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

 package com.jikexueyuan.testmysetversocket.main;

 import java.io.IOException;
 import java.net.ServerSocket;
 import java.net.Socket;

 import javax.swing.JOptionPane;

 public class ServerListener extends Thread {

     @Override
     public void run() {
         //1-65535
         try {
             ServerSocket serverSocket = new ServerSocket();
             while (true) {
                 //block
                 Socket socket = serverSocket.accept();
                 //建立连接
                 JOptionPane.showMessageDialog(null, "有客户端链接到了本机的12345端口");
                 //将socket传递给新的线程
                 ChatSocket cs = new ChatSocket(socket);
                 cs.start();
                 ChatManager.getChatManager().add(cs);
             }

         } catch (IOException e) {
             e.printStackTrace();
         }
     }
 }

ChatSocket.java

 package com.jikexueyuan.testmysetversocket.main;

 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.UnsupportedEncodingException;
 import java.net.Socket;

 public class ChatSocket extends Thread {

     Socket socket;

     public ChatSocket(Socket s){
         this.socket = s;
     }

     public void out(String out) {
         try {
             socket.getOutputStream().write((out+"\n").getBytes("UTF-8"));
         } catch (UnsupportedEncodingException e) {
             e.printStackTrace();
         } catch (IOException e) {
             System.out.println("断开了一个客户端链接");
             ChatManager.getChatManager().remove(this);
             e.printStackTrace();
         }
     }

     @Override
     public void run() {
         out("你已经连接到本服务器了");
         try {
             BufferedReader br = new BufferedReader(
                     new InputStreamReader(
                             socket.getInputStream(),"UTF-8"));
             String line = null;
             while ((line = br.readLine()) != null) {
                 System.out.println(line);
                 ChatManager.getChatManager().publish(this, line);
             }
             br.close();
             System.out.println("断开了一个客户端链接");
             ChatManager.getChatManager().remove(this);
         } catch (UnsupportedEncodingException e) {
             e.printStackTrace();
         } catch (IOException e) {
             System.out.println("断开了一个客户端链接");
             ChatManager.getChatManager().remove(this);
             e.printStackTrace();
         }

     }
 }

ChatManager.java

 package com.jikexueyuan.testmysetversocket.main;

 import java.util.Vector;

 public class ChatManager {

     private ChatManager(){}
     private static final ChatManager cm = new ChatManager();
     public static ChatManager getChatManager() {
         return cm;
     }

     Vector<ChatSocket> vector = new Vector<ChatSocket>();

     public void add(ChatSocket cs) {
         vector.add(cs);
     }

     public void remove(ChatSocket cs) {
         vector.remove(cs);
     }

     public void publish(ChatSocket cs,String out) {
         for (int i = ; i < vector.size(); i++) {
             ChatSocket csChatSocket = vector.get(i);
             if (!cs.equals(csChatSocket)) {
                 csChatSocket.out(out);
             }
         }
     }
 }

打开浏览器后，访问地址得到：