主要是应用VC进行傅立叶变换和反变换的程序，主要采用快速傅立叶方法，因为傅立叶变换的时间很长。-VC primarily used for Fourier transform and inverse transform process, the main use of fast Fourier methods, because the Fourier transform of the time very long.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.011264s ]
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:0.119204s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.006642s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002024s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001393s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005279s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001251s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007884s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021878s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001101s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 197631 [ RunTime:0.013791s ]
