启用键盘快捷键等向串口发送数据控制机器人运动，提供一个开发实例，上位机，下位机，陆续上传！能不能多给点分数-Enable keyboard shortcuts and so on to send data to control robot serial port to provide a development instance, host computer, the next-bit machine, one after another upload! Be able to give points scores? ?
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.012204s ]
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:0.084664s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000962s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001526s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001684s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003591s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000844s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003806s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018940s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001157s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 230303 [ RunTime:0.011730s ]
