WebGL是一种3D绘图标准，这种绘图技术标准允许把JavaScript和OpenGL ES 2.0结合在一起，通过增加OpenGL ES 2.0的一个JavaScript绑定，WebGL可以为HTML5 Canvas提供硬件3D加速渲染，这样Web开发人员就可以借助系统显卡来在浏览器里更流畅地展示3D场景和模型了，还能创建复杂的导航和数据视觉化。本例为使用webgl实现的画点
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000964s ]
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:0.083524s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000967s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001113s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000978s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003038s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000935s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003705s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015038s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001281s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 81332 [ RunTime:0.021210s ]
