判断点是否在多边形中，输入要求有组成多边形的点和要判断是否在多边形中的点，速度快！-To determine whether the polygon points, enter the required polygon composed of points and to determine whether the points in the polygon, fast!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.005964s ]
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:0.104482s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.050739s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002061s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002870s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003971s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002698s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003478s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015915s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002259s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 157450 [ RunTime:0.001421s ]
