serverlogindiag.java

实现多人即时聊天

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
  
class ServerLoginDiag extends JDialog{

	private ServerFrame serverframe;
	private Server server;


	private boolean  Advance=false;		//"高级"(true)或者普通(false)
	private boolean  Register=false;	//登录(fasle)或者注册(true)
						//开始用按钮上显示的文字"Advanced","Normal","Reg","Log in"来判断当前窗口状态
						//这个就局限了按钮上的文字只能是以上几个，若改动，则代码的其他部分也要修改
						//容易出错，而且降低了通用性

	private UserInfo myself;
	private String   IPofServer;
	private int      port;
	private boolean  connected=false;	//为了减少开销，在正确已经连接到服务器而仅因为用户基本信息填写错误
						//造成的登录错误不必重新连接，重新输入再登录。暂时没用到。

	private String   RegName;		//注册名--显示的是用户名
	private String   UserName;		//真实姓名
	private String   Password;		//密码
	private boolean  Sex;			//性别
	private String   Job;			//职位


/****************************************************以下组件****************************************************/
	private Container contentPane;		//顶层容器	
	
	private JLabel LabRegName;		//注册名--显示的是用户名
	private JLabel LabUserName;		//真实姓名
	private JLabel LabPassword;		//密码
	private JLabel LabPasswordAgain;	//密码确认，注册时用
	private JLabel LabIPAddr;		//加边框
	private JLabel LabPort;			//加边框
	private JLabel LabSex;			//性别
	private JLabel LabJob;			//职位
	
	private JTextField RegNameText;
	private JTextField UserNameText;
	private JPasswordField PasswordText;
	private JPasswordField PasswordAgainText;
	private JTextField IPAddrText;
	private JTextField PortText;
	private JTextField JobText;
	
	private JCheckBox register;		//标识"注册"和"登录"的复选按钮

	private JRadioButton male;
	private JRadioButton female;
	private ButtonGroup GroupSex;

	private JButton OKBtn;			//"登陆"或"注册"按钮
	private JButton CancelBtn;		//"取消"按钮
	private JButton AdvBtn;		//"高级"/"普通"交替按钮
/****************************************************以上组件****************************************************/
public ServerLoginDiag(Server server,ServerFrame serverframe){
	this();
	this.serverframe=serverframe;
	this.server=server;
	
}//public ServerLoginDiag(Server server)

public ServerLoginDiag(){
	 
 	//创建容器
	contentPane=this.getContentPane();
	contentPane.setLayout(new GridBagLayout());		

	setTitle("Log in");
	setModal(false);				//不挂起其他窗口
	
	    
	LabRegName=new JLabel("RegName");		//注册名
	LabUserName=new JLabel("True Name");		//真实姓名
	LabPassword=new JLabel("Password");		//密码
	LabPasswordAgain=new JLabel("PasswordAgain");	//密码确认，注册时用
	LabIPAddr=new JLabel("ServerIP");		//加边框
	LabPort=new JLabel("ServerPort:");		//加边框
	LabSex=new JLabel("Sex");			//性别
	LabJob=new JLabel("Job");			//职位
	
	RegNameText=new JTextField();
	//RegNameText.setColumns(15);

	UserNameText=new JTextField();
	//UserNameText.setColumns(15);

	PasswordText=new JPasswordField();
	//PasswordText.setColumns(15);

	PasswordAgainText=new JPasswordField();
	//PasswordAgainText.setColumns(15);

	IPAddrText=new JTextField();
	//IPAddrText.setColumns(15);

	PortText=new JTextField();
	//PortText.setColumns(15);

	JobText=new JTextField("职员");			
	//JobText.setColumns(15);

	male=new JRadioButton("male",true);
	female=new JRadioButton("female",false);
	
	GroupSex=new ButtonGroup();
	GroupSex.add(male);
	GroupSex.add(female);

	register=new JCheckBox("Reg",false);	//"登陆"与"注册",复选按钮
	register.setVisible(false);

	OKBtn=new JButton("Log in");		//"登陆"与"注册"按钮
	CancelBtn=new JButton("Cancel");


	DefaultLayout();
		
	setSize(400,400);
	setResizable(false);

	addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);				
			}//public void windowClosing(WindowEvent e)
		});//addWindowListener(new WindowAdapter(){
	

	OKBtn.addActionListener(new ActionListener(){
		public void actionPerformed(ActionEvent e){
		

			RegName=RegNameText.getText().trim();		
			UserName=UserNameText.getText().trim();
			Password=PasswordText.getText().trim();	
	
if(!(Password.equals(ServerLoginDiag.this.server.getSerAdminPassWord()) 
	&& RegName.equals(ServerLoginDiag.this.server.getSerAdminName()))){
//ServerLoginDiag.this.server.getSerAdminPassWord().equals(Password)
			JOptionPane.showMessageDialog(ServerLoginDiag.this,
						"UserName or password error！",
						"Error",
						JOptionPane.ERROR_MESSAGE);
}else{

	serverframe.setVisible(true);
	ServerLoginDiag.this.dispose();
}

	
		}//public void actionPerformed(ActionEvent e)
	});//OKBtn.addActionListener(new ActionListener()

	CancelBtn.addActionListener(new ActionListener(){
		public void actionPerformed(ActionEvent e){
			System.exit(0);	
		}
	});





	// 居中设置
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = this.getSize();
        if (frameSize.height > screenSize.height){
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        this.setLocation((screenSize.width - frameSize.width) / 2,
                          (screenSize.height - frameSize.height) / 2);


		
}//public ServerLoginDiag()

	

		
public void DefaultLayout(){
	//clear();
	LayoutUtil.add(contentPane,LabRegName,GridBagConstraints.NONE,GridBagConstraints.CENTER,1,1,0,0,1,1);
	LayoutUtil.add(contentPane,LabPassword,GridBagConstraints.NONE,GridBagConstraints.CENTER,1,1,0,1,1,1);
	LayoutUtil.add(contentPane,RegNameText,GridBagConstraints.HORIZONTAL,GridBagConstraints.CENTER,1,1,1,0,1,1);
	LayoutUtil.add(contentPane,PasswordText,GridBagConstraints.HORIZONTAL,GridBagConstraints.CENTER,1,1,1,1,1,1);
	LayoutUtil.add(contentPane,OKBtn,GridBagConstraints.NONE,GridBagConstraints.CENTER,1,1,0,2,1,1);
	LayoutUtil.add(contentPane,register,GridBagConstraints.NONE,GridBagConstraints.CENTER,1,1,1,2,1,1);
	LayoutUtil.add(contentPane,CancelBtn,GridBagConstraints.NONE,GridBagConstraints.CENTER,1,1,2,2,1,1);
	//LayoutUtil.add(contentPane,AdvBtn,GridBagConstraints.NONE,GridBagConstraints.CENTER,1,1,3,2,1,1);
	
}//public void DefaultLayout()



/*********************下面方法用于调试**************************/
public static void main(String args[]){
   	new ServerLoginDiag().setVisible(true);
}


}//class ServerLoginDiag