智能计数器，对外部信号脉冲进行计数，并将脉冲个数显示出来。
基本要求：计数至少65536个脉冲，并将脉冲个数显示出来。
-intelligent counter, the external signal pulse counting, pulse number will be displayed. Basic requirements : at least 65,536 Count pulse, and pulse number displayed.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001498s ]
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:0.078596s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001161s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001253s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001058s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003250s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000892s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004020s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022126s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001502s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 143515 [ RunTime:0.016075s ]
