二维32位定点傅里叶变换，精度很高哦，附有测试图片，需安装opencv-32-bit fixed-point two-dimensional Fourier transform, high precision Oh, with test images, the need to install opencv
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001352s ]
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:0.115489s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001156s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001934s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001285s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003640s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001057s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004019s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025330s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002123s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 288341 [ RunTime:0.001664s ]
