Fix：2983 【商城小程序】被下架的商品在购物车中消失（改为前端数据保留，点击时提醒商品已下架或被删除）

pages/cart.vue

@@ -146,20 +146,20 @@
                 :src="good['productInfo']['attrInfo']['image']"
                 class="good-cover flex-0 v12-radius-16"
                 mode="scaleToFill"
-                @click="navToGood(good)"
+                @click="navToGood(good, item)"
               />
               <image
                 v-else
                 :src="good['productInfo']['image']"
                 mode="scaleToFill"
                 class="good-cover flex-0"
-                @click="navToGood(good)"
+                @click="navToGood(good, item)"
               />
             </view>
             <view style="width: 100%">
               <view
                 class="one-t v12-font-28"
-                @click="navToGood(good)"
+                @click="navToGood(good, item)"
               >{{ good['productInfo']['storeName'] }}</view>
               <view
                 class="sku ai-center"
@@ -181,7 +181,7 @@
               >
                 <view
                   class="v12-font-bold v12-primary-text"
-                  @click="navToGood(good)"
+                  @click="navToGood(good, item)"
                 >
                   <text class="bold v12-font-22">￥</text>
                   <text class="v12-font-36">{{ good['truePrice'] }}</text>
@@ -500,7 +500,13 @@ export default {
       const res = await getCartGroup()
       if (res.success) {
         this.isLoad = true
-        this.list = res.data['valid'].concat(res.data['invalid'])
+        const invalid = res.data['invalid'].map(e => {
+          return {
+            ...e,
+            isInvalid: true
+          }
+        })
+        this.list = res.data['valid'].concat(invalid)
         this.handleAll(false)
         const _res = await getUserLike()
         this.userLikeList = _res.data
@@ -751,7 +757,15 @@ export default {
       this.currGood = {}
       this.showAttr = false
     },
-    navToGood(good) {
+    navToGood(good, item) {
+      if(item.isInvalid) {
+        uni.showToast({
+          title: '商品已下架',
+          icon: 'none',
+          duration: 3000
+        })
+        return
+      }
       const query = {
         id: good.productId
       }