这是一个凸多边形中轴算法：解压后在vc++6.0中运行即可，鼠标逆时针在客户区取点，如顺时针取点或形成的多边形为凹多边行，程序会自动退出（详情可参见代码）-This is a convex polygon axial algorithm : unpacked in vc 6.0 can be run, mouse anti-clockwise from the customer area, as a clockwise or take the form of concave polygon multilateral OK, the program will automatically withdraw from the (details can be found in code)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002004s ]
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:0.092743s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001139s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001393s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001089s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003513s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001025s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003877s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014798s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001507s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 65365 [ RunTime:0.019144s ]
