18B20温度传感器的单片机程序，检测当前环境温度并将温度数据返回到单片机。-Single-chip temperature sensor 18B20 procedure, testing the current ambient temperature and the temperature data back to the single chip.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.004390s ]
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:0.102599s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001279s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001264s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003733s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001105s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014978s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001487s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 177148 [ RunTime:0.001531s ]
