用TC对计算机的串口进行编程，并作一个简单的串口查询通讯程序。用一条九针的DB-9串口通讯线将计算机的com1口和com2口相连，com1作为接受口，com2作为发送口。-with TC on the serial port of computer programming, and for a simple serial communication program inquiries. Using a 9-pin DB-9 serial communication lines to the computer com1 mouth and COM2 I connected com1 as I accept that I send as COM2.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001802s ]
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:0.086169s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002457s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001884s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002043s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003639s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001867s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003151s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014929s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001830s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 126640 [ RunTime:0.001210s ]
