已知24位位图图像，计算其质心位置，并以质心为极点在边界相应位置取点-known bitmap images, calculate the center position, and center pole of the border point from the corresponding location
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001180s ]
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:0.100405s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001170s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001915s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001208s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003627s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001104s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003252s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.020166s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001974s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 304814 [ RunTime:0.001452s ]
