实现了一个计算器应用程序，介绍了对话框添加菜单，高级按钮控件，高级编辑控件，对话框的扩展功能等应用。-Realize a calculator application, introduction of the dialog box to add the menu, advanced button controls, a senior editor control extensions dialog applications.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001312s ]
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:0.093681s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001262s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001905s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001244s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004270s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001113s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003174s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015733s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001372s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 286974 [ RunTime:0.001222s ]
