实现文件压缩和解压缩，全英文有兴趣的同志请仔细阅读，相信你一定能得到一些启发-achieve compression and decompression, all are interested in the English comrades please read carefully, I think you will get some insights
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001058s ]
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:0.064073s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001047s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001226s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000962s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003276s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000902s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005877s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015599s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001538s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 120642 [ RunTime:0.016380s ]
