多线程(二)_服务端和客户端的单条信息的通信_private static serversocket ss-优快云博客

本文链接：https://blog.youkuaiyun.com/TTS_Kevin/article/details/24695645

本文提供了一个简单的Java网络编程示例，包括服务端与客户端的交互过程。服务端监听23600端口，接收来自客户端的消息，并向客户端发送欢迎信息。

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服务端：

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
/*
 * IP:172.17.67.171
 */
public class Server {
	private static ServerSocket ss = null;
	private static Socket socket = null;
	private static OutputStream os = null;
	private static OutputStreamWriter osw = null;
	private static BufferedWriter bw = null;

	private static InputStream is = null;
	private static InputStreamReader isr = null;
	private static BufferedReader br = null;

	public static void main(String[] args) throws Exception {
		// boolean flag = true;
		ss = new ServerSocket(23600); // 获取服务端对象
		// while (flag) {
		socket = ss.accept(); // 通过调用accept方法 等待 客户端连接请求 并返回 Socket对象

		// 调用 getOutputStream获取输出流 ，可以把要发送到客户端的信息写入到输出中流
		os = socket.getOutputStream();
		// 使用转换流把字节流转换一下 , 从字节流转换成字符流
		osw = new OutputStreamWriter(os);
		// 把转换流再放到缓冲流中
		bw = new BufferedWriter(osw);
		// 开始向缓冲流中写入信息 ，这些信息是写给客户端的
		bw.write("欢迎连接，你已连接上\n");
		System.out.println("AAAAAAAAAAAA");
		bw.flush();// 把写入的信息从缓冲区中刷新到内存中
		
		is = socket.getInputStream();
		isr = new InputStreamReader(is);
		br = new BufferedReader(isr);
		String msg = br.readLine();
		System.out.println(msg);

		// }
		br.close();
		isr.close();
		is.close();

		bw.close();
		osw.close();
		os.close();

		socket.close();
		ss.close();

	}

}

客户端：

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

public class Client {

	public static void main(String[] args) throws Exception {
		Socket socket = new Socket("127.0.0.1",23600);
		BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
		String msg = br.readLine();
		System.out.println(msg);
		
		
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
		bw.write("服务器你好\n");
		bw.flush();
		bw.close();
		br.close();
		socket.close();

	}

}