){       // console.log(this.allSelected);     this.cartList.forEach((item)=>{       // console.log(this.allSelected);       // console.log(this.cartList);       item.isSelected=!this.allSelected;     })    },    DeleteSelected(){       for(let i=0;i<this.cartList.length;i++){         if(this.cartList[i].isSelected===true){           this.cartList.splice(i,1);         }       }    },    DeleteAll(){      this.cartList.splice(0,this.cartList.length);    },    oneSelected(id){       if(this.cartList[id].isSelected===false)         this.cartList[id].isSelected=true;       else         this.cartList[id].isSelected=false;      let n=0;      for(let i=0;i<this.cartList.length;i++){        if(this.cartList[i].isSelected===true)          n++;      }      if(n===this.cartList.length)this.allSelected=true;      else this.allSelected=false;    }  },  computed:{    NumSum() {      let num=0;      this.cartList.forEach((item)=>{        if(item.isSelected===true)        num++;      })      return num;    },    totalPrice() {      let totalp=0;      this.cartList.forEach((item)=>{        if(item.isSelected===true)          totalp += item.PriceSum;      })      return totalp;    },  }})</script><style lang="scss" scoped></style>

以上就是“vue如何实现简单的购物车”这篇文章的所有内容，感谢各位的阅读！相信大家阅读完这篇文章都有很大的收获，小编每天都会为大家更新不同的知识，如果还想学习更多的知识，请关注编程网行业资讯频道。