在泛在网络环境下,为了实现物联网服务的无缝注册与调用,提出了一种物联网设备即插即用系统设计方案。该系统支持IPv6协议,采用XML语言对设备与服务进行描述,借助XMill技术将描述文件进行有效压缩,最终通过Restful Web Service方式进行服务调用,实现了设备与服务能力描述、服务注册以及服务调用等功能。实际应用表明,该系统具有低开销、响应时间短的特点,达到了设计要求。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:2.972918s ]
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:1.108944s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.241123s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.014843s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.004191s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.041529s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.237159s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.017824s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.354108s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001572s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 569493 [ RunTime:0.139870s ]