根据JPEG2000格式的特性，改变在其算术编码时采用的概率状态迁移表可达到加密图像的效果-According to the characteristics of JPEG2000 format change in its arithmetic coding used in the probability of state migration table can achieve the effect of encrypted image
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002012s ]
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:0.085750s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002409s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001971s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002287s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003677s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003287s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015004s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002550s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 221724 [ RunTime:0.001158s ]
