删除车辆限制

src/main/java/com/bonus/gzcar/business/backstage/mapper/CarCarMapper.java

@@ -48,4 +48,11 @@ public interface CarCarMapper {
      * @return
      */
     List<CarCarVo> getCarListBySup(CarCarVo data);
+
+    /**
+     * 查询供应商车辆
+     * @param data
+     * @return
+     */
+    int getUserBySup(CarCarVo data);
 }

src/main/java/com/bonus/gzcar/business/backstage/service/CarCarServiceImpl.java

@@ -313,10 +313,14 @@ public class CarCarServiceImpl implements CarCarService {
     @Override
     public ServerResponse deleteCarData(CarCarVo data) {
         try{
+            int nums=mapper.getUserBySup(data);
+            if(nums>0){
+                return ServerResponse.createBySuccessMsg("供应商下存在车辆信息不允许删除!");
+            }
             int num=mapper.deleteCarData(data);
             uploadService.deleteFileByTableId(data.getId(),"car_supplier_info");
             if(num>0){
-                return ServerResponse.createSuccess("删除成功","删除成功");
+                return ServerResponse.createBySuccessMsg("删除成功");
             }
         }catch (Exception e){
             log.error(e.toString(),e);

src/main/resources/mappers/business/backstage/CarCarMapper.xml

@@ -89,4 +89,9 @@
             AND INSTR(csi.car_num,#{carNum}) > 0
         </if>
     </select>
+    <select id="getUserBySup" resultType="java.lang.Integer">
+        select  count(1)
+        from car_supplier_info
+        where is_active=1  and sup_id=#{id}
+    </select>
 </mapper>