此为自己兴趣，开始学C#编程做出来的一个自动备份，不过功能简单，适合初学者熟悉文件流的使用-this for their own interest, begin to learn C# programming comes an automatic backup, but a simple function, for beginners familiar with the use of document flow
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001365s ]
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:0.094368s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001411s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002011s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001332s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003645s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001151s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003258s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014979s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001423s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 70724 [ RunTime:0.001513s ]
