课程设计做的基本程序，可实现串口通信，定时，键盘扫描等功能！-Curriculum design to do the basic procedures can realize serial communication, timing, keyboard scanning and other functions!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002643s ]
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:0.089093s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.005134s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003501s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002916s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004102s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002132s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003525s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015187s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002444s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 234365 [ RunTime:0.001297s ]
