实现三维对象的平移，旋转变换，以及投影变换。 程序运行按键说明：a,s,d,w四键产生平移变换，x,X,y,Y,z,Z六键产生旋转变换，PageUp使镜头拉进，PageDown键使镜头推远。-3D object translation, rotation transformation, and the projection transformation. Running Press : a, s, d, w 4 keys generated translation transform, x, x, y, Y, z, Z six key rotation transform, Page dragged into the lens, the lens Prompt button pushed far.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001048s ]
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:0.078554s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001026s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001537s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001194s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003926s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001016s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004230s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015719s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001183s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 219285 [ RunTime:0.014991s ]
