点光源河面光源的实例，用于在DXUT场景的渲染。这里给出的c++代码，适合初学者-Point light source examples of the river for the DXUT scene rendering. Given here c++ Code, suitable for beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001257s ]
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:0.091429s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001172s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001895s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001164s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003556s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000950s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003351s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014757s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001314s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 88651 [ RunTime:0.001718s ]
