此源码不是很难，但是个人所写，主要是对数字信号处理的数字滤波的一种实现。-This source code is not difficult, but written by individuals, mainly on digital signal processing to achieve a digital filter.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001005s ]
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:0.075635s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000982s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001120s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000984s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003002s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000828s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003681s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016395s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001114s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 207386 [ RunTime:0.015291s ]
