本程序可以通过简单的操作实现对串口的控制，想了解祥细内容可以从代码中得到帮助。-this procedure can be realized by a simple pair of Serial control, would like to know the contents from the wound code be helped.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001508s ]
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:0.070342s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001072s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001181s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000970s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003136s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000827s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003614s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017589s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001126s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 282808 [ RunTime:0.017138s ]
