Task(千县名品)：产品列表随机算法实现

pkg_product/views/famousQianxianShop.vue

@@ -538,6 +538,9 @@
                 />
               </view>
             </view>
+            <view v-for="(item, index) in leftList" :key="index"> 
+
+            </view>
           </view>
           <image
             :src="webUrl + '/home/no-data-bg.png'"
@@ -744,20 +747,52 @@ export default {
         const { success, data } = res
         if (success) {
           const products = data.products || []
+          const farmerShops = data.farmerShops || []
+          // this.leftList = this.sortProductsAndStores(products, farmerShops)
+          // console.log(this.leftList);
           products.map((item, index) => {
             item.isOldBrand = 0
             item.isLandmarkGoods = 0
-            item.isCountyFamous = 1
             if (index % 2 === 0) {
               this.leftList.push(item)
             }
             if (index % 2 === 1) {
+              item.isFarmer = 1
               this.rightList.push(item)
             }
           })
         }
       })
     },
+    shuffleArray(array) {
+      for (let i = array.length - 1; i > 0; i--) {
+      let j = Math.floor(Math.random() * (i + 1));
+      [array[i], array[j]] = [array[j], array[i]];
+    }
+  return array;
+    },
+    sortProductsAndStores(products, stores) {
+      const randomMap = []
+      const randomProduct = products.length === 0 ? null : products.length === 1 ? products[0] : products[Math.floor(Math.random() * products.length)]
+      const store = stores.length === 0 ? null : stores.length === 1 ? stores[0] : stores[Math.floor(Math.random() * stores.length)]
+      if(!randomProduct && !store) {
+        return []
+      }
+      if(!randomProduct && store) {
+        return stores
+      }
+      if(randomProduct && !store) {
+        return products
+      }
+      if(randomProduct && store) {
+        randomMap[0] = randomProduct
+        randomMap[1] = store
+        const _p = products.filter(e => e !== randomProduct)
+        const _s = stores.filter(e => e !== store)
+        const concatArr = this.shuffleArray(_p.concat(_s))
+        return randomMap.concat(concatArr);
+      }
+    },
     getShopDetailReq() {
       const _this = this
       getCountyFamousCityShop({ countyFamousDataId: _this.id }).then((res) => {