2023-06-12 02:16:01
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1161
mysql查询年月日的数据
# 查询每天的数据
SELECT
COUNT(1) AS countNumber,
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') AS dateTime,
addtime
FROM admin_log
GROUP BY DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') ;
本月每天 DATE_FORMAT(时间字段,'%Y%m')=DATE_FORMAT(CURDATE(),'%Y%m');
SELECT
COUNT(1) AS countNumber,
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') AS dateTime,
addtime
FROM admin_log
WHERE DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y%m')= DATE_FORMAT(CURDATE(),'%Y%m')
GROUP BY DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') ;

# 查询每月的数据:by month
SELECT
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m') AS month,
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-01') AS createDate,
COUNT(*) AS countNumber
FROM project_case
GROUP BY month ORDER BY month ASC;
# 查询每年的数据
SELECT
COUNT(1) AS countNumber,
YEAR(DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d')) AS dateTime
FROM admin_log
GROUP BY YEAR(DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d')) ;

时间为日期类型==================================================
# 查询每天的数据
SELECT
COUNT(1) AS countNumber,
DATE_FORMAT(create_time,'%Y-%m-%d') AS dateTime
FROM project_case
GROUP BY DATE_FORMAT(create_time,'%Y-%m-%d');
# 查询每周的数据
SELECT
DATE_FORMAT(create_time,'%Y-%u') AS week,
DATE_FORMAT(DATE_SUB(create_time,INTERVAL DAYOFWEEK(create_time) - 2 DAY),'%Y-%m-%d') AS createDate,
COUNT(*) AS countNumber
FROM project_case
GROUP BY week ORDER BY week ASC;
# 查询每月的数据:by month
SELECT
DATE_FORMAT(create_time,'%Y-%m') AS month,
DATE_FORMAT(create_time,'%Y-%m-01') AS createDate,
COUNT(*) AS countNumber
FROM project_case
GROUP BY month ORDER BY month ASC;
# 查询每年的数据
SELECT
COUNT(1) AS countNumber,
YEAR(create_time) AS dateTime
FROM project_case
GROUP BY dateTime;
参考:https://www.jianshu.com/p/3f25da4c9a07
https://blog.csdn.net/VIP_1205169154/article/details/108552768
SELECT
COUNT(1) AS countNumber,
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') AS dateTime,
addtime
FROM admin_log
GROUP BY DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') ;
本月每天 DATE_FORMAT(时间字段,'%Y%m')=DATE_FORMAT(CURDATE(),'%Y%m');
SELECT
COUNT(1) AS countNumber,
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') AS dateTime,
addtime
FROM admin_log
WHERE DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y%m')= DATE_FORMAT(CURDATE(),'%Y%m')
GROUP BY DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d') ;

# 查询每月的数据:by month
SELECT
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m') AS month,
DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-01') AS createDate,
COUNT(*) AS countNumber
FROM project_case
GROUP BY month ORDER BY month ASC;
# 查询每年的数据
SELECT
COUNT(1) AS countNumber,
YEAR(DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d')) AS dateTime
FROM admin_log
GROUP BY YEAR(DATE_FORMAT(FROM_UNIXTIME(addtime),'%Y-%m-%d')) ;

时间为日期类型==================================================
# 查询每天的数据
SELECT
COUNT(1) AS countNumber,
DATE_FORMAT(create_time,'%Y-%m-%d') AS dateTime
FROM project_case
GROUP BY DATE_FORMAT(create_time,'%Y-%m-%d');
# 查询每周的数据
SELECT
DATE_FORMAT(create_time,'%Y-%u') AS week,
DATE_FORMAT(DATE_SUB(create_time,INTERVAL DAYOFWEEK(create_time) - 2 DAY),'%Y-%m-%d') AS createDate,
COUNT(*) AS countNumber
FROM project_case
GROUP BY week ORDER BY week ASC;
# 查询每月的数据:by month
SELECT
DATE_FORMAT(create_time,'%Y-%m') AS month,
DATE_FORMAT(create_time,'%Y-%m-01') AS createDate,
COUNT(*) AS countNumber
FROM project_case
GROUP BY month ORDER BY month ASC;
# 查询每年的数据
SELECT
COUNT(1) AS countNumber,
YEAR(create_time) AS dateTime
FROM project_case
GROUP BY dateTime;
参考:https://www.jianshu.com/p/3f25da4c9a07
https://blog.csdn.net/VIP_1205169154/article/details/108552768