一个面向对象化的结构分析串口通信处理，非常好的说明串口通信-An object-oriented analysis of the structure of deal with serial communication, a very good description of serial communication
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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:0.092000s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001250s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001245s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003661s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001110s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014565s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001419s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 133370 [ RunTime:0.001227s ]
