客户端的简单编程实现。
主要是通过udp方式，实现用户间的对话。
其中运用了序列化类的方法。
以下是源代码,请多提意见。
-simple client program. Mainly through udp way to achieve a dialogue between users. The sequence in which the use of such methods. Following is the source code, please speak up.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001142s ]
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:0.077910s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001026s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001119s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001022s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003548s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000929s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003711s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016186s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001195s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 140555 [ RunTime:0.013958s ]
