Windows GDI接口编程，实现放大镜功能，主要是对DC的操作，适合初学者-Windows GDI interface programming, realize the magnifying glass feature, mainly for DC operation, suitable for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001839s ]
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:0.084615s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002527s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001870s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002113s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003715s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002343s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003328s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014405s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002308s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 122294 [ RunTime:0.001156s ]
