朋友管理系统，很适合初学者，MFC编写，
访问数据库，只要说明数据库即可-Friend management system, very suitable for beginners, MFC write, access to the database, the database can be as long as the description
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001499s ]
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:0.095292s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001463s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002092s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001397s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003787s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001440s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003368s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.023785s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002179s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 183048 [ RunTime:0.001581s ]
