空值处理

xufenglei

2018-07-20 d8680e96da9c51f22fae430fc493f110cb374e5b

 src/main/java/com/moral/mapper/HistoryMapper.java

@@ -15,5 +15,7 @@
   List<String> selectNextLevelRegion(Map<String, Object> parameters);



   List<Map<String, Object>> getDischargeByRegion(Map<String, Object> parameters);

	
   List<Map<String, Object>> getValueByMacAndSize(Map<String, Object> parameters);



}