From d6a0ac523af2db9216d30fabf1063c095c5b41e1 Mon Sep 17 00:00:00 2001
From: xufenglei <xufenglei>
Date: Fri, 06 Jul 2018 15:52:39 +0800
Subject: [PATCH] app接口

---
 src/main/resources/mapper/HistoryMapper.xml |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/main/resources/mapper/HistoryMapper.xml b/src/main/resources/mapper/HistoryMapper.xml
index e19db1a..bef36f5 100644
--- a/src/main/resources/mapper/HistoryMapper.xml
+++ b/src/main/resources/mapper/HistoryMapper.xml
@@ -115,4 +115,17 @@
 			AND mp.${regionType}_code = #{regionCode}
 			AND dis.`year` = #{year}
 	</select>
+	
+	<select id="getValueByMacAndSize" resultType="java.util.Map">
+		SELECT 
+			value,
+			time
+		FROM
+			history 
+		WHERE
+			mac = #{mac} 
+		ORDER BY
+			time DESC 
+		LIMIT #{size}
+	</select>
 </mapper>
\ No newline at end of file

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