I2C通信,主要是说明串口的通讯，对串口的接收进行详细地解释-I2C communications, mainly states the serial communication, the receiver of the serial port to conduct a detailed explanation
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000968s ]
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:0.098330s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001161s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001668s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001655s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003976s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001035s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004063s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017166s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001201s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 110133 [ RunTime:0.014194s ]
