The logic of sign up and login finished!
login ui by blue

login ui
get

get new handle
ChatData and SignUp Sender finished!

You can generate use like this :

SignUpSender sender = new SimpleSignUpSender();
sender.set...
sender.set...
...
sender.send(new UnLoginConnection(new Socket(IP Addr, port)), 1);

//To some extent, the following codes are too ugly to use... I'll try to change it.
if( sender.getSignUpStatus().status().status() == Status.Statuses.SUCCEEED ){
 ...
} else {
 ...
}
take logon and registration

geting
Merge branch 'client' of https://github.com/lihaoda/FinalPro into client
add sign up to server
Fixed sevaral bugs on server, implements the connection from client to
server when sign up