利用8279芯片实现通过2X8键盘输入加数和被加数并计算出结果，同时将加数、被加数和结果都在LED灯上显示出来。-Chip 8279 through the use of 2X8 and keyboard input addend addend and calculated results, at the same time, addend, addend and the results were in the LED lights on the display.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001059s ]
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:0.086227s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001177s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001169s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001073s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003123s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000965s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004787s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016104s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001236s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 169576 [ RunTime:0.029785s ]
