这只是个简单的小程序，主要是实现三维物体的绘制：在窗口绘制一个多面体和二次曲面，在代码中添加光照函数。-This is just a simple small program, primarily to achieve three-dimensional object drawing: In the window, draw a polyhedron and second surfaces, add lighting function in the code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001347s ]
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:0.091732s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003905s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001237s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000979s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002876s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000804s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003699s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.049188s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.016979s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 234107 [ RunTime:0.018386s ]
