Client端：
1 package mylab;
2
3 import java.awt.BorderLayout;
4 import java.awt.Dimension;
5 import java.awt.event.ActionEvent;
6 import java.awt.event.ActionListener;
7 import java.io.BufferedReader;
8 import java.io.IOException;
9 import java.io.InputStreamReader;
10 import java.io.PrintWriter;
11 import java.net.Socket;
12
13 import javax.swing.JButton;
14 import javax.swing.JFrame;
15 import javax.swing.JPanel;
16 import javax.swing.JScrollPane;
17 import javax.swing.JTextArea;
18 import javax.swing.ScrollPaneConstants;
19
20 public class Client extends JFrame implements ActionListener {
21 JTextArea input;
22 JTextArea output;
23 JButton close;
24 JButton send;
25 JScrollPane top = new JScrollPane();
26 JPanel medium, bottom;
27
28 String inMessage, outMessage;
29
30 String s = null;
31 Socket mysocket;
32 BufferedReader br = null;
33 PrintWriter pw = null;
34
35 /**
36 * @param args
37 */
38 public Client() {
39 super();
40 setTitle("客户端");
41 setVisible(true);
42 setBounds(200, 150, 350, 400);
43 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
44
45 top = new JScrollPane();
46 top.setPreferredSize(new Dimension(300, 200));
47 top.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
48 output = new JTextArea(6, 25);
49 top.setViewportView(output);
50
51 medium = new JPanel();
52 medium.setPreferredSize(new Dimension(300, 120));
53 input = new JTextArea(4, 27);
54 medium.add(input);
55
56 bottom = new JPanel();
57 bottom.setPreferredSize(new Dimension(300, 60));
58 close = new JButton("关闭");
59 close.addActionListener(this);
60 send = new JButton("发送");
61 send.addActionListener(this);
62 bottom.add(close);
63 bottom.add(send);
64
65 getContentPane().add(top, BorderLayout.NORTH);
66 getContentPane().add(medium, BorderLayout.CENTER);
67 getContentPane().add(bottom, BorderLayout.SOUTH);
68 }
69
70 public static void main(String[] args) {
71 // TODO Auto-generated method stub
72 Client client = new Client();
73 client.run();
74 }
75
76 public void run() {
77
78 try {
79
80 mysocket = new Socket("127.0.0.1", 2222);
81 br = new BufferedReader(new InputStreamReader(
82 mysocket.getInputStream()));
83 pw = new PrintWriter(mysocket.getOutputStream(), true);
84 while ((inMessage = br.readLine()) != null) {
85 output.append("服务器说：" + inMessage + "\n");
86 }
87
88 } catch (Exception e) {
89 }
90 }
91
92 @Override
93 public void actionPerformed(ActionEvent e) {
94 // TODO Auto-generated method stub
95 if (close.hasFocus()) {
96 try {
97 mysocket.close();
98 System.out.println("客户端已关闭");
99 } catch (IOException e1) {
100 // TODO Auto-generated catch block
101 e1.printStackTrace();
102 }
103 }
104 if (send.hasFocus()) {
105 outMessage = input.getText();
106 input.setText(null);
107 output.append("客户端说：" + outMessage + "\n");
108 pw.println(outMessage);
109 pw.flush();
110 }
111 }
112
113 }
Server端：
1 package mylab;
2
3 import java.awt.BorderLayout;
4 import java.awt.Dimension;
5 import java.awt.event.ActionEvent;
6 import java.awt.event.ActionListener;
7 import java.io.BufferedReader;
8 import java.io.IOException;
9 import java.io.InputStreamReader;
10 import java.io.PrintWriter;
11 import java.net.ServerSocket;
12 import java.net.Socket;
13
14 import javax.swing.JButton;
15 import javax.swing.JFrame;
16 import javax.swing.JPanel;
17 import javax.swing.JScrollPane;
18 import javax.swing.JTextArea;
19 import javax.swing.ScrollPaneConstants;
20
21 public class Server extends JFrame implements ActionListener {
22 JTextArea input;//显示信息
23 JTextArea output;//输入信息
24 JButton close;//关闭按钮
25 JButton send;//发动按钮
26 JScrollPane top = new JScrollPane();//放input的滚动面板
27 JPanel medium, bottom;//放output，关闭按钮，发送按钮
28
29 String inMessage, outMessage;
30 ServerSocket server = null;
31 Socket you = null;
32 String s = null;
33 PrintWriter pw = null;
34 BufferedReader br = null;
35
36 /**
37 * @param args
38 */
39 public Server() {
40 super();
41 setTitle("服务器");
42 setVisible(true);
43 setBounds(600, 150, 350, 400);
44 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
45
46 top = new JScrollPane();
47 top.setPreferredSize(new Dimension(300, 200));
48 top.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
49 output = new JTextArea(6, 25);
50 top.setViewportView(output);
51
52 medium = new JPanel();
53 medium.setPreferredSize(new Dimension(300, 120));
54 input = new JTextArea(4, 27);
55 medium.add(input);
56
57 bottom = new JPanel();
58 bottom.setPreferredSize(new Dimension(300, 60));
59 close = new JButton("关闭");
60 close.addActionListener(this);
61 send = new JButton("发送");
62 send.addActionListener(this);
63 bottom.add(close);
64 bottom.add(send);
65
66 getContentPane().add(top, BorderLayout.NORTH);
67 getContentPane().add(medium, BorderLayout.CENTER);
68 getContentPane().add(bottom, BorderLayout.SOUTH);
69 }
70
71 public static void main(String[] args) {
72 // TODO Auto-generated method stub
73 Server sever = new Server();
74 sever.run();
75 }
76
77 public void run() {
78
79 try {
80
81 server = new ServerSocket(2222);
82 } catch (IOException e) {
83 System.out.println(e);
84 }
85 try {
86 you = server.accept();
87 br = new BufferedReader(new InputStreamReader(you.getInputStream()));
88 pw = new PrintWriter(you.getOutputStream(), true);
89 while ((inMessage = br.readLine()) != null) {
90 output.append("客户端说：" + inMessage + "\n");
91 }
92 } catch (Exception e) {
93 }
94
95 }
96
97 @Override
98 public void actionPerformed(ActionEvent e) {
99 // TODO Auto-generated method stub
100 if (close.hasFocus()) {
101 try {
102 server.close();
103 System.out.println("服务器已关闭");
104 } catch (IOException e1) {
105 // TODO Auto-generated catch block
106 e1.printStackTrace();
107 }
108 }
109 if (send.hasFocus()) {
110 outMessage = input.getText();
111 input.setText(null);
112 output.append("服务器说：" + outMessage + "\n");
113 pw.println(outMessage);
114 pw.flush();
115 }
116 }
117
118 }
时间： 2024-10-25 07:03:35