相机导入修改和筛选

business-service/src/main/resources/mapper/service/BaseCameraManagementMapper.xml

@@ -55,7 +55,7 @@
             <if test="installMile != null and installMile != 0">
                 and a.install_mile =#{installMile}
             </if>
-            <if test="railwayCode != null">
+            <if test="railwayCode != null railwayCode != '' ">
                 and a.railway_code =#{railwayCode}
             </if>
             <if test="ids != null and ids.size>0">