From 69e2f9472465cfe4e35356da3f550f13812fdf83 Mon Sep 17 00:00:00 2001
From: lizijie <lzjiiie@163.com>
Date: Tue, 15 Dec 2020 10:21:44 +0800
Subject: [PATCH] 热力图
---
src/main/resources/mapper/DemoMapper.xml | 31 ++++++++++++++++++++++++++++++-
1 files changed, 30 insertions(+), 1 deletions(-)
diff --git a/src/main/resources/mapper/DemoMapper.xml b/src/main/resources/mapper/DemoMapper.xml
index 3ab8c7a..5d37761 100644
--- a/src/main/resources/mapper/DemoMapper.xml
+++ b/src/main/resources/mapper/DemoMapper.xml
@@ -2,6 +2,35 @@
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.moral.mapper.DemoMapper">
<select id="getDatas" resultType="map">
- SELECT * FROM hangzhou_aqi ORDER BY time DESC LIMIT 7
+ SELECT *
+ FROM hangzhou_aqi
+ <where>
+ <if test="timeList != null and timeList.size > 0">
+ time IN
+ <foreach collection="timeList" open="(" separator="," close=")"
+ item="listItem">
+ #{listItem}
+ </foreach>
+ </if>
+ </where>
+ ORDER BY time
+ <if test="size != null">
+ DESC
+ LIMIT #{size}
+ </if>
+ </select>
+ <select id="selectByTimeZones" resultType="map">
+ select * from hangzhou_aqi where time in (
+ SELECT max(time) from (
+ select time,cast(aqi_json->"$.AQI" as SIGNED INTEGER) as aqi from hangzhou_aqi
+ ) hz where EXISTS ( select * from (
+ select max(cast(aqi_json->"$.AQI" as SIGNED INTEGER)) as max_aqi,
+ DATE_FORMAT(time,'%Y-%m-%d') as day_time
+ from hangzhou_aqi
+ where time >= #{startTime} and time <![CDATA[<=]]> #{endTime}
+ GROUP BY day_time
+ ) as max_result where day_time = DATE_FORMAT(hz.time,'%Y-%m-%d') and max_aqi = hz.aqi
+ ) GROUP BY DATE_FORMAT(time,'%Y-%m-%d') ORDER BY time ASC
+ )
</select>
</mapper>
\ No newline at end of file
--
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