3D波动网格，不使用DirectX，在窗口中画显示波动的3D网格效果，具有较高的学习价值-Fluctuations in 3D meshes, do not use DirectX, painting in the window display fluctuations 3D grid effect, have a high learning value
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001477s ]
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:0.099729s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001359s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001944s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001381s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003663s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001181s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003376s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015465s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001527s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 246577 [ RunTime:0.001342s ]
