用DELPHI获取U盘序列号。
通过此功能可以把系统放在U盘上，防止别人拷走。-U disk using DELPHI obtain serial number. With this feature can be placed on U disk system to prevent others taking copy.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001676s ]
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:0.094935s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001119s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001805s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001147s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003657s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000966s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003111s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014275s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001264s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 108866 [ RunTime:0.001195s ]
