该程序实现了串口之间的相互通信，是异步串口通信，可以设置串口号-Implementation of the procedures between the serial communications, serial communication is asynchronous, the classic experimental procedures for computer networks
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001318s ]
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:0.090158s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001285s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001977s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001250s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003702s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001093s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003326s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014929s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001334s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 158554 [ RunTime:0.001411s ]
