用JAVA模拟操作系统的文件管理，主要是用Fat表的形式来组织的文件系统的数据结构。-JAVA simulation using the document management system, Fat is mainly used to organize the form of file system data structures.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001751s ]
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:0.125669s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001305s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001921s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001525s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005358s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001378s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006924s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025976s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001730s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 49224 [ RunTime:0.020017s ]
