leetcode-1853. 转换日期格式

 

 

1853. 转换日期格式

https://leetcode.cn/problems/convert-date-format/

 

SQL:

SELECT concat(dayname(day), ', ', monthname(day), ' ', day(day), ', ', year(day)) AS day

FROM Days

结果
{"headers": ["day"], "values": [["Tuesday, April 12, 2022"], ["Monday, August 9, 2021"], ["Friday, June 26, 2020"]]}

 

 

 

 

使用到的几个知识点

 

mysql 月份转英文 monthname()

 示例：MySQL MONTHNAME() from numbers     

 

mysql 星期几

使用dayofweek()函数，结合 case when 

SELECT
CASE
DATE_FORMAT(NOW(),'%w')
WHEN 1 THEN '星期一'
WHEN 2 THEN '星期二'
WHEN 3 THEN '星期3'
WHEN 4 THEN '星期4'
WHEN 5 THEN '星期五'
WHEN 6 THEN '星期6'
WHEN 7 THEN '星期日'
END
as week

https://blog.csdn.net/qq_42583263/article/details/124887900

 

 

 

mysql 星期几转英文  dayname()

示例：

mysql> select dayname('20200905');

+---------------------+

| dayname('20200905') |

+---------------------+

| Saturday |

+---------------------+