From 7049ca6890d62948ce55188f38c043fc18ba0b10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E5=BE=81?= <zhangz@163.com>
Date: Mon, 9 May 2022 22:39:50 +0800
Subject: [PATCH] =?UTF-8?q?feat:=E5=AE=8C=E6=88=90=E5=95=86=E5=93=81?=
 =?UTF-8?q?=E8=AF=A6=E6=83=85?=
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---
 .../Item.vue => components/UiGoodsItem.vue    |   2 +-
 layouts/default.vue                           |   2 +-
 pages/goods/detail/_id.vue                    | 329 +++++++++++++++++-
 pages/goods/list/index.vue                    |   8 +-
 4 files changed, 322 insertions(+), 19 deletions(-)
 rename pages/goods/list/module/Item.vue => components/UiGoodsItem.vue (94%)

diff --git a/pages/goods/list/module/Item.vue b/components/UiGoodsItem.vue
similarity index 94%
rename from pages/goods/list/module/Item.vue
rename to components/UiGoodsItem.vue
index 84e9786..a31a1d6 100644
--- a/pages/goods/list/module/Item.vue
+++ b/components/UiGoodsItem.vue
@@ -15,7 +15,7 @@
 <script>
 import UiMoney from "@/components/UiMoney.vue";
 export default {
-  name: "GoodsItem",
+  name: "UiGoodsItem",
   componetns: { UiMoney },
   props: {
     item: {
diff --git a/layouts/default.vue b/layouts/default.vue
index 2ca99f1..fbe93a5 100644
--- a/layouts/default.vue
+++ b/layouts/default.vue
@@ -8,7 +8,7 @@
 <template>
   <div class="layout">
     <BsLogin :visible.sync="loginVisible" />
-    <Header />
+    <!-- <Header /> -->
     <Nuxt />
     <Footer />
   </div>
diff --git a/pages/goods/detail/_id.vue b/pages/goods/detail/_id.vue
index 074496a..68bf1f5 100644
--- a/pages/goods/detail/_id.vue
+++ b/pages/goods/detail/_id.vue
@@ -13,18 +13,52 @@
     </nav>
     <main class="main flex">
       <aside class="main__preview">
-        <img class="main__preview" src="~/static/images/goods/more.png" alt="商品大图" />
+        <img
+          class="main__preview-big"
+          :src="detailData.pictureList[activeImg]"
+          alt="商品大图"
+        />
+        <div class="main__preview-control">
+          <img
+            class="main__preview-control--left"
+            src="~/static/images/goods/left.png"
+            alt="左侧切换"
+            @click="onImgLeft"
+          />
+          <div
+            class="main__preview-control--imgs"
+            :style="
+              activeImg > 4
+                ? 'transform: translateX(-' + (activeImg - 4) * 78 + 'px);'
+                : ''
+            "
+          >
+            <img
+              :class="index == activeImg ? 'img-active' : ''"
+              :src="item"
+              alt=""
+              v-for="(item, index) in detailData.pictureList"
+              :key="index"
+              @click="onActiveImg(index)"
+            />
+          </div>
+          <img
+            class="main__preview-control--right"
+            src="~/static/images/goods/right.png"
+            alt="右侧切换"
+            @click="onImgRight"
+          />
+        </div>
       </aside>
       <article class="main__details">
         <p class="main__details-title">
           <span class="main__details-title--label">新品</span>
-          Java从入门到项目实战（全程视频版）
-          编程入门it计算机书籍算法java编程思想java从入门到精通java核心技术javascript
+          {{ detailData.name }}
         </p>
         <div class="main__details-msg">
           <div class="main__details-msg--price flex">
             <span class="msg-txt">售价</span>
-            <UiMoney :money="123"></UiMoney>
+            <UiMoney :money="detailData.startingPrice"></UiMoney>
           </div>
           <div class="hr"></div>
           <div class="main__details-msg--service flex flex-middle">
@@ -40,41 +74,219 @@
           </div>
         </div>
         <div class="main__details-option">
-          <div class="main__details-option--line flex flex-middle">
-            <span class="line-txt">规格</span>
+          <div
+            class="main__details-option--line flex flex-middle"
+            v-for="(item, index) in detailData.attributeGroupList"
+            :key="item.id"
+          >
+            <span class="line-txt">{{ item.name }}</span>
             <div class="line-btns">
               <UiButton
                 type="yellow_line"
-                v-for="(item, index) in 11"
-                :key="index"
-                >123</UiButton
+                v-for="val in item.attributes"
+                :key="val.symbol"
+                @click="handleAttrItem(val, index)"
+                :class="{
+                  'attr-item__active': val.active,
+                  'attr-item__disabled': val.disabled,
+                }"
+                >{{ val.name }}</UiButton
               >
             </div>
           </div>
         </div>
         <div class="main__details-pay">
           <UiButton type="yellow_line">加入购物车</UiButton>
-          <UiButton type="yellow_panel">立即购买</UiButton>
+          <UiButton type="yellow_panel" @click="buyNow">立即购买</UiButton>
         </div>
       </article>
     </main>
+
+    <section class="section flex">
+      <div class="section-recommend">
+        <p class="section-title">看了又看</p>
+        <UiGoodsItem
+          v-for="item in recommendedData"
+          :item="item"
+          :key="item.id"
+        ></UiGoodsItem>
+      </div>
+      <div class="section-details">
+        <p class="section-title">商品详情</p>
+        <div class="rich" v-html="detailData.detail"></div>
+      </div>
+    </section>
   </div>
 </template>
 <script>
 import UiMoney from "@/components/UiMoney.vue";
 import UiButton from "@/components/UiButton.vue";
-import { ApiGetGoodsDetail, ApiGetGoodsSkus } from "@/plugins/api/goods";
+import {
+  ApiGetGoodsDetail,
+  ApiGetGoodsSkus,
+  ApiGetRecommendedGoodsList,
+} from "@/plugins/api/goods";
+import UiGoodsItem from "@/components/UiGoodsItem.vue";
 export default {
-  componetns: { UiMoney, UiButton },
+  componetns: { UiMoney, UiButton, UiGoodsItem },
   data() {
-    return {};
+    return {
+      curBuyNum: 1,
+      activeImg: 0,
+      recommendedData: [],
+      skuData: {},
+      detailData: {
+        pictureList: [],
+      },
+    };
   },
   async created() {
+    let vm = this;
     let id = this.$route.params.id;
     let res1 = await ApiGetGoodsDetail({ id });
     let res2 = await ApiGetGoodsSkus({ productId: id });
+    let res3 = await ApiGetRecommendedGoodsList();
+    vm.detailData = res1.result;
+    vm.skuData = res2.result;
+    vm.recommendedData = res3.result;
     console.log(`res1`, res1.result);
     console.log(`res2`, res2.result);
+    console.log(`res3`, res3.result);
+  },
+  computed: {
+    /**
+     * 当前选中SKU，根据选中规格计算
+     */
+    curSku() {
+      return (
+        this.skuData.find(
+          (i) => i.attributeSymbolList === this.selectedSymbol.join(",")
+        ) || {}
+      );
+    },
+    // [1,.,3]
+    selectedSymbol() {
+      return this.detailData.attributeGroupList
+        .map((item) => {
+          const activeAttr = item.attributes.find((i) => i.active);
+          return activeAttr ? activeAttr.symbol : ".";
+        })
+        .filter((i) => i); //.sort();
+    },
+    /**
+     * 最大可购买数量
+     * 1、有限购则对比限购跟库存，取最小值
+     * 2、没限购取库存
+     */
+    maxBuyNum() {
+      const singleBuyLimit = this.detailData.singleBuyLimit;
+      const stock = this.curSku.stock;
+      return singleBuyLimit ? Math.min(singleBuyLimit, stock || 1) : stock;
+    },
+  },
+  methods: {
+    onActiveImg(i) {
+      this.activeImg = i;
+    },
+    onImgLeft() {
+      let vm = this;
+      if (vm.activeImg > 0) {
+        vm.activeImg--;
+      }
+    },
+    onImgRight() {
+      let vm = this;
+      if (vm.activeImg < vm.detailData.pictureList.length - 1) {
+        vm.activeImg++;
+      }
+    },
+    /**
+     * 设置默认选中规格
+     */
+    setDefaultAttr() {
+      let vm = this;
+      const curSku = vm.skuData.find((i) => i.stock > 0);
+      if (!curSku) {
+        return false;
+      }
+      vm.detailData.attributeGroupList.forEach((item, index) => {
+        for (let i of item.attributes) {
+          if (curSku.attributeSymbolList.includes(i.symbol)) {
+            this.$set(i, "active", true);
+            this.setDisabledItem(i, index, true);
+            break;
+          }
+        }
+      });
+      this.$emit("input", this.curSku);
+    },
+    /**
+     * 点击属性项，设置选中和禁用项
+     */
+    handleAttrItem(item, groupIndex) {
+      let vm = this;
+      // 禁用选项
+      if (item.disabled) {
+        return false;
+      }
+      // 每次重选规格，购买数量都置为1
+      vm.curBuyNum = 1;
+      const active = item.active;
+      // 把当前选项组的装先置为未选状态
+      vm.detailData.attributeGroupList[groupIndex].attributes.forEach(
+        (item) => {
+          this.$set(item, "active", false);
+        }
+      );
+      // 设置当前点击选项选中
+      this.$set(item, "active", !active);
+      this.setDisabledItem(item, groupIndex);
+    },
+    /**
+     * 每次点击选项属性时，计算不可选属性
+     */
+    setDisabledItem(item, groupIndex) {
+      let vm = this;
+      vm.detailData.attributeGroupList.forEach((group, idx) => {
+        // 拿到已选项数组，这个是按照项组顺序排序好的缓存数组
+        let symbolCache = Object.assign([], this.selectedSymbol);
+        // 跳过当前属性组
+        if (groupIndex === idx) return false;
+        // 遍历其他选项组中的选项
+        group.attributes.forEach((item) => {
+          // 根据选项组下标，补位选项属性
+          symbolCache[idx] = item.symbol;
+          const reg = new RegExp(symbolCache.join(","));
+          // 根据补位选项寻找是否有有效SKU，有则可选，没有则禁用
+          const res = vm.skuData
+            .filter((i) => reg.test(i.attributeSymbolList))
+            .find((i) => i.stock > 0);
+          if (res) {
+            item.disabled = false;
+          } else {
+            item.disabled = true;
+          }
+        });
+      });
+    },
+    buyNow() {
+      if (!this.curSku.skuId) {
+        this.$message.error("请选择规格~");
+        return false;
+      }
+
+      let query = {
+        mode: "buyNow",
+        skuId: this.curSku.skuId,
+        num: this.curBuyNum,
+        activityType: 1,
+      };
+      console.log(query);
+      this.$router.push({
+        path: "/order/submit",
+        query,
+      });
+    },
   },
 };
 </script>
@@ -94,6 +306,64 @@ export default {
   &__preview {
     width: 456px;
     margin-right: 30px;
+    &-big {
+      width: 456px;
+      height: 456px;
+      margin-bottom: 24px;
+    }
+    &-control {
+      width: 100%;
+      height: 58px;
+      position: relative;
+      overflow: hidden;
+      padding-left: 43px;
+      &::before {
+        content: "";
+        width: 43px;
+        height: 58px;
+        background: #fff;
+        position: absolute;
+        left: 0;
+        top: 0;
+        z-index: 1;
+      }
+      &::after {
+        content: "";
+        width: 43px;
+        height: 58px;
+        background: #fff;
+        position: absolute;
+        right: 0;
+        top: 0;
+      }
+      &--left,
+      &--right {
+        width: 20px;
+        height: 34px;
+        position: absolute;
+        top: 12px;
+        z-index: 1;
+        cursor: pointer;
+      }
+      &--left {
+        left: 0;
+      }
+      &--right {
+        right: 0;
+      }
+      &--imgs {
+        width: 1500px;
+        img {
+          width: 58px;
+          height: 58px;
+          margin-right: 20px;
+          cursor: pointer;
+        }
+        .img-active {
+          border: 1px solid #ff512b;
+        }
+      }
+    }
   }
   &__details {
     width: 714px;
@@ -195,4 +465,37 @@ export default {
     }
   }
 }
+.section {
+  width: 1200px;
+  margin: 64px auto 0;
+  &-recommend {
+    width: 210px;
+    margin-right: 30px;
+
+    /deep/.goods-item {
+      border: 1px solid #f2f2f2;
+    }
+  }
+  &-details {
+    width: 960px;
+  }
+  &-title {
+    width: 100%;
+    height: 40px;
+    line-height: 40px;
+    background: #f7f7f7;
+    border: 1px solid #f2f2f2;
+    padding-left: 16px;
+    font-size: 14px;
+    font-family: Microsoft YaHei-Regular, Microsoft YaHei;
+    font-weight: 400;
+    color: #666666;
+  }
+}
+.attr-item__active {
+  background: red !important;
+}
+.attr-item__disabled {
+  background: cyan !important;
+}
 </style>
diff --git a/pages/goods/list/index.vue b/pages/goods/list/index.vue
index 7087ff2..872d9b1 100644
--- a/pages/goods/list/index.vue
+++ b/pages/goods/list/index.vue
@@ -36,11 +36,11 @@
         </div>
       </nav>
       <div class="main__content">
-        <GoodsItem
+        <UiGoodsItem
           :item="item"
           v-for="item in listData"
           :key="item.id"
-        ></GoodsItem>
+        ></UiGoodsItem>
       </div>
       <el-pagination
         class="main__pagination flex flex-right"
@@ -57,9 +57,9 @@
 <script>
 import { ApiGetGoodsList } from "@/plugins/api/goods";
 import Sort from "./module/SortItem.vue";
-import GoodsItem from "./module/Item.vue";
+import UiGoodsItem from "@/components/UiGoodsItem.vue";
 export default {
-  components: { Sort, GoodsItem },
+  components: { Sort, UiGoodsItem },
   data() {
     return {
       navActive: 0,