普通IO口模拟RS232串口 占用定时器0中断 在TH0,TL0中设置波特率的大小 注意不要开定时器0的中断，这里用的是查询方式-ordinary RS232 serial I simulated occupancy Timer 0 interrupt the switching, TL0 set baud rate to the size not to open the Timer 0 interrupt here with the inquiry
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002360s ]
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:0.089602s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001257s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001944s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001288s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003695s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001101s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003196s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015376s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001434s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 127923 [ RunTime:0.001252s ]
