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:0.001232s ]
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:0.063134s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000953s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001108s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000900s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003139s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000702s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003597s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015082s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001079s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 307120 [ RunTime:0.015367s ]
