在板与板之间常用到的通信，就是用一般IO口模拟IR去控制另一片板，使用起来非常方便-In common between the board and board of communications, is using an ordinary analog IO port IR to control another chip board, very convenient to use
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.004456s ]
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:0.078245s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001236s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001348s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001349s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003199s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001013s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003698s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015135s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001611s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 180952 [ RunTime:0.017875s ]
