usb下载线，可以完全取代并口下载，为没有并口的笔记本提供方便。-usb download cable, you can completely replace the parallel port to download, there is no parallel port for the notebook with ease.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001042s ]
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:0.098859s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001002s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001122s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000993s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003068s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000926s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003716s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016363s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001100s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 197003 [ RunTime:0.023777s ]
