IO口模拟串口发送，可用于双串口，可被其他程序调用
void rs2_send_byte(uchar cByte)
向串口发送一个字节-Send serial port analog IO, can be used for dual-serial port, other procedures can be called void rs2_send_byte (uchar cByte) sends a byte to the serial port
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001363s ]
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:0.092750s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001306s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001233s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003648s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003435s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015606s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001443s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 145312 [ RunTime:0.001252s ]
