MFC编的仿微软计算器，功能包括简单的运算和一些常用的功能，可扩展性强，程序简单易懂。-MFC series like Microsoft calculator, features include simple arithmetic and some commonly used features, scalability, and easy-to-understand procedures.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001421s ]
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:0.090318s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001185s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002291s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001204s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003564s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000996s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003392s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016946s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001357s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 138123 [ RunTime:0.001402s ]
