这是一个很没有用链表进操作的学生信息管理系统，对文件操作和函数有很大提高，是编程初学者很好的借鉴程序-This is a useless list of students into the operation of information management systems, operation and function of the document have greatly improved, and is programmed from a very good program for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001990s ]
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:0.087530s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002312s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002077s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002155s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003670s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002060s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003302s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015237s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002545s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 188561 [ RunTime:0.001226s ]
