基于STM32的文件系统设计，运行后可以在SD卡上新建一个你自己命名的文件，然后按你自己的需要写入相关内容。-STM32-based file system designed to run on the SD card after you create a named file, and then according to your own need to write relevant content.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001474s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.089251s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001437s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002250s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001485s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005771s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001301s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007333s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016188s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001072s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 230516 [ RunTime:0.019873s ]
