电子工业出版社的，详细介绍windows环境和dos环境下的串口通信基本方法等-The Publishing House of Electronics Industry, detailing windows and dos environment basic methods of serial communication
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001493s ]
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:0.098896s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001733s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002720s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001862s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004483s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001496s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004049s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019152s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001763s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 176366 [ RunTime:0.004156s ]
