在图像显示预处理中，常用到腐蚀算法，将图像进行扫描，复试后将得到灰度图。-Pretreatment of the image display, commonly used to corrosion algorithm, the image is scanned, re-testing will be grayscale.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001043s ]
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:0.084301s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001053s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001384s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005378s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001235s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006906s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025443s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001696s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 117465 [ RunTime:0.015843s ]
