简单的学生管理系统，这是第一次编写的时候的一个系统，还是希望大家一起学习学习-A simple student management system, which is the first time prepared a system or do you want everyone to learn to learn
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001739s ]
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:0.129312s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001084s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001852s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001084s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005142s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001578s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005385s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017912s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001863s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 69363 [ RunTime:0.003583s ]
