网上有很多的压缩程序，本程序实现了最简单的一种算法－lzw压缩算法，其中用到了hashtable-many online compression procedures, the procedures for the realization of a simple algorithm-lzw compression algorithm, which stretched to the hashtable
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001837s ]
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:0.112686s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001443s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001441s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000921s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006239s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001457s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007087s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019884s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002194s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 131057 [ RunTime:0.013757s ]
