一个 vc编写的 com和lpt 控制打印的原代码
对于初学 串口和并口通信的有一定帮助-Vc prepared a com and lpt control of printing the original code for serial and parallel port beginner communication has a certain extent, help
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001797s ]
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:0.109257s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001257s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001894s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001223s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003754s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001122s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003194s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015046s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001382s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 121874 [ RunTime:0.001412s ]
