基于LPC21xx的PCF8563（I2C RTC）实时时钟程序，按键与菜单方式驱动，可根据注释修改。-Based on LPC21xx the PCF8563 (I2C RTC) Real Time Clock procedures, button and menu-driven approach can be modified in accordance with the Notes.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002113s ]
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:0.090079s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002255s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002118s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002317s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003661s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001945s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003254s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014913s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002499s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 116244 [ RunTime:0.001175s ]
