关于USB便携多道系统，PC端客户软件。调用硬件前，须安装好设备驱动程序，使Windows找到USB便携多道设备，否则可以使用其中的软件模拟功能。-on USB portable multi-channel system, the client PC software. Call hardware, it should install a device driver, Windows find USB portable multi-channel equipment, which can use the software simulation function.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001031s ]
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:0.078814s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001104s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001177s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000958s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003116s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000807s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003681s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016140s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001569s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 120426 [ RunTime:0.015486s ]
