静态的哈夫曼编码，从file.txt文件中读取字符，统计，并编码，输出到huffman-u.txt中-Static Huffman coding, the document read from file.txt characters, statistics, and coding, the output of the huffman-u.txt
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002207s ]
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:0.088629s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002163s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001895s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002008s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003728s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001948s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003335s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015177s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002446s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 169309 [ RunTime:0.001035s ]
