iic串行通信协议，iic上可以连接多个器件，每个器件可以有不同的地址码-IIC serial communication protocol, iic can connect multiple devices, each device can have a different address code
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001317s ]
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:0.090582s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001244s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001916s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001326s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003586s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001054s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003167s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014339s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001276s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 164740 [ RunTime:0.001285s ]
