Getting The Filename Given A Window Handle，获得窗口句柄的文件名，学习源码。
-Getting The Filename Given A Window Handle, window handle to obtain the file name, learning source.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002247s ]
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:0.087380s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002681s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003324s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002819s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006126s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002568s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006155s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025318s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003215s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 162619 [ RunTime:0.001402s ]
