数字图像腐蚀程序。参数中有一个BOOL变量，
为真时，表示在水平方向进行腐蚀运算，否则在竖直方向上进行腐蚀运算。-digital image corrosion process. Parameters have a BOOL variable to true, in the horizontal direction corrupting computation, Otherwise, the vertical direction on erosion.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.003175s ]
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:0.088976s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002435s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001971s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002218s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003725s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002002s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003221s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016175s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002669s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 167506 [ RunTime:0.001300s ]
