本设计模拟文件管理工作流程, 编写了一个树型的目录结构的文件系统，可支持多用户、树型目录结构文件操作-Simulation of the design document management workflow, the preparation of a directory tree structure of the file system that supports multi-user, the directory tree structure of file operations
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001340s ]
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:0.091597s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001196s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001932s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001185s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003684s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001015s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003199s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014809s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001302s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 230334 [ RunTime:0.001349s ]
