屏幕的捕获其实就是抓屏程序，原理是获取桌面句柄，创建画布，最后进行位图存储。-screen capture is actually Capturing the Screen procedures and the principles of access to the desktop handle, the creation of canvas, for the final bitmap storage.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001126s ]
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:0.080827s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001003s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003270s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001130s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004721s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001301s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.023853s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018674s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001316s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 322503 [ RunTime:0.011965s ]
