本例是一个小程序，小球可根据直线运动，当到达屏幕边界时返回。-This example is a small program, small balls according to linear motion, when the reach the edge of the screen when you return.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002116s ]
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:0.088054s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002496s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001946s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002256s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003871s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002309s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003516s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015955s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002646s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 235140 [ RunTime:0.001338s ]
