一个简单的视频预览和发送程序，程序里面已经实现了视频的预览和发送，但是没有做视频文件的压缩。-a simple video preview and delivery procedures, procedures which have achieved a preview of the video and sent, But not so compressed video files.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001573s ]
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:0.118314s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001348s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002513s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001376s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005555s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001787s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006257s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019123s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001547s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 283402 [ RunTime:0.001455s ]
