用vc + mapobjects开发的源代码，用鼠标对多边形进行操作，实现了多边形的缩放功能。-with vc MapObjects development of the source code, using the mouse to operate polygons and achieve the polygon"s zoom function.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001116s ]
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:0.083030s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001062s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002051s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001114s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003589s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001060s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003208s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014093s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001236s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 124980 [ RunTime:0.001274s ]
