实现图像数据的JPEG-LS标准的压缩，可以实现无损压缩也可以进行有损压缩-Realize image data standard JPEG-LS compression, lossless compression can be lossy compression can also be carried out
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001478s ]
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:0.098124s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001350s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001355s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003668s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001151s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003246s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015320s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001375s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 236702 [ RunTime:0.001236s ]
