该程序是实现蓝牙串口通信的，在计算机上用vb进行编程，打开蓝牙的uart口，从而打开蓝牙的串口。-Bluetooth serial communications, computers programmed with vb, Bluetooth UART open mouth, open the Bluetooth Serial Port.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001339s ]
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:0.068701s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001016s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001211s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000977s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003111s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000896s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003854s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015550s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001237s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 113938 [ RunTime:0.013749s ]
