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:0.001123s ]
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:0.075551s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001141s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001139s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001182s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003336s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001023s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003624s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.013873s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001042s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 183048 [ RunTime:0.012733s ]
