avr单片机atmega8系列定时器的使用测试程序，本程序为示例程序，适用于初学者
-avr SCM timer atmega8 series of testing procedures, the procedures for sample procedures applicable to beginners
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001070s ]
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:0.091738s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001932s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001910s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001471s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003191s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001023s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003622s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015498s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001302s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 315003 [ RunTime:0.017065s ]
