这个个系统是学生管理系统。利用SDK做界面，用双向链表做排序，功能简单，但是思路清晰，有不到指出多原谅-systems is the Student Management System. Do use SDK interface, so with two-way linked list, in order of functions simple, but clear ideas that are not more forgiving
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002045s ]
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:0.086695s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002756s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002105s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002251s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003863s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001968s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003318s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014895s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002660s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 111172 [ RunTime:0.001295s ]
