chat_client.java

一个用java编写的网络聊天软件 里边含有设计报告和源代码等可用的文件！！ 开发环境是eclips

package chat1;


import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import javax.swing.*;

import java.io.*;
import java.net.*;

 public class Chat_client extends JFrame implements ActionListener
 {
    
	private static final long serialVersionUID = 1L;

    private ObjectInputStream in;
    private ObjectOutputStream out;
    
    private String message = "";
   // private String Localhost;
    private Socket toclient;
    //private String ss[]={"宋体","楷体","华文行楷","新宋体"};
		
	
		 
	JMenuBar jmb1;
	JToolBar jtb1;
	JToolBar jtb2;
	JButton jm1;
	JButton jm2;
	JButton jm3;
	JButton jm4;
	JButton connect;
	JButton selfout;
    JButton selcolor;
    JButton back1;
    JButton back2;
    JButton selface;
    JButton selbg;
    JButton selsound;
	JPanel jp1;
	JPanel jp2;
	JList jl;
	JTextArea jta1;
	JTextField jtf;
	Container con;
	JLabel label;
	JSeparator js1;
	JSeparator js2;
	Color color;
	BufferedImage bufimage;
	Icon bg1;
    Icon bg2;
    Icon bg3;
    Icon bg4;
    Dimension size;
    Font font;
   // JComboBox jcb;
    
   
    
	public  Chat_client()
	{
	   con =  this.getContentPane();
	   
	   jp1 = new JPanel();
	   jp2 = new JPanel();
	   jp1.setLayout(new BorderLayout());
	   jp2.setLayout(new BorderLayout());
	   
	
	
	   
	   jta1=new JTextArea("");
	   jtf = new JTextField("Please input:");
	   jta1.setBackground(Color.LIGHT_GRAY);
	   jtf.setBackground(Color.LIGHT_GRAY);
	   jta1.setEditable(false);
	   jta1.setEnabled(true);
	   
	   jtf.setEditable(true);
	   jtf.addActionListener(this);
	   
	   jmb1 = new JMenuBar();
	   jmb1.setBackground(Color.pink);
	   jtb1 = new JToolBar();
	   jtb1.setBackground(Color.pink);
       js1 = new JSeparator();
       js2 = new JSeparator();
       jl  = new JList();
       label = new JLabel("制作人：Jimmy");
       label.setForeground(Color.BLUE);
       
       jtb2 = new JToolBar();
       jtb2.setBackground(Color.pink);
       jtb2.add(label);
	   
       
	   
       jp2.add( new JScrollPane(jtf));
       jp2.add(jtb1,"North");
       jp2.add(jtb2,"South");
	   
	   jm1 = new JButton("在线");
	   jm1.setBackground(Color.orange);
	   jmb1.add(jm1);
	   jm2 = new JButton("离线");
	   jm2.setBackground(Color.orange);
	   jmb1.add(jm2);
	   jm3 = new JButton("隐身");
	   jm3.setBackground(Color.orange);
	   jmb1.add(jm3);
	   jm4 = new JButton("帮助");
	   jm4.setBackground(Color.orange);
	   jm4.addActionListener(this);
	   jmb1.add(jm4);
	   
	  // jcb = new JComboBox(ss);
	
	   
	   connect = new JButton("连接服务器");
	   connect.setBackground(Color.yellow);
	   connect.addActionListener(this);
	   selface = new JButton("表情选择");
	   selface.setBackground(Color.orange);
	   selface.addActionListener(this);
	   selbg = new JButton("情景选择");
	   selbg.setBackground(Color.orange);
	   selbg.addActionListener(this);
	   selfout = new JButton("字体选择");
	   selfout.setBackground(Color.orange);
	   selfout.addActionListener(this);
	   selcolor = new JButton("字体颜色");
	   selcolor.setBackground(Color.orange);
	   selcolor.addActionListener(this);
	   selsound = new JButton("选择音乐");
	   selsound.addActionListener(this);
	   selsound.setBackground(Color.orange);
	   
	   jtb1.add(selcolor);
	   jtb1.add(jl);
	   jtb1.add(selfout);
	  // jtb1.add(jcb);
	   jtb1.add(selface);
	   jtb1.add(selbg);
	   jtb1.add(selsound);
	   jtb1.add(connect,"East");
	   
	   
	   bg1 = new ImageIcon("micky.jpg");
	   bg2 = new ImageIcon("23.jpg");
	   back1 = new JButton();
	   back2 = new JButton();
	   back1.setIcon(bg1);
	   back2.setIcon(bg2);
	   back1.setBackground(Color.pink);
	   back2.setBackground(Color.pink);
	   jp1.add(back1,"North");
	   jp1.add(js2);
	   jp1.add(back2,"South");
        	
	   
	   
	   con.setLayout(new BorderLayout());
	   con.add(jmb1,"North");
	   //con.add(jta1);
	   con.add(jp2,"South");
	   con.add(jp1,"East");  
	   con.add(new JScrollPane(jta1));
	   
	   
	   size = this.getToolkit().getScreenSize();
	   this.setJMenuBar(jmb1);
	   this.setIconImage(getToolkit().getImage("qq.jpg"));
	   this.setBackground(Color.orange);
	   this.setSize(size.width - 300, size.height /2 +27);
	   this.setResizable(false);
	   this.setLocation(100,220);
	   this.setTitle("Welcome to the chat room !");
	   this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	   this.setVisible(true);
	   
	
    }  
	
	
	
	public void actionPerformed(ActionEvent evt) 
	{
		if(evt.getActionCommand().equals("字体颜色") ){
              color = JColorChooser.showDialog(null, "请选择颜色", null);		   	
			
		}
		
		if(evt.getActionCommand().equals("字体选择")){
		      	
			  JOptionPane.showMessageDialog(null,"Sorry, you can't set the font that time!"); 
			 
			
		}
		
		if(evt.getActionCommand().equals("情景选择")){
			  JOptionPane.showMessageDialog(null, "Sorry,you should use the tolerant background !");
			
		}
		
		if(evt.getActionCommand().equals("选择音乐")){
			
			  JOptionPane.showMessageDialog(null, "Sorry,the function is down");
			  
		}
		
		if(evt.getActionCommand().equals("表情选择")){
			  
			  JOptionPane.showMessageDialog(null, "Sorry ");
			
		}
		if(evt.getSource()==jm4){
			JOptionPane.showMessageDialog(null, "这是一个基于局域网的聊天软件，" +"\n"+
					"所以请在同一局域网中运行。" +"\n"+
					"如果出现不能连接的情况，请关闭Client端，" +"\n"+
					"在打开server端的情况下运行客户端！" +"\n"+
					"如果还不能连接,请查看源程序!");
		}
		
		if(evt.getSource()==jtf){
			if(jtf.getText().trim().length()>0)
			{
			   String st=jtf.getText();
			   font = new Font(st,100 ,100);
			   
			   //jta1.append("\n" + st);
			   jta1.setForeground(color);
			   
			  // jtf.setText("");
			   jtf.setForeground(color);
			  
		   }
			sendMsg(jtf.getText());
		}
		if(evt.getSource()==connect){
			   connectClient();
			  
		}
		
  
		
      
	}
	
	public void connectClient(){
		try{
			connectServer();
			getStreams();
			processConnection();
			closeConnection();
		}
		catch(EOFException eofException){
			System.out.println("Server terminated connection");
		}
		catch(IOException ioException){
			ioException.printStackTrace();
		}
	}
	
	
	
    private void connectServer() throws IOException{
	    	jta1.setText("连接中......\n");
	    	toclient = new Socket(InetAddress.getByName("127.0.0.1"),6789);
	    	jta1.append("连接至："+toclient.getInetAddress().getHostName());
	}
	 
	 private void getStreams() throws IOException{
			
		    out = new ObjectOutputStream(toclient.getOutputStream());
		    out.flush();
		    in = new ObjectInputStream(toclient.getInputStream());
		    jta1.append("\nPlease input ...");
		    
		    
		}
	    
	 private void processConnection() throws IOException{
	    	jtf.setEnabled(true);
	    	do{
	    		try{
	    			message = (String)in.readObject();
	    			jta1.append("\n"+message);
	    			jta1.setCaretPosition(jta1.getText().length());
	    		}
	    		catch(ClassNotFoundException classnotfoundexcetion){
	    			jta1.append("\nUnkonwn object type received");
	    		}
	    	}
	    	while(!message.equals("Server:TERMINATE"));
	 }
	
	
	 private void closeConnection() throws IOException{
 		jta1.append("\n关闭连接") ;
 		out.close();
 		in.close();
 		toclient.close();
    }
	 
	 private void sendMsg(String message){
	    	try{
	    		out.writeObject("Client:  \n"+message);
	    		out.flush();
	    		jta1.append("\nClient:  \n"+message);
	    		jtf.setText("");
	    	}
	    	catch(IOException ioException){
	    		jta1.append("\nThe connection is cut!");
	    	}
	    }
	 
	 
	public static void main(String[] args) 
	{   
		
		
		Chat_client cc=new Chat_client();
		cc.connectClient();
        
	}

}