socket实例1

第一个例子创建了一个java工程，用来测试Socket的连接功能，通过浏览器可访问,地址为:127.0.0.1:端口号

MyServerSocket.java，

package com.jikexueyuan.testmysetversocket.main;


public class MyServerSocket {

    public static void main(String[] args) {
        new ServerListener().start();
        
    }

}

ServerListener.java

 1 package com.jikexueyuan.testmysetversocket.main;
 2 
 3 import java.io.IOException;
 4 import java.net.ServerSocket;
 5 import java.net.Socket;
 6 
 7 import javax.swing.JOptionPane;
 8 
 9 public class ServerListener extends Thread {
10 
11     @Override
12     public void run() {
13         //1-65535
14         try {
15             ServerSocket serverSocket = new ServerSocket(12345);
16             while (true) {
17                 //block
18                 Socket socket = serverSocket.accept();
19                 //建立连接
20                 JOptionPane.showMessageDialog(null, "有客户端链接到了本机的12345端口");
21                 //将socket传递给新的线程
22                 ChatSocket cs = new ChatSocket(socket);
23                 cs.start();
24                 ChatManager.getChatManager().add(cs);
25             }
26             
27         } catch (IOException e) {
28             e.printStackTrace();
29         }
30     }
31 }

ChatSocket.java

 1 package com.jikexueyuan.testmysetversocket.main;
 2 
 3 import java.io.BufferedReader;
 4 import java.io.BufferedWriter;
 5 import java.io.IOException;
 6 import java.io.InputStreamReader;
 7 import java.io.OutputStreamWriter;
 8 import java.io.UnsupportedEncodingException;
 9 import java.net.Socket;
10 
11 public class ChatSocket extends Thread {
12     
13     Socket socket;
14     
15     public ChatSocket(Socket s){
16         this.socket = s;
17     }
18     
19     public void out(String out) {
20         try {
21             socket.getOutputStream().write((out+"
").getBytes("UTF-8"));
22         } catch (UnsupportedEncodingException e) {
23             e.printStackTrace();
24         } catch (IOException e) {
25             System.out.println("断开了一个客户端链接");
26             ChatManager.getChatManager().remove(this);
27             e.printStackTrace();
28         }
29     }
30 
31     @Override
32     public void run() {
33         out("你已经连接到本服务器了");
34         try {
35             BufferedReader br = new BufferedReader(
36                     new InputStreamReader(
37                             socket.getInputStream(),"UTF-8"));
38             String line = null;
39             while ((line = br.readLine()) != null) {
40                 System.out.println(line);
41                 ChatManager.getChatManager().publish(this, line);
42             }
43             br.close();
44             System.out.println("断开了一个客户端链接");
45             ChatManager.getChatManager().remove(this);
46         } catch (UnsupportedEncodingException e) {
47             e.printStackTrace();
48         } catch (IOException e) {
49             System.out.println("断开了一个客户端链接");
50             ChatManager.getChatManager().remove(this);
51             e.printStackTrace();
52         }
53         
54     }
55 }

ChatManager.java

 1 package com.jikexueyuan.testmysetversocket.main;
 2 
 3 import java.util.Vector;
 4 
 5 public class ChatManager {
 6 
 7     private ChatManager(){}
 8     private static final ChatManager cm = new ChatManager();
 9     public static ChatManager getChatManager() {
10         return cm;
11     }
12     
13     Vector<ChatSocket> vector = new Vector<ChatSocket>();
14     
15     public void add(ChatSocket cs) {
16         vector.add(cs);
17     }
18     
19     public void remove(ChatSocket cs) {
20         vector.remove(cs);
21     }
22     
23     public void publish(ChatSocket cs,String out) {
24         for (int i = 0; i < vector.size(); i++) {
25             ChatSocket csChatSocket = vector.get(i);
26             if (!cs.equals(csChatSocket)) {
27                 csChatSocket.out(out);
28             }
29         }
30     }
31 }

打开浏览器后，访问地址得到：