实现编码,生成哈夫曼数 可以计算最小距离图形界面,可以点击每个叶子结点查看编码情况!-achieve coding, Huffman generate the smallest amount will be calculated from the graphical interface, can click on each leaf node View coding!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001814s ]
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:0.156265s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001424s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002733s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002221s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004422s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001238s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003526s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026834s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002072s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 121048 [ RunTime:0.001802s ]