一个功能简单的图书馆管理系统，但是基本功能都已经实现，界面简洁漂亮．-a simple function of the library management system, but the basic functions have now been achieved, pretty simple interface.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001255s ]
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:0.087250s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001158s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001961s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001167s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003660s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001012s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003250s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014581s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001214s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 290936 [ RunTime:0.001442s ]
