客户端服务器端实现双向通信

港控/mmm° 2022-08-24 04:09 323阅读 0赞

import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    import java.net.ServerSocket;
    import java.net.Socket;
    
    
    public class TcpServer 
    {
    	public static void main(String args[]) throws Exception
    	{
    		ServerSocket ss=new ServerSocket(5000);
    		Socket socket=ss.accept();
    		InputStream is=socket.getInputStream();
    		byte[]by=new byte[1024];
    		Thread.sleep((long)Math.random()*3000);
    		int length=is.read(by);
    		System.out.println(new String(by,0,length));
    		//while(-1!=(is.read(by)))
    		//{
    			//System.out.println(new String(by));
    		//}
    		
    		OutputStream os=socket.getOutputStream();
    		byte[]b=new byte[1000];
    		b="nice to meet you too!".getBytes();
    		os.write(b);
    		os.close();
    		is.close();
    		
    	}
    }
    //这种双向通信必须要服务器首先开启监听模块，客户端进行连接通信，通信过程中输入输出的顺序给定后，不能更改
    
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    import java.net.Socket;
    import java.net.UnknownHostException;
    
    
    public class TcpClient 
    {
    	public static void main(String args[]) throws Exception
    	{
    		Socket socket1=new Socket("localhost",5000);
    		OutputStream os=socket1.getOutputStream();
    		byte []b=new byte[1000];
    		String str="hello,nice to meet you!";
    		b=str.getBytes();
    		os.write(b);
    		InputStream is=socket1.getInputStream();
    		byte []by=new byte[1024];
    //		while(-1!=(is.read(by)))
    //		{
    //			System.out.println(new String(by));
    //		}
    		int length=is.read(by);
    		System.out.println(new String(by,0,length));
    		os.close();
    		is.close();
    		
    	}
    }