整体认识

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路由配置

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准备组件模版

<script setup>


</script>

<template>
  <div class="xtx-goods-page">
    <div class="container">
      <div class="bread-container">
        <el-breadcrumb separator=">">
          <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
          <el-breadcrumb-item :to="{ path: '/' }">母婴
          </el-breadcrumb-item>
          <el-breadcrumb-item :to="{ path: '/' }">跑步鞋
          </el-breadcrumb-item>
          <el-breadcrumb-item>抓绒保暖,毛毛虫子儿童运动鞋</el-breadcrumb-item>
        </el-breadcrumb>
      </div>
      <!-- 商品信息 -->
      <div class="info-container">
        <div>
          <div class="goods-info">
            <div class="media">
              <!-- 图片预览区 -->

              <!-- 统计数量 -->
              <ul class="goods-sales">
                <li>
                  <p>销量人气</p>
                  <p> 100+ </p>
                  <p><i class="iconfont icon-task-filling"></i>销量人气</p>
                </li>
                <li>
                  <p>商品评价</p>
                  <p>200+</p>
                  <p><i class="iconfont icon-comment-filling"></i>查看评价</p>
                </li>
                <li>
                  <p>收藏人气</p>
                  <p>300+</p>
                  <p><i class="iconfont icon-favorite-filling"></i>收藏商品</p>
                </li>
                <li>
                  <p>品牌信息</p>
                  <p>400+</p>
                  <p><i class="iconfont icon-dynamic-filling"></i>品牌主页</p>
                </li>
              </ul>
            </div>
            <div class="spec">
              <!-- 商品信息区 -->
              <p class="g-name"> 抓绒保暖,毛毛虫儿童鞋 </p>
              <p class="g-desc">好穿 </p>
              <p class="g-price">
                <span>200</span>
                <span> 100</span>
              </p>
              <div class="g-service">
                <dl>
                  <dt>促销</dt>
                  <dd>12月好物放送,App领券购买直降120</dd>
                </dl>
                <dl>
                  <dt>服务</dt>
                  <dd>
                    <span>无忧退货</span>
                    <span>快速退款</span>
                    <span>免费包邮</span>
                    <a href="javascript:;">了解详情</a>
                  </dd>
                </dl>
              </div>
              <!-- sku组件 -->

              <!-- 数据组件 -->

              <!-- 按钮组件 -->
              <div>
                <el-button size="large" class="btn">
                  加入购物车
                </el-button>
              </div>

            </div>
          </div>
          <div class="goods-footer">
            <div class="goods-article">
              <!-- 商品详情 -->
              <div class="goods-tabs">
                <nav>
                  <a>商品详情</a>
                </nav>
                <div class="goods-detail">
                  <!-- 属性 -->
                  <ul class="attrs">
                    <li v-for="item in 3" :key="item.value">
                      <span class="dt">白色</span>
                      <span class="dd">纯棉</span>
                    </li>
                  </ul>
                  <!-- 图片 -->

                </div>
              </div>
            </div>
            <!-- 24热榜+专题推荐 -->
            <div class="goods-aside">

            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>


<style scoped lang='scss'>
.xtx-goods-page {
  .goods-info {
    min-height: 600px;
    background: #fff;
    display: flex;

    .media {
      width: 580px;
      height: 600px;
      padding: 30px 50px;
    }

    .spec {
      flex: 1;
      padding: 30px 30px 30px 0;
    }
  }

  .goods-footer {
    display: flex;
    margin-top: 20px;

    .goods-article {
      width: 940px;
      margin-right: 20px;
    }

    .goods-aside {
      width: 280px;
      min-height: 1000px;
    }
  }

  .goods-tabs {
    min-height: 600px;
    background: #fff;
  }

  .goods-warn {
    min-height: 600px;
    background: #fff;
    margin-top: 20px;
  }

  .number-box {
    display: flex;
    align-items: center;

    .label {
      width: 60px;
      color: #999;
      padding-left: 10px;
    }
  }

  .g-name {
    font-size: 22px;
  }

  .g-desc {
    color: #999;
    margin-top: 10px;
  }

  .g-price {
    margin-top: 10px;

    span {
      &::before {
        content: "¥";
        font-size: 14px;
      }

      &:first-child {
        color: $priceColor;
        margin-right: 10px;
        font-size: 22px;
      }

      &:last-child {
        color: #999;
        text-decoration: line-through;
        font-size: 16px;
      }
    }
  }

  .g-service {
    background: #f5f5f5;
    width: 500px;
    padding: 20px 10px 0 10px;
    margin-top: 10px;

    dl {
      padding-bottom: 20px;
      display: flex;
      align-items: center;

      dt {
        width: 50px;
        color: #999;
      }

      dd {
        color: #666;

        &:last-child {
          span {
            margin-right: 10px;

            &::before {
              content: "•";
              color: $xtxColor;
              margin-right: 2px;
            }
          }

          a {
            color: $xtxColor;
          }
        }
      }
    }
  }

  .goods-sales {
    display: flex;
    width: 400px;
    align-items: center;
    text-align: center;
    height: 140px;

    li {
      flex: 1;
      position: relative;

      ~li::after {
        position: absolute;
        top: 10px;
        left: 0;
        height: 60px;
        border-left: 1px solid #e4e4e4;
        content: "";
      }

      p {
        &:first-child {
          color: #999;
        }

        &:nth-child(2) {
          color: $priceColor;
          margin-top: 10px;
        }

        &:last-child {
          color: #666;
          margin-top: 10px;

          i {
            color: $xtxColor;
            font-size: 14px;
            margin-right: 2px;
          }

          &:hover {
            color: $xtxColor;
            cursor: pointer;
          }
        }
      }
    }
  }
}

.goods-tabs {
  min-height: 600px;
  background: #fff;

  nav {
    height: 70px;
    line-height: 70px;
    display: flex;
    border-bottom: 1px solid #f5f5f5;

    a {
      padding: 0 40px;
      font-size: 18px;
      position: relative;

      >span {
        color: $priceColor;
        font-size: 16px;
        margin-left: 10px;
      }
    }
  }
}

.goods-detail {
  padding: 40px;

  .attrs {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;

    li {
      display: flex;
      margin-bottom: 10px;
      width: 50%;

      .dt {
        width: 100px;
        color: #999;
      }

      .dd {
        flex: 1;
        color: #666;
      }
    }
  }

  >img {
    width: 100%;
  }
}

.btn {
  margin-top: 20px;

}

.bread-container {
  padding: 25px 0;
}
</style>

配置路由

const router = createRouter({
  history: createWebHistory(import.meta.env.BASE_URL),
  // path和component对应关系的位置
  routes: [
    {
      path: '/',
      component: Layout,
      children: [
        {
          path: '',
          component: Home
        },
        {
          path: 'category/:id',
          component: Category
        },
        {
          path: 'category/sub/:id',
          component: SubCategory
        },
        {
          path: 'detail/:id',
          component: Detail
        }
      ]
    },
    {
      path: '/login',
      component: Login
    }
  ],
  // 路由滚动行为定制
  scrollBehavior () {
    return {
      top: 0
    }
  }
})

绑定模版测试跳转

<RouterLink :to="`/detail/${item.id}`">
  <img :src="item.picture" alt="" />
  <p class="name">{{ item.name }}</p>
  <p class="price">&yen;{{ item.price }}</p>
</RouterLink>

基础数据渲染

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封装接口

import request from '@/utils/http'
export const getDetail = (id) => {
  return request({
    url: '/goods',
    params: {
      id
    }
  })
}

获取数据渲染模版

<script setup>
import { getDetail } from '@/apis/detail'
import { onMounted, ref } from 'vue'
import { useRoute } from 'vue-router'
const goods = ref({})
const route = useRoute()
const getGoods = async () => {
  const res = await getDetail(route.params.id)
  goods.value = res.result
}
onMounted(() => getGoods())
</script>

<template>
  <div class="xtx-goods-page">
    <div class="container" v-if="goods.details">
      <div class="bread-container">
        <el-breadcrumb separator=">">
          <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
          <!-- 
            错误原因:goods一开始{}  {}.categories -> undefined  -> undefined[1]
            1. 可选链的语法?. 
            2. v-if手动控制渲染时机 保证只有数据存在才渲染
           -->
          <el-breadcrumb-item :to="{ path: `/category/${goods.categories[1].id}` }">{{ goods.categories[1].name }}
          </el-breadcrumb-item>
          <el-breadcrumb-item :to="{ path: `/category/sub/${goods.categories[0].id}` }">{{
            goods.categories[0].name
          }}
          </el-breadcrumb-item>
          <el-breadcrumb-item>抓绒保暖,毛毛虫子儿童运动鞋</el-breadcrumb-item>
        </el-breadcrumb>
      </div>
      <!-- 商品信息 -->
      <div class="info-container">
        <div>
          <div class="goods-info">
            <div class="media">
              <!-- 图片预览区 -->

              <!-- 统计数量 -->
              <ul class="goods-sales">
                <li>
                  <p>销量人气</p>
                  <p> {{ goods.salesCount }}+ </p>
                  <p><i class="iconfont icon-task-filling"></i>销量人气</p>
                </li>
                <li>
                  <p>商品评价</p>
                  <p>{{ goods.commentCount }}+</p>
                  <p><i class="iconfont icon-comment-filling"></i>查看评价</p>
                </li>
                <li>
                  <p>收藏人气</p>
                  <p>{{ goods.collectCount }}+</p>
                  <p><i class="iconfont icon-favorite-filling"></i>收藏商品</p>
                </li>
                <li>
                  <p>品牌信息</p>
                  <p>{{ goods.brand.name }}</p>
                  <p><i class="iconfont icon-dynamic-filling"></i>品牌主页</p>
                </li>
              </ul>
            </div>
            <div class="spec">
              <!-- 商品信息区 -->
              <p class="g-name"> {{ goods.name }} </p>
              <p class="g-desc">{{ goods.desc }} </p>
              <p class="g-price">
                <span>{{ goods.oldPrice }}</span>
                <span> {{ goods.price }}</span>
              </p>
              <div class="g-service">
                <dl>
                  <dt>促销</dt>
                  <dd>12月好物放送,App领券购买直降120</dd>
                </dl>
                <dl>
                  <dt>服务</dt>
                  <dd>
                    <span>无忧退货</span>
                    <span>快速退款</span>
                    <span>免费包邮</span>
                    <a href="javascript:;">了解详情</a>
                  </dd>
                </dl>
              </div>
              <!-- sku组件 -->

              <!-- 数据组件 -->

              <!-- 按钮组件 -->
              <div>
                <el-button size="large" class="btn">
                  加入购物车
                </el-button>
              </div>

            </div>
          </div>
          <div class="goods-footer">
            <div class="goods-article">
              <!-- 商品详情 -->
              <div class="goods-tabs">
                <nav>
                  <a>商品详情</a>
                </nav>
                <div class="goods-detail">
                  <!-- 属性 -->
                  <ul class="attrs">
                    <li v-for="item in goods.details.properties" :key="item.value">
                      <span class="dt">{{ item.name }}</span>
                      <span class="dd">{{ item.value }}</span>
                    </li>
                  </ul>
                  <!-- 图片 -->
                  <img v-for="img in goods.details.pictures" :src="img" :key="img" alt="">
                </div>
              </div>
            </div>
            <!-- 24热榜+专题推荐 -->
            <div class="goods-aside">

            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

热榜区域实现

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两块热榜相比,结构一致,标题title和列表内容不同

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封装hot组件

<script setup>
import { ref } from 'vue'
import { getHotGoodsAPI } from '@/apis/detail'
import { useRoute } from 'vue-router'
const goodList = ref([])
const route = useRoute()
//**适配热榜类型type去适配title和数据列表**
const props = defineProps({
  type: {
    type: Number, // 1代表24小时热销榜 2代表周热销榜 3代表总热销榜 可以使用type去适配title和数据列表
    default: 1
  }
})
//适配热榜title
const TITLEMAP = {
  1: '24小时热榜',
  2: '周热榜', 
}
const title = computed(() => TITLEMAP[props.type])

const getHotList = async () => {
  const res = await getHotGoodsAPI({
    id: route.params.id,
    type: props.type
  })
  goodList.value = res.result
}
onMounted(() => getHotList())
</script>

<template>
  <div class="goods-hot">
    <h3>{{title}}</h3>
    <!-- 商品区块 -->
    <RouterLink to="/" class="goods-item" v-for="item in goodList" :key="item.id">
      <img :src="item.picture" alt="" />
      <p class="name ellipsis">{{item.name}}</p>
      <p class="desc ellipsis">{{item.desc}}</p>
      <p class="price">&yen;{{item.price}}</p>
    </RouterLink>
  </div>
</template>


<style scoped lang="scss">
.goods-hot {
  h3 {
    height: 70px;
    background: $helpColor;
    color: #fff;
    font-size: 18px;
    line-height: 70px;
    padding-left: 25px;
    margin-bottom: 10px;
    font-weight: normal;
  }

  .goods-item {
    display: block;
    padding: 20px 30px;
    text-align: center;
    background: #fff;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }
}
</style>

封装接口

/**
 * 获取热榜商品
 * @param {Number} id - 商品id
 * @param {Number} type - 1代表24小时热销榜 2代表周热销榜
 * @param {Number} limit - 获取个数
 */
export const fetchHotGoodsAPI = ({ id, type, limit = 3 }) => {
  return request({
    url:'/goods/hot',
    params:{
      id, 
      type, 
      limit
    }
  })
}

使用组件传入不同的type

<!-- 24小时热榜 -->
<GoodHot :type="1" />
<!-- 周热榜 -->
<GoodHot :type="2" />

图片预览组件封装

在这里插入图片描述

小图切换大图实现

思路:维护一个数组图片列表,鼠标划入小图记录当前小图下标值,通过下标值在数组中取对应图片,显示到大图位置
在这里插入图片描述

<script setup>
import { ref } from 'vue'
// 实现鼠标移入交互小图切换大图显示
const activeIndex = ref(0)
const enterhandler = (i) => {
  activeIndex.value = i
}
// 图片列表
const imageList = [
  "https://yanxuan-item.nosdn.127.net/d917c92e663c5ed0bb577c7ded73e4ec.png",
  "https://yanxuan-item.nosdn.127.net/e801b9572f0b0c02a52952b01adab967.jpg",
  "https://yanxuan-item.nosdn.127.net/b52c447ad472d51adbdde1a83f550ac2.jpg",
  "https://yanxuan-item.nosdn.127.net/f93243224dc37674dfca5874fe089c60.jpg",
  "https://yanxuan-item.nosdn.127.net/f881cfe7de9a576aaeea6ee0d1d24823.jpg"
]
</script>
<template>
  <div class="goods-image">
    <!-- 左侧大图-->
    <div class="middle" ref="target">
      <img :src="imageList[curIndex]" alt="" />
      <!-- 蒙层小滑块 -->
      <div class="layer" :style="{ left: `0px`, top: `0px` }"></div>
    </div>
    <!-- 小图列表 -->
    <ul class="small">
      <li v-for="(img, i) in imageList" :key="i" @mouseenter="enterhandler(i)" :class="{active:i===activeIndex}">
        <img :src="img" alt="" />
      </li>
    </ul>
    <!-- 放大镜大图 -->
    <div class="large" :style="[
      {
        backgroundImage: `url(${imageList[0]})`,
        backgroundPositionX: `0px`,
        backgroundPositionY: `0px`,
      },
    ]" v-show="false"></div>
  </div>
</template>

<style scoped lang="scss">
.goods-image {
  width: 480px;
  height: 400px;
  position: relative;
  display: flex;

  .middle {
    width: 400px;
    height: 400px;
    background: #f5f5f5;
  }

  .large {
    position: absolute;
    top: 0;
    left: 412px;
    width: 400px;
    height: 400px;
    z-index: 500;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-repeat: no-repeat;
    // 背景图:盒子的大小 = 2:1  将来控制背景图的移动来实现放大的效果查看 background-position
    background-size: 800px 800px;
    background-color: #f8f8f8;
  }

  .layer {
    width: 200px;
    height: 200px;
    background: rgba(0, 0, 0, 0.2);
    // 绝对定位 然后跟随咱们鼠标控制left和top属性就可以让滑块移动起来
    left: 0;
    top: 0;
    position: absolute;
  }

  .small {
    width: 80px;

    li {
      width: 68px;
      height: 68px;
      margin-left: 12px;
      margin-bottom: 15px;
      cursor: pointer;

      &:hover,
      &.active {
        border: 2px solid $xtxColor;
      }
    }
  }
}
</style>
放大镜效果实现

在这里插入图片描述
功能拆解
1️⃣左侧滑块跟随鼠标移动
2️⃣右侧大图放大效果实现
3️⃣鼠标移入控制滑块和大图显示隐藏
思路
1️⃣获取到当前的鼠标在盒子内的相对位置(useMouseInElement),控制滑块跟随鼠标移动(left/top)
2️⃣实现放大效果,大图的宽高是小图的两倍,大图的移动方向和滑块移动方向相反,且数值为2倍
3️⃣鼠标移入盒子(isOutside),滑块和大图才显示(v-show)

在这里插入图片描述
在这里插入图片描述

<script setup>
import { ref, watch } from 'vue'
import { useMouseInElement } from '@vueuse/core'

// 图片列表
const imageList = [
  "https://yanxuan-item.nosdn.127.net/d917c92e663c5ed0bb577c7ded73e4ec.png",
  "https://yanxuan-item.nosdn.127.net/e801b9572f0b0c02a52952b01adab967.jpg",
  "https://yanxuan-item.nosdn.127.net/b52c447ad472d51adbdde1a83f550ac2.jpg",
  "https://yanxuan-item.nosdn.127.net/f93243224dc37674dfca5874fe089c60.jpg",
  "https://yanxuan-item.nosdn.127.net/f881cfe7de9a576aaeea6ee0d1d24823.jpg"
]

// 1.小图切换大图显示
const activeIndex = ref(0)
const enterhandler = (i) => {
  activeIndex.value = i
}

// 2. 获取鼠标相对位置
const target = ref(null)
const { elementX, elementY, isOutside } = useMouseInElement(target)

// 3. 控制滑块跟随鼠标移动(监听elementX/Y变化,一旦变化 重新设置left/top)
const left = ref(0)
const top = ref(0)

const positionX = ref(0)
const positionY = ref(0)
watch([elementX, elementY, isOutside], () => {
  console.log('xy变化了')
  // 如果鼠标没有移入到盒子里面 直接不执行后面的逻辑
  if (isOutside.value) return
  console.log('后续逻辑执行了')
  // 有效范围内控制滑块距离
  // 横向
  if (elementX.value > 100 && elementX.value < 300) {
    left.value = elementX.value - 100
  }
  // 纵向
  if (elementY.value > 100 && elementY.value < 300) {
    top.value = elementY.value - 100
  }

  // 处理边界
  if (elementX.value > 300) { left.value = 200 }
  if (elementX.value < 100) { left.value = 0 }

  if (elementY.value > 300) { top.value = 200 }
  if (elementY.value < 100) { top.value = 0 }

  // 控制大图的显示
  positionX.value = -left.value * 2
  positionY.value = -top.value * 2

})

</script>


<template>
  <div class="goods-image">

    <!-- 左侧大图-->
    <div class="middle" ref="target">
      <img :src="imageList[activeIndex]" alt="" />
      <!-- 蒙层小滑块 -->
      <div class="layer" v-show="!isOutside" :style="{ left: `${left}px`, top: `${top}px` }"></div>
    </div>
    <!-- 小图列表 -->
    <ul class="small">
      <li v-for="(img, i) in imageList" :key="i" @mouseenter="enterhandler(i)" :class="{ active: i === activeIndex }">
        <img :src="img" alt="" />
      </li>
    </ul>
    <!-- 放大镜大图 -->
    <div class="large" :style="[
      {
        backgroundImage: `url(${imageList[activeIndex]})`,
        backgroundPositionX: `${positionX}px`,
        backgroundPositionY: `${positionY}px`,
      },
    ]" v-show="!isOutside"></div>
  </div>
</template>

<style scoped lang="scss">
.goods-image {
  width: 480px;
  height: 400px;
  position: relative;
  display: flex;

  .middle {
    width: 400px;
    height: 400px;
    background: #f5f5f5;
  }

  .large {
    position: absolute;
    top: 0;
    left: 412px;
    width: 400px;
    height: 400px;
    z-index: 500;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-repeat: no-repeat;
    // 背景图:盒子的大小 = 2:1  将来控制背景图的移动来实现放大的效果查看 background-position
    background-size: 800px 800px;
    background-color: #f8f8f8;
  }

  .layer {
    width: 200px;
    height: 200px;
    background: rgba(0, 0, 0, 0.2);
    // 绝对定位 然后跟随咱们鼠标控制left和top属性就可以让滑块移动起来
    left: 0;
    top: 0;
    position: absolute;
  }

  .small {
    width: 80px;

    li {
      width: 68px;
      height: 68px;
      margin-left: 12px;
      margin-bottom: 15px;
      cursor: pointer;

      &:hover,
      &.active {
        border: 2px solid $xtxColor;
      }
    }
  }
}
</style>
组件props适配

组件中的图片列表不能写死,需要通过props参数把接口数据传入

defineProps({
  imageList:{
     type:Array,
     default:()=>[]
  }
})
<ImageView :image-list='good.srcList'/>
总结

1️⃣封装复杂交互组件的通用思路
在这里插入图片描述
2️⃣图片预览组件的封装逻辑
在这里插入图片描述

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