自己开发的，多边形扫描线填充算法，采用橡皮筋模式确定多边形轮廓，经调试通过，此代码效率很高-its own development, filled polygon scan line algorithm, using rubber-band model to determine polygon outline, debugger, this code efficiency
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002547s ]
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:0.092356s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001850s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001950s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002201s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003659s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002050s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003196s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014544s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002274s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 114456 [ RunTime:0.001186s ]
