定时器中断实验代码， 定时器3进行0.1秒定时，每0.5秒改变一次P2,P3口的值以产生走马灯效果。-timer interruption experimental code, three timers for 0.1 seconds regularly, every 0.5 seconds to change a P2, P3 to the values I have merry-go-round effect.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001450s ]
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:0.087094s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001046s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.004118s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001992s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006417s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001816s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004231s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024696s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001628s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 320746 [ RunTime:0.077890s ]
