流量统计优化sql查询速度

src/main/java/com/nis/web/dao/dashboard/TrafficProtocolStatisticDao.java

@@ -1,11 +1,16 @@
 package com.nis.web.dao.dashboard;
 
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 
+import org.apache.ibatis.annotations.Param;
+
+import com.nis.domain.restful.dashboard.TrafficProtocolStatistic;
 import com.nis.web.dao.MyBatisDao;
 @MyBatisDao
 public interface TrafficProtocolStatisticDao {
 
-	List<Map> protocolChart();
+	TrafficProtocolStatistic getMaxStatTime();
+	List<Map> protocolChart(@Param("statTime")Date statTime);
 }