一个基于PCF8563芯片的时钟程序。通过51单片机控制PCF8563芯片的初始化，读取和附值-PCF8563 a chip on the clock procedures. Through 51 PCF8563 chip microcontroller control of initialization, reading and the value attached
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001844s ]
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:0.146705s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001505s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001926s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001258s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003880s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001090s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003364s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016197s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001440s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 154282 [ RunTime:0.001177s ]
