一个基于sensor的中间件，包括三个功能从sensor获得数据，处理数据，控制终端设备-A sensor-based middleware, including the three functions from the sensor data, data processing, control of terminal equipment
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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:0.069572s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000910s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003086s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000840s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001340s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 166878 [ RunTime:0.013076s ]
