方式一:同步阻塞方式(BIO):
服务器端(Server):
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package com.ietree.basicskill.socket.mode1; import java.io.IOException; import java.net.ServerSocket; import java.net.Socket; /** * 服务端 */ public class Server { // 端口号 final static int PORT = 8765 ; public static void main(String[] args) { ServerSocket server = null ; try { server = new ServerSocket(PORT); System.out.println( "Server start......" ); // 进行阻塞 Socket socket = server.accept(); // 创建一个程序执行客户端的任务 new Thread( new ServerHandler(socket)).start(); } catch (IOException e) { e.printStackTrace(); } finally { if (server != null ){ try { server.close(); } catch (IOException e) { e.printStackTrace(); } } server = null ; } } } |
采用多线程来处理接收到的请求(ServerHandler):
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package com.ietree.basicskill.socket.mode1; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; public class ServerHandler implements Runnable { private Socket socket; public ServerHandler(Socket socket) { this .socket = socket; } @Override public void run() { BufferedReader in = null ; PrintWriter out = null ; try { in = new BufferedReader( new InputStreamReader( this .socket.getInputStream())); out = new PrintWriter( this .socket.getOutputStream(), true ); String body = null ; while ( true ) { body = in.readLine(); if (body == null ){ break ; } System.out.println( "Server: " + body); out.println( "服务器端回送响应的数据。" ); } } catch (Exception e) { e.printStackTrace(); } finally { if (in != null ){ try { in.close(); } catch (IOException e) { e.printStackTrace(); } } if (out != null ){ try { out.close(); } catch (Exception e) { e.printStackTrace(); } } if (socket != null ){ try { socket.close(); } catch (IOException e) { e.printStackTrace(); } } socket = null ; } } } |
客户端(Client):
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package com.ietree.basicskill.socket.mode1; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.Socket; /** * 客户端 */ public class Client { final static String ADDRESS = "127.0.0.1" ; final static int PORT = 8765 ; public static void main(String[] args) { Socket socket = null ; BufferedReader in = null ; PrintWriter out = null ; try { socket = new Socket(ADDRESS, PORT); in = new BufferedReader( new InputStreamReader(socket.getInputStream())); out = new PrintWriter(socket.getOutputStream(), true ); // 向服务器端发送数据 out.println( "接收到客户端的请求数据......" ); String response = in.readLine(); System.out.println( "Client: " + response); } catch (Exception e) { e.printStackTrace(); } finally { if (in != null ){ try { in.close(); } catch (IOException e) { e.printStackTrace(); } } if (out != null ){ try { out.close(); } catch (Exception e) { e.printStackTrace(); } } if (socket != null ){ try { socket.close(); } catch (IOException e) { e.printStackTrace(); } } socket = null ; } } } |
程序输出:
Server:
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Server start...... Server: 接收到客户端的请求数据...... |
Client:
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Client: 服务器端回送响应的数据。 |
同步非阻塞(NIO)
异步非阻塞(AIO)
以上这篇Java网络通信基础编程(必看篇)就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。