用foxpro编写的书籍管理，可进行新书登记、旧书删除、图书浏览以及借还，还可以添加新用户、修改密码-used books prepared by the management, can register for books, books deleted, and browse through books also can also add new users, changing passwords
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001254s ]
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:0.121676s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001375s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003475s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.005240s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.008355s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001165s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004433s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015327s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001161s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 321490 [ RunTime:0.012093s ]
