上代码
UPDATE `wp_posts` SET `post_date` = DATE_ADD('2014-1-01', INTERVAL ROUND(RAND() * 500 + 1) DAY) WHERE `ID` between 6297 AND 14332;
update `wp_posts` set `post_modified` = `post_date` WHERE `ID` between 1 AND 1000;
update `wp_posts` set `post_date_gmt` = `post_date` WHERE `ID` between 1 AND 1000;
update `wp_posts` set `post_modified_gmt` = `post_modified` WHERE `ID` between 1 AND 1000;
update `wp_posts` set `post_status` = 'publish' WHERE `ID` between 1 AND 1000;
SQL语句详解
UPDATE `wp_posts` SET `post_date` = DATE_ADD('起始时间', INTERVAL ROUND(RAND() * 随即日期范围单位：天 + 1) DAY) WHERE `ID` between 6297 AND 14332;
update `wp_posts` set `post_modified` = `post_date` WHERE `ID` between 起始ID AND 结束ID;
update `wp_posts` set `post_date_gmt` = `post_date` WHERE `ID` between 起始ID AND 结束ID;
update `wp_posts` set `post_modified_gmt` = `post_modified` WHERE `ID` between 起始ID AND 结束ID;
update `wp_posts` set `post_status` = 'publish' WHERE `ID` between 起始ID AND 结束ID;
PS：有时为了吸引蜘蛛爬行，经常会重新修改一下最后更改时间，蜘蛛以为文章已经更新了，就会来爬，但这种方法不适宜多次使用，有欺骗蜘蛛的风险，各位自行承担。
作者：诗无尽头i
链接：https://www.jianshu.com/p/973e6f979dd9
来源：简书
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