计算坐标是否落在给定三顶点的三角形内程序 （做多边形图形填充时的副产品）-calculated coordinates fall on whether to set three vertices within the triangle (polygon graphics do when filling a byproduct)
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001698s ]
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:0.138273s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001400s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002002s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001313s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004137s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001194s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003500s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016622s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001531s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 148166 [ RunTime:0.001981s ]
