学生信息管理系统。C入门课设内容，包括学生信息的录入、查询、排序、删除和打印，适用于C入门人员。-Student Information Management System. C-based introductory course, including student information entry, query, sort, delete, and print, apply to C entry personnel.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001299s ]
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:0.077773s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001281s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.005859s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003688s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004439s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001346s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003993s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020419s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002215s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 137026 [ RunTime:0.198658s ]
