Fix：5371 【商城小程序】甄选好礼对应分类下无商品不会提示

(cherry picked from commit 8f7ff49641)

pages/home/newZone.vue

@@ -36,7 +36,7 @@
       </view>
     
     </view>
-    <view class="product-wrap v12-mt-3">
+    <view v-if="products.length > 0" class="product-wrap v12-mt-3">
       <view class="product-card" v-for="(item, index) in products" :key="index" @click="toGoods(item)">
         <image :src="item.productImage" class="product-card-img" mode="heightFix|widthFix"></image>
         <view class="new-info">
@@ -53,6 +53,9 @@
         </view>
       </view>
     </view>
+    <view v-else class="empty-wrap">
+      <view class="empty-text">暂无数据</view>
+    </view>
     <ProductWindow
       ref="attrWindow"
       :attr="attr"
@@ -99,8 +102,12 @@ export default{
   onLoad() {
     queryNewZone().then(res => {
       this.details = res.data 
-      this.tabs = res.data.categories
-      this.handleClick(0, this.tabs[0])
+      this.tabs = Array.isArray(res.data.categories) ? res.data.categories : []
+      if (this.tabs.length > 0) {
+        this.handleClick(0, this.tabs[0])
+      } else {
+        this.products = []
+      }
     })
   },
   computed: {
@@ -112,7 +119,7 @@ export default{
   methods: {
     handleClick(index, tab) {
       this.activeIndex = index
-      this.products = tab.products
+      this.products = Array.isArray(tab && tab.products) ? tab.products : []
     },
     handleChange(e) {
       this.current = e.detail.current
@@ -144,6 +151,17 @@ export default{
   justify-content: space-between;
   flex-wrap: wrap;
 }
+.empty-wrap{
+  min-height: 260rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+.empty-text{
+  font-size: 28rpx;
+  color: #999999;
+  text-align: center;
+}
 .tab-line{
   position: absolute;
   bottom: 0;