虚拟现实中常用的数学模型，编写成程序，提供接口可以直接调用，-Virtual Reality mathematical model commonly used in the preparation into a procedure, providing an interface can directly call
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001534s ]
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:0.120431s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.006762s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003212s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001538s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005322s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001623s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004473s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015220s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001513s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 169988 [ RunTime:0.001408s ]
