feat(shopGoods): 支持多规格价格区间及修复快递配送设置保存问题

- 商品列表价格列新增多规格价格区间显示，单规格依旧显示单值
- 后端新增非持久化最大价字段 priceMax/salePriceMax/dealerPriceMax，批量读取SKU价格区间
- 前端 API 和列表价格列渲染及导出支持价格区间显示
- 添加快递配送相关字段 canExpress 和 expressTemplateId 至后端实体并新增对应数据库字段
- 调整前端运费模板表单项位置及必填校验逻辑，修复保存不生效问题
- 修改 SKU 图片删除方法，避免误删主商品图片数组

src/api/shop/shopGoods/model/index.ts

@@ -62,6 +62,10 @@ export interface ShopGoods {
   memberMarketPrice?: string;
   // 经销商价格
   dealerPrice?: string;
+  // 价格区间最大值（多规格列表展示用，由后端按 SKU 计算；单规格/区间相等时为 undefined）
+  priceMax?: string;
+  salePriceMax?: string;
+  dealerPriceMax?: string;
   // 有赠品
   buyingGift?: boolean;
   // 有赠品

src/views/shop/shopGoods/components/shopGoodsEdit.vue

@@ -106,20 +106,6 @@
               v-model:value="form.buyingPrice"
             />
           </a-form-item>
-          <a-form-item :label="form.canExpress === 1 ? '运费模板（必填）' : '运费模板'" v-if="!merchantId" :required="form.canExpress === 1">
-            <a-select
-              v-model:value="form.expressTemplateId"
-              style="width: 240px"
-              :placeholder="form.canExpress === 1 ? '请选择运费模板（必选）' : '请选择运费模板'"
-            >
-              <a-select-option
-                v-for="(item, index) in expressTemplateList"
-                :key="index"
-                :value="item.id"
-              >{{ item.title }}
-              </a-select-option>
-            </a-select>
-          </a-form-item>
           <a-form-item label="商品图片(400x400)" name="image">
             <!--            <SelectFile-->
             <!--              :placeholder="`请选择视频文件`"-->
@@ -356,7 +342,7 @@
                         :data="record.images || []"
                         :index="index"
                         @done="chooseSkuImage"
-                        @del="onDeleteSkuItem"
+                        @del="() => onDeleteSkuItem(index)"
                       />
                     </template>
                     <template v-if="column.key === 'price'">
@@ -458,6 +444,20 @@
               :un-checked-value="0"
             />
           </a-form-item>
+          <a-form-item :label="form.canExpress === 1 ? '运费模板（必填）' : '运费模板'" v-if="!merchantId" :required="form.canExpress === 1">
+            <a-select
+              v-model:value="form.expressTemplateId"
+              style="width: 240px"
+              :placeholder="form.canExpress === 1 ? '请选择运费模板（必选）' : '请选择运费模板'"
+            >
+              <a-select-option
+                v-for="(item, index) in expressTemplateList"
+                :key="index"
+                :value="item.id"
+              >{{ item.title }}
+              </a-select-option>
+            </a-select>
+          </a-form-item>
           <a-form-item label="是否新品">
             <a-switch
               size="small"

src/views/shop/shopGoods/index.vue

@@ -58,16 +58,36 @@
           </template>
           <template v-if="column.key === 'priceGroup'">
             <div class="flex flex-col leading-tight">
-              <span class="text-gray-800 font-bold">￥{{ record.price }}</span>
-              <span class="text-gray-400 text-xs"
-                >市场价：{{
-                  record.salePrice ? `￥${record.salePrice}` : '-'
-                }}</span
+              <span class="text-gray-800 font-bold"
+                >￥{{ record.price
+                }}<span
+                  v-if="record.priceMax != null && record.priceMax !== record.price"
+                  > ~ ￥{{ record.priceMax }}</span
+                ></span
               >
               <span class="text-gray-400 text-xs"
-                >会员价：{{
-                  record.dealerPrice ? `￥${record.dealerPrice}` : '-'
-                }}</span
+                >市场价：<template v-if="record.salePrice"
+                  >￥{{ record.salePrice
+                  }}<span
+                    v-if="
+                      record.salePriceMax != null &&
+                      record.salePriceMax !== record.salePrice
+                    "
+                    > ~ ￥{{ record.salePriceMax }}</span
+                  ></template
+                ><template v-else>-</template></span
+              >
+              <span class="text-gray-400 text-xs"
+                >会员价：<template v-if="record.dealerPrice"
+                  >￥{{ record.dealerPrice
+                  }}<span
+                    v-if="
+                      record.dealerPriceMax != null &&
+                      record.dealerPriceMax !== record.dealerPrice
+                    "
+                    > ~ ￥{{ record.dealerPriceMax }}</span
+                  ></template
+                ><template v-else>-</template></span
               >
             </div>
           </template>
@@ -389,6 +409,17 @@
     });
   };
 
+  /* 价格区间文本：多规格且区间不相等时显示 ￥min ~ ￥max，否则显示单值 */
+  const fmtPrice = (min?: string | number, max?: string | number) => {
+    if (min == null || min === '') {
+      return max != null && max !== '' ? `￥${max}` : '';
+    }
+    const base = `￥${min}`;
+    return max != null && max !== '' && `${max}` !== `${min}`
+      ? `${base} ~ ￥${max}`
+      : base;
+  };
+
   /* 导出商品列表 */
   const handleExport = async () => {
     if (loading.value) {
@@ -424,9 +455,9 @@
         array.push([
           `${goods.goodsId || ''}`,
           `${goods.name || ''}`,
-          `￥${goods.price || 0}`,
-          `${goods.salePrice ? `￥${goods.salePrice}` : ''}`,
-          `${goods.dealerPrice ? `￥${goods.dealerPrice}` : ''}`,
+          fmtPrice(goods.price, goods.priceMax),
+          fmtPrice(goods.salePrice, goods.salePriceMax),
+          fmtPrice(goods.dealerPrice, goods.dealerPriceMax),
           `${goods.sales || 0}`,
           `${goods.stock || 0}`,
           statusMap[goods.status || 0] || '',