基于1-W器件的软件保护技术的研究，为了有效保护软件作者的知识产权，可以根据用户所用机器的硬件信息产生注册码，并在软件中对某些先进或常用功能进行限制，如果用户要使用其全部功能，必须将软件采集的有关硬件信息反馈给开发者，并交一定的注册费可获得该软件在自己机器中的注册码，才能正常使用。-Research of Software Protection Technology Based on 1-W Device
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001137s ]
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:0.064906s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001104s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001388s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000871s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003464s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000755s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004610s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015186s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001163s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 244446 [ RunTime:0.019104s ]
