java做的一个学生成绩系统，很粗糙而且功能有限，是老师要求做的作业，呵呵！刚刚开始学习JAVA-java to do a student achievement system, it is rough and limited functions, is the teacher asked to do the operation, huh, huh! Just started to learn JAVA
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000993s ]
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:0.074494s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001137s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001374s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001180s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003286s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000950s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003960s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014778s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001157s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 44767 [ RunTime:0.022441s ]
