From 6db661acbe8c5993d5d16744f5e2a080e9c49202 Mon Sep 17 00:00:00 2001
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 <8605635+zhang3064194730@user.noreply.gitee.com>
Date: Mon, 10 Mar 2025 18:09:34 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=8F=E7=A8=8B=E5=BA=8F=E4=B8=BB=E9=A1=B5?=
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---
 .../main/resources/mapper/ProductMapper.xml   | 30 +++++++++++--------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml b/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
index 6900b7504..cb0f702ce 100644
--- a/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
+++ b/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
@@ -185,20 +185,24 @@
         <if test="distanceType != null">
             and ST_Distance_Sphere(POINT(b.lng, b.lat), POINT(#{lng}, #{lat})) &lt;= #{distanceType}
         </if>
-        <if test="orderType == 0">
-            ORDER BY distance
-        </if>
-        <if test="orderType == 1">
-            ORDER BY a.real_sales_number desc
-        </if>
 
-        <if test="orderType == 2">
-            ORDER BY a.sale_price
-        </if>
-
-        <if test="orderType == 3">
-            ORDER BY c.create_time desc
-        </if>
+        <choose>
+            <when test="orderType == 0">
+                ORDER BY discount
+            </when>
+            <when test="orderType == 1">
+                ORDER BY a.real_sales_number DESC
+            </when>
+            <when test="orderType == 2">
+                ORDER BY a.sale_price
+            </when>
+            <when test="orderType == 3">
+                ORDER BY c.create_time DESC
+            </when>
+            <otherwise>
+                ORDER BY c.create_time DESC  <!-- 默认排序，避免 orderType 为空时报错 -->
+            </otherwise>
+        </choose>
 
     </select>
     <select id="getTodayProInfo" resultType="com.czg.product.vo.RecommendProVO">