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  • java之socket

    socket系java中网络编程的内容。

    1客户端:

    package com.wtd.socket;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    import java.net.Socket;
    import java.net.UnknownHostException;
    
    public class TCPClint {
        public static void main(String[] args) {
            try {
                Socket clint= new Socket("127.0.0.1", 9000);
                PrintWriter pWriter = new PrintWriter(clint.getOutputStream());
                pWriter.println("hello world");
                pWriter.flush();
                BufferedReader bReader= new BufferedReader(new InputStreamReader(clint.getInputStream()));
                String line= bReader.readLine();
                System.out.println(line);
                clint.close();
            } catch (UnknownHostException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    2.服务器:

    服务器线程:

    package com.wtd.socket;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    import java.net.Socket;
    
    public class ServerThread extends Thread {
        private Socket socket;
        public ServerThread(Socket socket) {
            this.socket= socket;
            // TODO Auto-generated constructor stub
        }
        @Override
        public void run() {
            BufferedReader bReader;
            try {
                bReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                String text = bReader.readLine();
                PrintWriter pWriter = new PrintWriter(socket.getOutputStream());
                pWriter.println(text+ " from thread server");
                pWriter.flush();
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            } finally{
                try {
                    socket.close();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                
            }
        }
    }

    2.服务器端:

    package com.wtd.socket;
    
    import java.io.IOException;
    import java.net.ServerSocket;
    import java.net.Socket;
    
    public class TCPServer2 {
        public static void main(String[] args) {
            try {
                ServerSocket server= new ServerSocket(9000);
                while (true) {
                    Socket socket= server.accept();
                    ServerThread serverThread= new ServerThread(socket);
                    serverThread.start();
                }
                
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    执行:先执行服务器端,然后执行客户端:

    output:

    hello world from thread server

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  • 原文地址:https://www.cnblogs.com/westward/p/5489958.html
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