首页查询报错修复

cash-service/product-service/src/main/resources/mapper/ProductMapper.xml

@@ -164,7 +164,7 @@
     </select>
     <select id="selectRecommendProductList" resultType="com.czg.product.vo.RecommendProVO">
         select ROUND(
-        ST_Distance_Sphere(POINT(b.lng, b.lat), POINT(#{lng}, #{lat})) / 1000, 2) AS distance,
+        ifnull(ST_Distance_Sphere(POINT(b.lng, b.lat), POINT(#{lng}, #{lat})) / 1000, 2), 0) AS distance,
             c.name, a.origin_price, a.sale_price, b.shop_name, b.districts, c.cover_img, b.logo, c.id,
             a.real_sales_number saleNum, (round(a.sale_price / a.origin_price, 2) * 10) AS discount,
         c.id productId, a.id skuId, b.id shopId
@@ -188,7 +188,7 @@
 
         <choose>
             <when test="orderType == 0">
-                ORDER BY discount
+                ORDER BY distance
             </when>
             <when test="orderType == 1">
                 ORDER BY a.real_sales_number DESC