图像锐化算法，锐化的效果很明显，能达到预期的效果，很适合应用再实践中，运行速度一般。-Image sharpening algorithm, the effect of sharpening it is clear that to achieve the desired results, it is suitable for further practice, the operating speed in general.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001217s ]
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:0.064001s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001168s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001510s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001794s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003055s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000873s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004154s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016142s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001179s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 157972 [ RunTime:0.015261s ]
