本系统是采用JSP+Servlet+JavaBean开发模式,SQL Server 2008数据库开发的一个课程管理系统。本论文对系统的需求分析、数据库设计、功能的详细设计进行了阐述,实现了后台模块的功能,包括:综合信息维护、查看审批教师申请、课程控制中心、修改个人信息。该系统具有易操作、界面友好、安全性强、易扩充以及运行效率高等特点。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001050s ]
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:0.093598s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001053s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001169s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000935s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003128s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000820s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003680s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014897s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.000997s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 79452 [ RunTime:0.016420s ]