本程序实现了动态创建和撤销工具栏和状态栏，是vc入门的一个简单的例子-This programme achieves creating and withdrawing the toolbar and the statusbar dynamically.It is a simple example of VC introduction.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001309s ]
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:0.089186s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001156s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002037s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001193s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003792s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001050s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003208s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014798s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001503s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 119683 [ RunTime:0.001641s ]
