程序包括的内容是单片机与电脑通过串口通讯的程序，读者可以很容易将此代码移植到自己的系统上。-Procedures, including the content is single-chip serial communication with the computer through the process, readers can easily transfer this code to your system.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002099s ]
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:0.088549s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.008552s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002073s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002181s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003899s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003287s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015326s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002524s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 208442 [ RunTime:0.001131s ]
