logingui.java

JAVA聊天室 即使通讯

import javax.swing.*;
import java.awt.*;
import java.net.*;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
import java.io.*;
import java.awt.event.*;
public class LoginGUI extends JFrame implements ActionListener
{
	
	
	boolean bo;
	JLabel lblAddress ;
	JLabel lblUser;
	JLabel lblPwd;
	JTextField txtUser;
    JPasswordField txtPwd;
	JTextField txtAddress;
	JButton bCon;
	JButton bRes;
	JButton bRecall;
	JButton bLogin;
	JButton bLogout;
	JLabel llblTop ;
	Socket soc;
	UserInfo user;
	ClientItf client;
	//ButtonListener buttonlistener;
    static Connection con;
    static ResultSet pid;
    static PreparedStatement stat;
    
	
	
	public LoginGUI()
	{
		
		
		super("小不点聊天室   用户登录");
		
	//图片加入区
	    Icon B=new ImageIcon("spring.gif"); 
			
        this.setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("6516959_1.jpg")));
		user = new UserInfo();
        client = new Client();
        
		Container c = this.getContentPane();
		JPanel p = new JPanel();
		GridBagLayout gb = new GridBagLayout();
		GridBagConstraints gbc = new GridBagConstraints();
		p.setLayout(gb);
		c.add(p);
		
		 

	    llblTop = new JLabel(B);
		lblAddress = new JLabel(" IP   地   址：");
		lblUser = new JLabel("用   户   名： ");
		lblPwd = new JLabel("密             码 ");
		txtUser = new JTextField("<请在这儿输入用户名>",10);
		
		txtPwd = new JPasswordField(10);
		txtPwd.setToolTipText  ("请在这儿重新输入密码 ");
		
		txtAddress = new JTextField("请在这儿输入IP地址",10);
		bCon = new JButton("连         接 ");
		bRes = new JButton("注         册  ");
		bRecall = new JButton("  忘记密码 ");
		bLogin = new JButton("   登      录  ");
		bLogout = new JButton("   退        出 ");
	//	bLogout=new JButton(new ImageIcon("Post.jpg"));
//ButtonListener buttonlistener=new ButtonListener(); //**************加  事  件
		bRes.addActionListener(this);
	    bCon.addActionListener(this);
	    bRecall.addActionListener(this);
		bLogin.addActionListener(this);
	    bLogout.addActionListener(this);
		 
		
		
		
		
		
		
		p.setBorder(BorderFactory.createLineBorder(Color.PINK,5));	
		p.setBorder(BorderFactory.createLineBorder(Color.BLUE,2));

		p.setBackground(Color.pink);
		
		gbc.gridx = 0;
		gbc.gridy = 1;
		gbc.gridwidth = 3;
		gbc.gridheight = 1;
		gb.setConstraints(llblTop,gbc);
    	p.add(llblTop,gbc);
		
		gbc.gridx = 0;
		gbc.gridy = 3;
		gbc.gridwidth = 1;
		gbc.gridheight = 1;
		gbc.insets = new Insets(0,0,5,5);
		gb.setConstraints(lblAddress,gbc);
		p.add(lblAddress);

		
		gbc.gridx = 1;
		gb.setConstraints(txtAddress,gbc);		
		p.add(txtAddress); 
		
		gbc.gridx = 2;
		gb.setConstraints(bCon,gbc);
		p.add(bCon);
		
		gbc.gridx = 0;
		gbc.gridy = 4;
		gb.setConstraints(lblUser,gbc);
		p.add(lblUser);
		
		gbc.gridx = 1;
		gb.setConstraints(txtUser,gbc);
		p.add(txtUser);
		
		gbc.gridx = 2;
		gb.setConstraints(bRes,gbc);
		p.add(bRes);
		
		gbc.gridx = 0;
		gbc.gridy = 5;
		gb.setConstraints(lblPwd,gbc);
		p.add(lblPwd);
		
		gbc.gridx = 1;		
		gb.setConstraints(txtPwd,gbc);
		p.add(txtPwd);

		gbc.gridx = 2;		
		gb.setConstraints(bRecall,gbc);
		p.add(bRecall);
		

		gbc.gridx = 0;
		gbc.gridy = 7;
		gbc.gridwidth = 1;
		gb.setConstraints(bLogin,gbc);
		p.add(bLogin);
		

		gbc.gridx = 2;
		gbc.gridwidth = 7;
		gbc.gridwidth = 1;
		gbc.anchor = GridBagConstraints.CENTER;
		gb.setConstraints(bLogout,gbc);
		p.add(bLogout);
		

		this.setResizable(false);
		this.pack();
		this.setVisible(true);


	}


         public void actionPerformed(ActionEvent e)
          {
     	   
     	   
     	    JButton obj= (JButton)e.getSource();
     	 

     	if(obj.equals(bLogin)) //***************************************点击登录
     	  	 
     	 	 { 
     	 	  //组包、将输入的用户名、密码封装到一个对象中			
			  user.setUserName(txtUser.getText().trim());
			  user.setUserPwd(txtPwd.getText().trim());
     	 	  
     	 	   try  {
     	 	   	   bo = client.login(user); 	   	  
     	 	   	    }
               catch(Exception e1){e1.printStackTrace();}
               
               try  {
               	    if(bo==false)
               	                 {
               	                 System.out.println("该用户是无效用户！");
               	                 JOptionPane.showMessageDialog(this,"小布点提醒您-该用户是无效用户！");	
               	                  
               	                 }
               	     else
               	                  {
               	                  System.out.println("登录成功！Thank you");
               	                  JOptionPane.showMessageDialog(this,"小布点提醒您-登录成功！感谢您的支持！祝您愉快！Thank ");  
               	                  
               	                  new chatGUI(client,txtUser.getText().trim()); 
               	                  this.dispose();         	                  
               	                  }            
               	                  
                     System.out.println(bo);
                     
                     
                     }
                     
              catch (Exception e1){e1.printStackTrace();}                     
     	 	  	
     	 	 }
//     	    
     	    if(obj.equals(bRecall))//*******************************点击忘记密码	
     	     {
     	     	
     	     	new UpadateInfoGUI(client);
     	     	
     	     	
             }
             
               if(obj.equals(bRes))//***********************************点击注册	
     	     {
     	     	
     	     	new RegistrgGUI(client);
     	     	
     	     	
             }
             
                    
     	    if(obj.equals(bLogout))//***********************************点击退出
			    {
			     
				{
					JOptionPane.showMessageDialog(bLogin,"确定要退出吗？");
					System.exit(0);
				}  

			    }
		
		  if(obj.equals(bCon))//*********************连接客服器 验证 IP 是否有误		
	        	
	        	{
	        		soc = client.connection(txtAddress.getText().trim());
		         if(soc==null)
				    JOptionPane.showMessageDialog(null,"连接失败");
			     else 
				    JOptionPane.showMessageDialog(null,"连接成功");
	        	}  
	        	
	        	
	    }          
	        	
     	 	
     	 	
           
      public static void main(String[] args)
	{
		new LoginGUI();    
    }
}