本程序是实现灰度处理的方法，通过这种方法计算灰度分割门限，进行图像灰度处理-This program is to achieve gray-scale processing methods, by which method gray-scale segmentation threshold for image gray-scale processing
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001827s ]
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:0.143069s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001684s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003372s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001798s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006486s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001509s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006283s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026247s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002061s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 312859 [ RunTime:0.001472s ]
