增加 null判断

xufenglei

2018-07-31 6b9938b5faf4a1b66f1c8886adc402d42bd447c1

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package com.moral.mapper; 
 
import org.apache.ibatis.annotations.Param; 
 
import java.util.Date; 
import java.util.List; 
import java.util.Map; 
 
public interface HistoryMapper{ 
    String selectValueByMacAndTime(@Param("mac")String mac, @Param("time")Date time); 
    List<Map<String, Object>> getAreaAllDataByAccount(Map<String, Object> parameters); 
 
    List<Map<String, Object>> getRegionRankingData(Map<String, Object> parameters); 
 
    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); 
 
}