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:0.001002s ]
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:0.108554s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.021702s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.005916s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001634s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004652s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.021856s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.020946s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.029695s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001620s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 169309 [ RunTime:0.016459s ]
