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:0.000977s ]
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:0.094353s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001504s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002027s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001322s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005303s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001076s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007090s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017741s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001392s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 234365 [ RunTime:0.013876s ]
