时域LSB隐藏算法,实现随机信息隐藏到载体图片内,并界附带提取信息代码-LSB hidden time-domain algorithm, the realization of random information hidden within the picture carrier, and industry code attached to extract information
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001896s ]
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:0.092134s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001306s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001971s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001212s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003579s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001069s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003263s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014811s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001390s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 257286 [ RunTime:0.001295s ]
