本人在测试与仪表通讯时写的简单的串口接受程序，对初学者有很大帮助-I tested with the instrument of communication when writing simple serial port to accept the procedures are very helpful for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001745s ]
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:0.088070s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001275s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001939s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001258s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003651s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001070s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003202s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015155s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001516s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 316257 [ RunTime:0.001535s ]
