一.參考鏈接:
https://blog.csdn.net/beidaol/article/details/86079157(MyBatis按今天、本週、本月過濾查詢)
https://blog.csdn.net/qq_41456723/article/details/100805761(MyBatis(MySQL)-- 年|月|周時間範圍內查詢統計)
https://blog.csdn.net/u010543785/article/details/52354957(mysql 按日、周、月、年統計sql語句整理,實現報表統計可視化)
https://blog.csdn.net/qq_39549434/article/details/78632984(使用MyBatis對項目中的統計功能進行處理的查詢語句優化)
https://www.cnblogs.com/huanghuanghui/p/9997041.html(mybatis報表,動態列與查詢參數+行列轉換)
https://blog.csdn.net/db_guy/article/details/78330529(mysql分別按照季,月,周分別統計數據:concat()函數)
https://blog.csdn.net/ydk888888/article/details/77965501(Mysql,Mybatis做時間過濾報表:日周月統計)
https://www.cnblogs.com/caoyc/p/5574948.html(Mybatis choose (when, otherwise)標籤)
https://www.w3school.com.cn/sql/func_date_format.asp(MySQL DATE_FORMAT() 函數)
1.if條件查詢
choose標籤是按順序判斷其內部when標籤中的test條件出否成立,如果有一個成立,則 choose 結束。
/**
* 統計信息
* @param timeType 時間範圍: 1 ==> 年; 2 ==> 月; 3 ==> 周;
* @return
*/
<select id="getBroadcastStatistics" resultType="com.rd.pojo.vo.BraodcastStatsVo">
SELECT
sum(bd.cog_id = '4') AS total,
sum(bd.proc_state = '1') AS ban,
sum(bd.proc_state = '2') AS disapper,
sum(bd.label_state = '0') AS new
FROM broadcast bd
<where>
<if test="timeType == 1">
DATE_SUB(CURDATE(), INTERVAL 1 YEAR) <= DATE(last_appeartime);
</if>
<if test="timeType == 2">
DATE_SUB(CURDATE(), INTERVAL 1 MONTH ) <= DATE(last_appeartime);
</if>
<if test="timeType == 3">
DATE_SUB(CURDATE(), INTERVAL 1 WEEK ) <= DATE(last_appeartime);
</if>
</where>
</select>
聲明:classType------0:今日,1:周,2:月,3:自定義,4:最近七天
<choose>
<when test="classType == 1">
AND DATE_FORMAT(s.create_time,'%Y%u') = DATE_FORMAT(CURDATE( ),'%Y%u')
</when>
<when test="classType == 2">
AND DATE_FORMAT(s.create_time,'%Y%m') = DATE_FORMAT(CURDATE( ),'%Y%m')
</when>
<when test="classType == 3">
<choose>
<when test="beginTime!=null and beginTime!='' and endTime == '' ">
AND Date(s.create_time) between #{beginTime,jdbcType=VARCHAR} and CURDATE()
</when>
<when test="endTime!=null and endTime!='' and beginTime == '' ">
AND Date(s.create_time) <= #{endTime,jdbcType=VARCHAR}
</when>
<when test="beginTime!=null and beginTime!='' and endTime!=null and endTime!= '' ">
AND Date(s.create_time) between #{beginTime,jdbcType=VARCHAR} and #{endTime,jdbcType=VARCHAR}
</when>
<otherwise>
AND Date(s.create_time) = CURDATE()
</otherwise>
</choose>
</when>
<when test="classType == 4">
AND date(s.create_time) between date_sub(curdate(), INTERVAL 6 DAY) and curdate()
</when>
<otherwise>
AND Date(s.create_time) = CURDATE()
</otherwise>
</choose>
<if test="params.selected == 'y'.toString() and params.beginTime != null and params.beginTime != '' ">
AND Year(create_time) >=#{params.beginTime}
</if>/*按照年度查詢*/
<if test="params.selected == 'y'.toString() and params.endTime != null and params.endTime != '' ">
AND Year(create_time) <= #{params.endTime}
</if>/**結束年度查詢*/
<if test="params.selected == 's'.toString() and params.beginTime != null and params.beginTime != '' ">
AND concat(Year(create_time),quarter(create_time)) >= concat(Year(#{params.beginTime}),day(#{params.beginTime}))
</if>/**按照季度查詢*/
<if test="params.selected == 's'.toString() and params.endTime != null and params.endTime != '' ">
AND concat(Year(create_time),quarter(create_time)) <= concat(Year(#{params.endTime}),day(#{params.endTime}))
</if> /**結束季度查詢*/
<if test="params.selected == 'm'.toString() and params.beginTime != null and params.beginTime != '' ">
AND date_format(create_time,'%y%m') >=date_format(#{params.beginTime},'%y%m')
</if>/**按照月份查詢*/
<if test="params.selected == 'm'.toString() and params.endTime != null and params.endTime != '' ">
AND date_format(create_time,'%y%m') <= date_format(#{params.endTime},'%y%m')
</if> /**結束月份查詢*/
<if test="params.selected == 'd'.toString() and params.beginTime != null and params.beginTime != '' ">
AND date_format(create_time,'%y%m%d') >= date_format(#{params.beginTime},'%y%m%d')
</if><!-- 開始時間檢索 (按照天查詢)-->
<if test="params.selected == 'd'.toString() and params.endTime != null and params.endTime != '' ">
AND date_format(create_time,'%y%m%d') <= date_format(#{params.endTime},'%y%m%d')
</if> <!-- 結束時間檢索 (結束天查詢)-->
2.choose條件查詢
<choose>
<when test="params.selected ='y'">
<if test="params.beginTime != null and params.beginTime != '' ">
AND Year(create_time) >=#{params.beginTime}
</if>
<if test="params.endTime != null and params.endTime != '' ">
AND Year(create_time) <= #{params.endTime}
</if>
</when>
<when test="params.selected ='s'">
<if test="params.beginTime != null and params.beginTime != '' ">
AND concat(Year(create_time),quarter(create_time)) >= concat(Year(#{params.beginTime}),day(#{params.beginTime}))
</if>
<if test="params.endTime != null and params.endTime != '' ">
AND concat(Year(create_time),quarter(create_time)) <= concat(Year(#{params.endTime}),day(#{params.endTime}))
</if>
</when>
<when test="params.selected ='m'">
<if test="params.beginTime != null and params.beginTime != '' ">
AND date_format(create_time,'%y%m') >=date_format(#{params.beginTime},'%y%m')
</if>
<if test="params.endTime != null and params.endTime != '' ">
AND date_format(create_time,'%y%m') <= date_format(#{params.endTime},'%y%m')
</if>
</when>
<otherwise>
<where>
<if test="params.beginTime != null and params.beginTime != '' ">
AND date_format(create_time,'%y%m%d') >= date_format(#{params.beginTime},'%y%m%d')
</if>
<if test="params.endTime != null and params.endTime != '' ">
AND date_format(create_time,'%y%m%d') <= date_format(#{params.endTime},'%y%m%d')
</if>
</where>
</otherwise>
</choose>