本软件是一个教务系统，她可供学生选课，教师增添学生，设置密码，没有多大使用性，但可以作为代码参考-the software is an academic system, she classes for students, teachers adds to students, set a password, is not much use, but can be used as reference source
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001148s ]
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:0.089879s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001221s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001886s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001217s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003632s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001029s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003234s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015027s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001406s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 307120 [ RunTime:0.001426s ]
