在vc++环境下是现在串口通信通信，利用mscomm控件实现，具有很强的借鉴意义。-In vc++ environment is the serial communication communications, the use of control mscomm realized, has a strong reference.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001730s ]
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:0.129607s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001809s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003293s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001759s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005897s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001675s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005643s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016853s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001715s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 63873 [ RunTime:0.001466s ]
