利用这个Button类中的SetMenu（）可以代替菜单，也可以设置按钮按下和起来的状态，使按钮呈现动态效果，另一个重点就是它没有内存泄露问题。-Button to take this category SetMenu () can replace the menu, you can set up the button press and the state, so that dynamic effects of a button, and the other key point is it does not have memory leak problems.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001021s ]
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:0.078710s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000921s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001338s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000935s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003377s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001004s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003725s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015052s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001300s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 302036 [ RunTime:0.014813s ]
