检测windows系统剪贴板的代码，比较有实用价值；很多软件比如下载软件都会用这种技术-Detection of windows system clipboard code, comparison has practical value a lot of software such as downloaded software will use this technology
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001260s ]
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:0.087762s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001213s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001995s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001206s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003783s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001016s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003392s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016716s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001368s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 187257 [ RunTime:0.001393s ]
