利用Windows Shell编程，获得文件的缩略图，并利用双缓冲技术显示到界面上-The use of Windows Shell programming, access to the document thumbnails, and use double buffering technology on display to the interface
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001295s ]
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:0.089981s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001263s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002109s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001414s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003700s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001124s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003310s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015376s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001487s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 151990 [ RunTime:0.001305s ]
