这个程序是模拟学校学籍管理软件，可以添加，修改，删除学生学籍问题。并且使用数据库记录学生信息！-The program is the schooling of the school management simulation software, they can add, modify or delete student credentials. The use of database records and student information!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001451s ]
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:0.093519s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001255s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001962s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001227s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003705s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001079s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003306s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015105s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001531s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 144253 [ RunTime:0.001379s ]
