基于16f877的单片机人数统计系统源码，可统计进出门的人数，用数码管显示-16f877 microcontroller based on the number of source statistical system can go out into the number of statistics, with digital display
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001950s ]
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:0.091770s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002965s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002446s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004689s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002157s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004175s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018112s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002660s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 170892 [ RunTime:0.001084s ]
