面向对象的mfc的例子，本例子使用mfc思想架构了天气查询和更新，还是比较简单的小例子-object-oriented mfc example, the examples use mfc ideological structure of the query and update the weather, it is quite a simple small example
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000973s ]
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:0.064613s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001049s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001167s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001024s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003124s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000924s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003824s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015238s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001893s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 122661 [ RunTime:0.021031s ]
