采用VC++.NET编程环境中的MFC应用程序框架，编写一个基于对话框的简单计算器程序。-Using VC++. NET programming environment in the MFC application framework, write a simple calculator program based on the dialog box.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001297s ]
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:0.078838s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001024s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001128s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001090s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003279s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000956s ]
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:0.015802s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001155s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 60667 [ RunTime:0.020399s ]
