此程序完成哈夫曼编码，我们可以从中理解哈夫曼编码的原理，为大家学习提供方便。在tc20下运行。-Huffman coding procedures are completed, we will be able to understand the tenets of Huffman coding, we facilitate learning. Tc20 in running.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000940s ]
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:0.083405s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001048s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001141s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001074s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003196s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000871s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003899s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014665s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001063s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 290607 [ RunTime:0.018614s ]
