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Vue项目小米购物车_qq_51501183的博客

0 人参与  2022年01月05日 15:41  分类 : 《休闲阅读》  评论

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 1.vue小米购物车用到了 Vuex + localstorage，使用了vue2，创建项目用vue create xiaomi （名字）

 

 1.在Home.vue里面写

<template>
  <div class="home">
    <header>
      <span >首页</span>
    <router-link to="/about" class="span">购物车({{total}})</router-link>
    </header>
    <div class="list" v-for="item in list" :key="item.id">
    	<div class="left">
    		<img data-v-3ebe9018="" :src="item.img">
    	</div>
    	<div class="right">
    		<h3 class="title">{{item.name}}</h3>
    	<p class="slogan">{{item.slogan}}</p>
    	<p class="money">{{item.price}}</p>
    	<button class="button" @click="setShippingjiajian(item,'PLUS')">加入购物车</button>
    	</div>
    </div>
  </div>
</template>

<script>
import {mapState,mapGetters} from "vuex"

export default {
  name: 'Home',
  computed:{
    ...mapState(["list"]),
    ...mapGetters(["total"])
  },
  created(){
    this.$store.dispatch("setList")
  },
  methods:{
    setShippingjiajian(item,_type){
      console.log(item)
      this.$store.dispatch("setShippingjiajian",{
               id:item.id,
                name:item.name,
                price:item.price,
                img:item.img,
                slogan:item.slogan,
                // 这个_type是定义加减的
                _type
      })
    }
  }
}
</script>
<style scoped>
	.home{
		width: 100%;
	}
header{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 0.44rem;
  background: #ff6704;
  color: #fff;
  font-size: 0.18rem;
  display: fixed;
}
.span{
  position: absolute;
    right: 0.15rem;
    top: 0.15rem;
    font-size: 0.14rem;
}
.list{
	border-bottom: 1px solid #ddd;
  background: #fff;
	display: flex;
	flex-direction: row;
}
.left img{
	width: 0.94rem;
	height: 0.94rem;
}
.right{
	  flex: 1;
    overflow: hidden;
    height: 1.2rem;
    padding: 0.1rem 0.1rem 0.1rem 0.13rem;
    box-sizing: border-box;
}
.title{
	    color: #333;
    font-size: 0.16rem;
}
.slogan{
	margin-top: 0.05rem;
    color: #999;
    font-size: 0.12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.money{
	margin-top: 0.15rem;
    color: #ff6704;
    font-size: 0.14rem;
}
.button{
    float: right;
    width: 0.8rem;
    height: 0.2rem;
    font-size: 0.12rem;
    border: 1px solid #ff6704;
    color: #ff6704;
    border-radius: 0.02rem;
    background-color: #fff;
}
</style>

 

 

 2.在About.vue里面写

<template>
  <div class="about">
    <header>
      <span>购物车</span>
      <router-link to="/" class="span">返回</router-link>
    </header>
     <div class="list" v-for="item in shipping" :key="item.id">
        <div class="left">
            <img :src="item.img" alt="">
        </div>
        <div class="right">
            <h3 class="title">{{item.name}}</h3>
            <p class="slogan">{{item.slogan}}</p>
            <p class="money">{{item.price}}</p>
            <div class="button">
               <button class="an" @click="handle(item.id,item.price,'PLUS')">+</button>
              <p class="cen">{{item.mount}}</p>
               <button class="an"  @click="handle(item.id,item.price,'REDUCE')">-</button>
            </div>
        </div>
    </div>
    <div class="footer">总价{{zong}}</div>
  </div>
</template>
<script>
import { mapState , mapActions} from "vuex"

	export default({
    computed:{
      ...mapState(["shipping"]),
      shipping(){
     return this.$store.state.shipping
    },
    zong(){
      let zongji=0
      this.shipping.map(v=>{
        zongji +=(v.mount*v.price)
      })
      localStorage.setItem('totalPrice', JSON.stringify(zongji))
      return zongji
    }
    },
    methods:{
      ...mapActions(['getShipping']),
        handle(id,price,_type){
      this.$store.dispatch('setshipping',{
        id,
        price,
        _type
      })
    }
    },
   mounted(){
     this.getShipping()
   }
  
  })
</script>
<style scoped>
	header{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 0.44rem;
  background: #ff6704;
  color: #fff;
  font-size: 0.18rem;
  display: fixed;
}
.span{
  position: absolute;
    left: 0.15rem;
    top: 0.15rem;
    font-size: 0.14rem;
}
.list{
	border-bottom: 1px solid #ddd;
  background: #fff;
	display: flex;
	flex-direction: row;
}
.left img{
	width: 0.94rem;
	height: 0.94rem;
}
.right{
	  flex: 1;
    overflow: hidden;
    height: 1.2rem;
    padding: 0.1rem 0.1rem 0.1rem 0.13rem;
    box-sizing: border-box;
}
.title{
	    color: #333;
    font-size: 0.16rem;
}
.slogan{
	margin-top: 0.05rem;
    color: #999;
    font-size: 0.12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.money{
	margin-top: 0.15rem;
    color: #ff6704;
    font-size: 0.14rem;
}
.button{
    float: right;
    width: 0.8rem;
    height: 0.2rem;
    font-size: 0.12rem;
}
.an{
 width: 0.2rem;
    height: 0.2rem;
    border: 0.01rem solid #999;
    border-radius: 50%;
    font-size: 0.14rem;
    line-height: 0.08rem;
    background-color: #fff;
    float: left;
}
.cen{
  float: left;
  width: 0.2rem;
  height: 0.2rem;
 border: 1px solid #333;
 line-height: 0.2rem;
 text-align: center;
}
.footer{
position: absolute;
bottom: 0;
width: 100%;
background-color: #ff6704;
color: white;
height: 0.8rem;
}

</style>

 3.store目录下的index.js文件里面写

import Vue from 'vue'
import Vuex from 'vuex'

Vue.use(Vuex)

export default new Vuex.Store({
  state: {
    list:[],
    shipping:[],//购物车页
   

  },
  mutations: {
    // 渲染数
    SET_LIST(state,data) {
      state.list=data
    },
  //  加入购物车
  SET_SHipping(state,data){
    const {id,img,name,price,slogan,_type}=data;
    const index = state.shipping.findIndex(item=>item.id==id);

    if(index==-1){
      state.shipping.push({
        id,img,name,price,slogan,_type,
        mount:1,
        tPrice:price
      })
    }else{
      let item=state.shipping[index];
      if(_type=='PLUS'){

        item.mount+=1;
        item.tPrice+=price;
      }else if(_type=='REDUCE'){
        

        if(item.mount>1){
          item.mount-=1;
          item.tPrice-=price;
        }else{
          alert("数量不能再减少了")
        }
      }
    }

    localStorage.setItem('shipping',JSON.stringify(state.shipping));
  },
  // 让购物车的数据刷新不掉
  SET_SHP(state,data) {
      state.shipping=data
    },
  },
  actions: {
    setList({commit}){
      const list=JSON.parse(localStorage.getItem("list"))||[];
      commit("SET_LIST",list)
    },
    
    setshipping({commit},data){
      commit("SET_SHipping",data)
    },
    getShipping({commit}){
      const shipping=JSON.parse(localStorage.getItem("shipping"))||[];
      commit("SET_SHP",shipping)
    },
    setShippingjiajian({commit},data){
      console.log(data)
      commit("SET_SHipping",data)
    },
  },
  modules: {
  },
  // 数量
  getters:{
    total(state){
return state.shipping.reduce((pre,item)=>{
  return pre+item.mount
},0)
    }
  }
})

 

 5.list购物车里面的数据

list: [
      {
        "id": 1,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 1999,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 2,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 2999,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 3,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 3999,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 4,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 4999,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 5,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 999,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 6,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 2999,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 7,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 1999,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 8,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 699,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 9,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 799,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 10,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 1099,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 11,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 1199,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 12,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 1299,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 13,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 1399,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 14,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 1499,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 15,
        "name": "小米9 SE",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5652bd7a2f8bd6daaa1dd4b5c3c2e9b3.jpg",
        "price": 15999,
        "slogan": "新品看点：弹出式肩键｜真实机械感反馈",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      },
      {
        "id": 16,
        "name": "Redmi K40 游戏增强版",
        "img": "https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/61454401f855cf5ed64747a6ac04bae5.jpg",
        "price": 17999,
        "slogan": "新品看点：年度旗舰骁龙870，新一代 E4 AMOLED旗舰直屏",
        "totalMount": 0,
        "totolPrice": 0,
        "num":1
      }
    ]

 

 


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