基于DCT的水印技术的C程序实现，可在此示例的基础上修改，实现自己的数字水印系统-DCT-based watermark technology procedures C realize, in this example could be the basis of changes to realize their own digital watermarking system
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001387s ]
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:0.097802s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001238s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001247s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003692s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001080s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003350s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015366s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001477s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 145066 [ RunTime:0.001405s ]
