本代码实现了在三维空间中的飞行等设计，三维空间物体种类较多，较好的实现了模拟效果。-the code achieved in the 3D space flight such as design, 3D space objects more categories. achieve a better simulation effects.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001512s ]
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:0.089779s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000996s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001131s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000890s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003350s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000835s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003923s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015029s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001169s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 261042 [ RunTime:0.013035s ]
