VB net 模拟考试系统,本考试时间为30分钟，系统会进行倒计时。你必须正确输入你所在班级、姓名和学号，交卷后不能再考，即时间未到不要急于点""交卷""！点击""确定""进入考试系统。本考试系统的窗口只允许打开一个，程序会判断窗体是否已经打开，如果已经打开，则不需要重复打开，只是显示。
程序正常运行需要SQL数据库，请在测试前附加并连接好。
文 件 列 表
codesc.net 模拟考试系统 data StudentsInf_log.ldf 模拟考试系统 模拟考试系统 data StudentsInf.mdf codesc.net
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001378s ]
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:0.095385s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001260s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001917s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001242s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003718s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001062s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003182s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014942s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001571s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 291793 [ RunTime:0.001355s ]
