哈夫曼最优编码的一个实现。哈夫曼编码的应用非常的广，哈夫曼编码是一个很典型的用空间换取时间的例子。-An optimal Huffman encoding to achieve. Huffman coding is the application of the wide range of Huffman coding is a space for typical examples of the timing.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001265s ]
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:0.088285s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001012s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001156s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001024s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003110s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000918s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003684s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016986s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001200s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 268619 [ RunTime:0.013230s ]
