因需要，单片机的键盘扫描和数码管显示共用一口，用定时器实现，原创-Due to the needs of single-chip microcomputer keyboard scanning and sharing a digital tube display with a timer to achieve the original
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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:0.090700s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001205s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001214s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003550s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001041s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001380s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 207692 [ RunTime:0.001648s ]
