数据库日历表

CREATE TABLE yx_news_num (i int);-- 创建一个表用来储存0-9的数字
INSERT INTO yx_news_num (i) VALUES (0), (1), (2), (3), (4), (5), (6), (7), (8), (9);-- 生成0-9的数字，方便以后计算时间

CREATE TABLE if not exists yx_news_date(datelist date); -- 生成一个存储日期的表，datalist是字段名

-- 这里是生成并插入日期数据
INSERT INTO yx_news_date(datelist) SELECT
adddate(
( -- 这里的起始日期，你可以换成当前日期
DATE_FORMAT("2000-1-1", '%Y-%m-%d')
),
numlist.id
) AS `date`
FROM
(
SELECT
n1.i + n10.i * 10 + n100.i * 100 + n1000.i * 1000 + n10000.i * 10000 AS id
FROM
yx_news_num n1
CROSS JOIN yx_news_num AS n10
CROSS JOIN yx_news_num AS n100
CROSS JOIN yx_news_num AS n1000
CROSS JOIN yx_news_num AS n10000
) AS numlist;