用java编写的学生管理系统，还不错，实现了课程管理，成绩管理，班级管理，学籍管理等-To prepare students to use java management system, is also true that the achievement of the curriculum management, performance management, class management, school management, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001045s ]
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:0.079352s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001032s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001506s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001014s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003084s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000897s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003877s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015205s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001110s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 47384 [ RunTime:0.023113s ]
