一个小型的图书管理系统，能进行图书的借阅河用户管理功能。不是很完善，仅供参考。-A small library management system, can borrow books, r. user management capabilities. Not very perfect, for informational purposes only.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001098s ]
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:0.075756s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000989s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001169s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001017s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003197s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000824s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003935s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014481s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001060s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 220880 [ RunTime:0.015343s ]
