SOCKET聊天客户端

 

Code:

1. import java.io.*;  
2. import java.net.*;  
3.   
4. import javax.swing.*;  
5. import java.awt.*;  
6. import java.awt.event.*;  
7.   
8. public class SimpleChatClientA {  
9.   
10.     /** 
11.      * @param args 
12.      */  
13.     JTextField outgoing;  
14.     PrintWriter writer;  
15.     Socket sock;  
16.       
17.     public void go(){  
18.         JFrame frame = new JFrame("JAVA聊天BATA0.5");  
19.         JPanel mainPanel = new JPanel();  
20.         outgoing = new JTextField(20);  
21.         JButton sendButton = new JButton("send");  
22.         sendButton.addActionListener(new SendButtonListener());  
23.         mainPanel.add(outgoing);  
24.         mainPanel.add(sendButton);  
25.         JLabel label = new JLabel("徐方鑫：[e-mail]");  
26.         mainPanel.add(label);  
27.         frame.getContentPane().add(BorderLayout.CENTER,mainPanel);  
28.         setUpNetworking();  
29.         frame.setSize(400,100);  
30.         frame.setVisible(true);  
31.     }  
32.     public void setUpNetworking(){  
33.         try{  
34.             sock = new Socket("222.95.182.107",5000);  
35.             writer = new PrintWriter(sock.getOutputStream());  
36.             System.out.println("networking established");  
37.         }catch(IOException ex)  
38.         {  
39.             ex.printStackTrace();  
40.         }  
41.               
42.     }  
43.     public class SendButtonListener implements ActionListener{  
44.         public void actionPerformed(ActionEvent ev){  
45.             try{  
46.                 writer.println(outgoing.getText());  
47.                 writer.flush();  
48.             }catch(Exception ex)  
49.             {  
50.                 ex.printStackTrace();  
51.             }  
52.             outgoing.setText("");  
53.             outgoing.requestFocus();  
54.         }  
55.     }  
56.     public static void main(String[] args) {  
57.         // TODO Auto-generated method stub  
58.         new SimpleChatClientA().go();  
59.     }  
60.   
61. }