C++学习重点是实现面向对象的设计，抽象出一个类，这是学习类的一些好例子，敬请关注-C study is focused on object-oriented design, from an abstract category, which is kind of learning some good examples, please concerns
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003132s ]
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:0.089564s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002592s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002414s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002256s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003703s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002112s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003214s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016350s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002822s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 72237 [ RunTime:0.001789s ]
