package com.imooc.myFirestSocket;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
public class Client {
  public static void main(String[] args) throws Exception {
    // 创建一个socket对象
    Socket socket = new Socket("localhost", 8888);
    // 获得输出流
    OutputStream os = socket.getOutputStream();
    // 写入数据
    PrintWriter pw = new PrintWriter(os);
    pw.write("用户名：admin,密码：123");
    pw.flush();
    // 关闭输出流
    socket.shutdownOutput();
    //---->下面是接受服务器发来的响应
    // 从socket中读数据
    InputStream is = socket.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader bs = new BufferedReader(isr);
    String str = "";
    while ((str = bs.readLine()) != null) {
      System.out.println("我是客户端，服务器回应说：" + str);
    }
    // 关闭输入流
    socket.shutdownInput();
    // 关闭输入流资源
    bs.close();
    isr.close();
    is.close();
    // 关闭输出流资源
    pw.close();
    os.close();
  }
}

package com.imooc.myFirestSocket;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Date;
public class Server {
  public static void main(String[] args) throws Exception {
    // 创建一个serverSocket对象,相当于服务器，并且自己设定端口，最好设置1024以后
    ServerSocket serverSocket = new ServerSocket(8888);
    // 调用accept方法监听访问的Socket
    Socket socket = serverSocket.accept();
    // 从socket中读数据
    InputStream is = socket.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader bs = new BufferedReader(isr);
    String str = "";
    while ((str = bs.readLine()) != null) {
      System.out.println("我是服务器，客户端说：" + str);
    }
    // 关闭输入流
    socket.shutdownInput();
    //---->下面是服务器响应客户端
    // 获得输出流
    OutputStream os = socket.getOutputStream();
    // 写入数据
    PrintWriter pw = new PrintWriter(os);
    pw.write("欢迎您："+new Date().toString());
    pw.flush();
    // 关闭输出流资源
    socket.shutdownOutput();
    pw.close();
    os.close();
    // 关闭输入流资源
    bs.close();
    isr.close();
    is.close();
  }
}