用java实现的Tftp(Sftp)客户端与服务器程序。在这个程序中用到了一个“状态”的机制：客户端与服务器端在开始运行时有相同的状态，通过用户的输入或程序内部运行的机制，程序可以转到不同的状态，在不同的状态下程序实现了不同的功能 -Using java realized Tftp (Sftp) client and server program. In this procedure used a
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.009245s ]
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:0.096418s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001214s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001603s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001557s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003262s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001188s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003835s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015029s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001039s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 42934 [ RunTime:3.145208s ]
