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:0.094087s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003585s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005638s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001110s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001037s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 133370 [ RunTime:0.011197s ]
