java制作并带有简洁界面的压缩解压缩的小程序，外壳与压缩解压缩代码分离，共三个文件，本人之实训作品，配好环境变量之后在命令提示符下用javac先编译compression.java和Decompression.java文件,后编译myF.java,再用java命令执行myF运行即可。-This is my java compression and decompression program,we can learn it together!
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001297s ]
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:0.088599s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001245s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001901s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001225s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003576s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001066s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003411s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.021210s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001496s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 45441 [ RunTime:0.001379s ]
