import Vue from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'
Vue.config.productionTip = false

// 引入rem
import "./rem"
// 引入axios
import axios from 'axios'
// 將axios添加到vue的原型上
Vue.prototype.$axios = axios

new Vue({
  router,
  store,
  render: h => h(App)
}).$mount('#app')

const WIDTH = 375//如果是尺寸的設(shè)計(jì)稿在這里修改
const setView = () => {
    //設(shè)置html標(biāo)簽的fontSize
    document.documentElement.style.fontSize = (100 * document.documentElement.clientWidth / WIDTH) + 'px'
}
window.onresize = setView
setView()

const { defineConfig } = require('@vue/cli-service')
module.exports = defineConfig({
  transpileDependencies: true,
  // 解決跨域問(wèn)題
  devServer:{
    proxy:{
     '/api':{    
       target: 'http://192.168.1.13:8765/',
       pathRewrite:{
         '^/api': ''
       }
     }
    }
  }
})

import Vue from 'vue'
import VueRouter from 'vue-router'
import Home from '@/views/Home.vue'

Vue.use(VueRouter)
// 配置路由跳轉(zhuǎn)項(xiàng)
const routes = [
  {
    path:'/',
    name:'Home',
    component: Home
  },
  {
    path:'/detail',
    name:'Detail',
    component: ()=> import('@/views/Detail.vue')
  },
  {
    path:'/shopping',
    name:'Shopping',
    component: ()=> import('@/views/Shopping.vue')
  }
]

const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes,
  
})

export default router

<template>
  <div id="app">
    <div class="lists">
      <!-- 切換頁(yè) -->
      <router-link to="/">首頁(yè)</router-link>
      <router-link to="/shopping"
        >購(gòu)物車<span v-show="total">{{ total }}</span></router-link
      >
    </div>

    <!-- 路由的出口，所有的數(shù)據(jù)都在這里顯示 -->
    <router-view></router-view>
  </div>
</template>
<script>
import { mapState } from "vuex";
export default {
  data() {
    return {};
  },
  computed: {
    ...mapState(["lists"]),
    total() {
      let num = 0;
      this.lists.map((item) => {
        num += item.num;
      });
      return num;
    },
  },
};
</script>
<style lang="scss">
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 16px;
}
#app {
  .lists {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    height: 0.5rem;
    border-top: 1px solid gainsboro;
    background-color: #fff;
    position: fixed;
    bottom: 0;
    left: 0;
    a {
      display: inline-block;
      width: 50%;
      height: 0.5rem;
      color: #000;
      text-align: center;
      line-height: 0.5rem;
      text-decoration: none;
      position: relative;
      span {
        display: inline-block;
        width: 0.2rem;
        height: 0.2rem;
        background-color: red;
        border-radius: 50%;
        color: #000;
        text-align: center;
        line-height: 0.2rem;
        position: absolute;
        top: 0.09rem;
        left: 30%;
        opacity: 0.8;
      }
      &.router-link-exact-active {
        color: red;
      }
    }
  }
}
</style>

<template>
  <div class="home-box">
    <ul>
      <!-- 聲明式導(dǎo)航，通過(guò)query把id值傳遞至詳情頁(yè)中 -->
      <!-- 給 list 屬性執(zhí)行for循環(huán) -->
      <router-link
        :to="{ name: 'Detail', query: { id: item.id } }"
        class="home-row"
        v-for="item in list"
        :key="item.id"
      >
        <span class="left">
          <!-- 圖片 -->
          <img :src="item.imgsrc" />
        </span>
        <span class="right">
          <!-- 名稱 -->
          <h3>{{ item.name }}</h3>
          <p>
            <!-- 價(jià)格 -->
            <b>￥{{ item.price }}</b>
          </p>
        </span>
      </router-link>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      list: [],
    };
  },
  created() {
    // 進(jìn)入頁(yè)面時(shí)執(zhí)行該方法
    this.request();
  },
  methods: {
    // 請(qǐng)求
    request() {
      // 請(qǐng)求到所以數(shù)據(jù)
      this.$axios.get(`/api/meishi?star=1&num=15`).then((res) => {
        // 把請(qǐng)求到的數(shù)據(jù)賦值給list
        this.list = res.data;
      });
    },
  },
};
</script>

<style lang="scss" scoped>
.home-box {
  width: 100%;
  background-color: #f6f6f6;
  display: flex;
  justify-content: center;
  ul {
    margin: 0 0.2rem;
    .home-row {
      width: 3.55rem;
      height: 1rem;
      color: #000;
      margin-top: 0.1rem;
      text-decoration: none;
      padding: 0.1rem;
      display: inline-block;
      background-color: #fff;
      display: flex;
      justify-content: center;
      .left {
        img {
          width: 0.8rem;
        }
      }
      .right {
        padding-left: 0.2rem;
        h3 {
          width: 2.35rem;
          font-size: 0.18rem;
          white-space: nowrap;
          text-overflow: ellipsis;
          overflow: hidden;
        }
        p {
          padding-top: 0.2rem;
          font-size: 0.14rem;
          text-align: center;
          display: -webkit-box; //對(duì)象作為彈性伸縮盒子模型顯示
          overflow: hidden; //溢出隱藏
          -webkit-box-orient: vertical; //設(shè)置伸縮盒子對(duì)象的子元素的排列方式
          -webkit-line-clamp: 2; //設(shè)置 塊元素包含的文本行數(shù)
        }
      }
    }
  }
}
</style>

<template>
  <div class="detail-box">
    <span>
      <!-- 圖片 -->
      <img :src="list.imgsrc" />
    </span>
    <span>
      <!-- 名稱 -->
      <h3>{{ list.name }}</h3>
    </span>
    <span>
      <!-- 介紹 -->
      <p>{{ list.contents.content.toString() }}</p>
    </span>
    <span>
      <p>
        <!-- 價(jià)格 -->
        <b>￥{{ list.price }}</b>
      </p>
    </span>
    <span>
      <!-- 點(diǎn)擊跳轉(zhuǎn)至購(gòu)物車頁(yè)面，并添加當(dāng)前頁(yè)面內(nèi)容至購(gòu)物車。同時(shí)執(zhí)行兩個(gè)點(diǎn)擊事件-->
      <button @click="ShoppingClick(), isends()">加入購(gòu)物車</button>
      <!-- 添加時(shí)的樣式 -->
      <span :class="['js_animation_box', isEnd ? 'end' : '']">
        <img :src="list.imgsrc" />
      </span>
    </span>
  </div>
</template>

<script>
// 引入vuex里的輔助函數(shù)
import { mapState } from "vuex";
export default {
  data() {
    return {
      list: [],
      isEnd: false,
    };
  },
  computed: {
    // 獲取vuex里面的值
    ...mapState(["lists"]),
  },
  created() {
    // 進(jìn)入時(shí)執(zhí)行請(qǐng)求
    this.request();
  },
  methods: {
    // 請(qǐng)求
    request() {
      // 使用axios請(qǐng)求所需下標(biāo)的參數(shù)
      this.$axios.get(`/api/meishi?id=${this.$route.query.id}`).then((res) => {
        // 把請(qǐng)求到的值賦值給data里的list參數(shù)
        this.list = res.data;
      });
    },
    // 加入購(gòu)物車
    ShoppingClick() {
      // 自定義添加的內(nèi)容
      let arr = {
        // 單選框
        checked: true,
        // id值
        id: this.lists.length + 1,
        // 圖片鏈接
        img: this.list.imgsrc,
        // name名稱
        name: this.list.name,
        // 單價(jià)
        Price: this.list.price,
        // 數(shù)量
        num: 1,
      };
      // 觸發(fā)vuex里的功能，把自定義的內(nèi)容傳遞值vuex
      this.$store.commit("ShoppingClick", arr);
      // 編程式導(dǎo)航，跳轉(zhuǎn)至購(gòu)物車頁(yè)面，等樣式執(zhí)行完畢后跳轉(zhuǎn)
      setTimeout(() => {
        this.$router.push({
          name: "Shopping",
        });
      }, 500);
    },
    isends() {
      // 添加至購(gòu)物車時(shí)的樣式
      this.isEnd = true;
      setTimeout(() => {
        this.isEnd = false;
      }, 500);
    },
  },
};
</script>

<style lang="scss" scoped>
.detail-box {
  width: 100%;
  height: 100vh;
  background-color: #f6f6f6;
  span {
    display: inline-block;
    margin: 0 0.05rem;
    display: flex;
    justify-content: center;
    img {
      width: 3.65rem;
      height: 3.65rem;
    }
    h3 {
      font-size: 0.2rem;
      margin-top: 0.15rem;
    }
    p {
      margin-top: 0.15rem;
    }
    // 添加開(kāi)始時(shí)的動(dòng)畫(huà)效果
    .js_animation_box {
      display: inline-block;
      width: 0.2rem;
      height: 0.2rem;
      opacity: 0;
      transition: 0.5s all;
      position: fixed;
      bottom: 80%;
      left: 48%;
      img {
        width: 0.2rem;
        height: 0.2rem;
      }
    }
    // 添加結(jié)束后的動(dòng)畫(huà)效果
    .js_animation_box.end {
      opacity: 1;
      position: fixed;
      bottom: 0.2rem;
      left: 60%;
    }
  }
}
</style>

<template>
  <div class="Shopping-box">
    <div class="top">購(gòu)物車</div>
    <ul class="content">
      <!-- 循環(huán) -->
      <li class="Shopping-row" v-for="item in lists" :key="item.id">
        <!-- 單選框 -->
        <input type="checkbox" v-model="item.checked" @change="checkClick" />
        <!-- 圖片 -->
        <img :src="item.img" alt="" />
        <div class="row-right">
          <span class="name">{{ item.name }}</span>
          <!-- 單個(gè)價(jià)格 -->
          <p class="price">￥{{ item.Price * item.num }}</p>
          <span class="number">
            <!-- 點(diǎn)擊實(shí)現(xiàn)單個(gè)加一 -->
            <button @click="addClick(item)">+</button>
            <!-- 單個(gè)數(shù)量 -->
            <input type="text" v-model="item.num" />
            <!-- 點(diǎn)擊實(shí)現(xiàn)單個(gè)減一 -->
            <button @click="subtract(item)">-</button>
          </span>
        </div>
      </li>
    </ul>
    <div class="bottom">
      <span>
        <input type="checkbox" v-model="alls" @change="AllClick" />
        全選
      </span>
      <!-- 總價(jià) -->
      <span>總計(jì)：￥{{ total }}</span>
    </div>
  </div>
</template>

<script>
// 引入 vuex 的輔助函數(shù)
import { mapState } from "vuex";
export default {
  data() {
    return {};
  },
  computed: {
    // 獲取vuex里面的值
    ...mapState(["lists", "alls", "number"]),
    // 總計(jì)
    total() {
      // 聲明一個(gè)變量 num ，默認(rèn)為0
      let num = 0;
      // 給 lists 數(shù)組進(jìn)行 map 循環(huán)
      this.lists.map((item) => {
        // 判斷是否選中
        if (item.checked) {
          // num += 數(shù)量 乘以 單價(jià)
          // +=代表：a+=2 a=a+2
          num += item.num * item.Price;
        }
      });
      // 把 num 值 return 給 total
      return num;
    },
  },
  created() {
    this.$store.commit("createds");
  },
  methods: {
    // 全選
    AllClick() {
      // 觸發(fā)vuex里的同步提交
      this.$store.commit("AllClick");
    },
    // 單選
    checkClick() {
      // 觸發(fā)vuex里的同步提交
      this.$store.commit("checkClick");
    },
    // 單個(gè)數(shù)量加
    addClick(item) {
      // 觸發(fā)vuex里的同步提交
      this.$store.commit("addClick", item);
    },
    // 單個(gè)數(shù)量減
    subtract(item) {
      // 觸發(fā)vuex里的同步提交，把 item 代表的值傳遞過(guò)去
      this.$store.commit("subtract", item);
    },
  },
};
</script>

<style lang="scss" scoped>
.Shopping-box {
  width: 100%;
  //   height: 100vh;
  min-height: 100vh;
  background-color: #f6f6f6;

  .top {
    width: 100%;
    height: 0.5rem;
    text-align: center;
    line-height: 0.5rem;
    font-size: 0.2rem;
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
  }
  .content {
    width: 3.55rem;
    margin: 0 0.1rem;
    overflow: hidden;
    .Shopping-row:first-child {
      margin-top: 0.6rem;
    }
    .Shopping-row:last-child {
      margin-bottom: 0.6rem;
    }
    .Shopping-row {
      height: 1rem;
      margin-top: 0.12rem;
      padding: 0.1rem;
      background-color: #fff;
      display: flex;
      justify-content: center;

      img {
        width: 0.8rem;
        height: 0.8rem;
        margin: 0 0.1rem;
      }
      .row-right {
        .name {
          display: inline-block;
          width: 2.3rem;
          font-weight: 800;
          font-size: 0.18rem;
          white-space: nowrap;
          text-overflow: ellipsis;
          overflow: hidden;
        }
        .price {
          color: red;
          font-size: 0.16rem;
        }
        .number {
          height: 0.2rem;
          display: inline-block;
          border: 1px solid #f6f6f6;
          border-radius: 50%;
          line-height: 0.3rem;
          button {
            width: 0.2rem;
            border-radius: 50%;
            border: none;
            text-align: center;
          }
          input {
            text-align: center;
            width: 0.3rem;
            border: none;
          }
        }
      }
    }
  }
  .bottom {
    width: 3.75rem;
    height: 0.5rem;
    padding: 0 0.1rem;
    display: flex;
    line-height: 0.5rem;
    font-size: 0.16rem;
    background-color: #fff;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    left: 0;
  }
}
</style>

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

Vue.use(Vuex)

export default new Vuex.Store({
  // 頁(yè)面刷新時(shí)調(diào)用
  state: {
    // 如果有本地存儲(chǔ)則顯示否則顯示空數(shù)組
    lists:JSON.parse(localStorage.getItem('list')) || [],
    // 全選框
    alls:false,
  },
  getters: {
  },
  mutations: {
    createds(state){
      let arr = state.lists.filter((item) => {
        // 返回checked為true的值
        return item.checked;
      });
      // 判斷l(xiāng)ists里checked為true值得長(zhǎng)度是否等于所以的長(zhǎng)度，如果等于則全選框選中，否則不選中
      arr.length == state.lists.length ? (state.alls = true) : (state.alls = false);
    },
    // 加入購(gòu)物車
    ShoppingClick(state,data){
      // 給 lists 進(jìn)行 some 循環(huán) 
      let a = state.lists.some((item)=>{
        // lists 里存在的和添加的name名相同則返回true，否則返回false
        return item.name == data.name
      })
      // 判斷出加入購(gòu)物車時(shí)已經(jīng)存在的下標(biāo)
      let num = 0
      for(let i=0; i<state.lists.length; i++){
        if(state.lists[i].name == data.name){
          num = i
        }
      }
      // 判斷 添加的內(nèi)容購(gòu)物車內(nèi)是否已經(jīng)存在
      if(a){
        // 已經(jīng)存在則數(shù)量加一
        state.lists[num].num = state.lists[num].num+1
        // 并且進(jìn)行選中
        state.lists[num].checked = true
        // 保存至本地
        localStorage.setItem('list',JSON.stringify(state.lists))
      }else{
        // 如果不存在則添加
        state.lists.push(data)
        // 保存至本地
        localStorage.setItem('list',JSON.stringify(state.lists))
      }
      this.commit('createds')
    },
    // 全選
    AllClick(state){
      // 把全選的值改為相反
      state.alls = !state.alls
      // 循環(huán)lists
      state.lists.some((item)=>{
        // lists里input框的值，等于全選的值
        item.checked = state.alls
      })
      // 保存至本地
      localStorage.setItem('list',JSON.stringify(state.lists))
    },
    // 單選
    checkClick(state){
      // 給lists進(jìn)行過(guò)濾
      let arr = state.lists.filter((item) => {
        // 返回checked為true的值
        return item.checked;
      });
      // 判斷l(xiāng)ists里checked為true值得長(zhǎng)度是否等于所以的長(zhǎng)度，如果等于則全選框選中，否則不選中
      arr.length == state.lists.length ? (state.alls = true) : (state.alls = false);
      // 保存至本地
      localStorage.setItem('list',JSON.stringify(state.lists))
    },
    // 單個(gè)價(jià)格加
    addClick(state,item){
      // 傳遞過(guò)來(lái)的當(dāng)前列表里的num加1
      item.num = item.num+1
      // console.log(state.number);
      // 保存至本地
      localStorage.setItem('list',JSON.stringify(state.lists))
    },
    // 單個(gè)價(jià)格減
    subtract(state,item){
      // 判斷數(shù)量是否大于1
      if(item.num>1){
        // 大于1則執(zhí)行，傳遞過(guò)來(lái)的當(dāng)前列表里的num減1
        item.num = item.num-1
        // 保存至本地
        localStorage.setItem('list',JSON.stringify(state.lists))
      }
    }
  },
  actions: {
  },
  modules: {
  }
})