实验室管理网站，分为学生端和教师端，内有学生选课，留言板等等网站常用功能-Laboratory management site, students are divided into client-side and teachers, with students in classes, message boards, etc. Web site commonly used functions
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001940s ]
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:0.149777s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001860s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003097s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001492s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005566s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001586s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005427s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022862s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002010s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 317160 [ RunTime:0.001600s ]
