使用VC开发的一个小型图书管理系统，该系统还可以在此基础上进行扩充与升级，有利于初学者参考。-use VC development of a small library management system, which also can serve as a basis for expansion and upgrading, help advanced users.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002159s ]
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:0.085568s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002625s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002718s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002701s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005013s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002533s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004567s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015288s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003339s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 242534 [ RunTime:0.001653s ]
