利用单片机普通I/0口进行模拟IIC通信，从而实现24c02读写操作-The use of ordinary single-chip I/0 I mock IIC communication, reading and writing operation in order to realize 24C02
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002235s ]
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:0.087028s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002452s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002013s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002725s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003769s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002126s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003270s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014958s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002841s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 206974 [ RunTime:0.001180s ]
