java 发送tcp报文 java tcp传输

class Client{
    public static void main(String[] args) throws IOException {
        InetAddress inetAddress=InetAddress.getByName("fe80::ac2e:7f79:cbf5:c18f%17");//本机与给本机建立链接
        //指定要传输地端口号
        Socket socket=new Socket(inetAddress, 8899);
        //对外进行数据传输
        OutputStream outputStream = socket.getOutputStream();
        outputStream.write("能看见嘛，看见的话给我回复一下".getBytes());
        socket.shutdownOutput();//关闭传输
        //接收服务端信息
        InputStream inputStream = socket.getInputStream();
        InputStreamReader inputStreamReader=new InputStreamReader(inputStream);
        BufferedReader bufferedReader=new BufferedReader(inputStreamReader);
        String line;
        while ((line=bufferedReader.readLine())!=null){
            System.out.println(line);
        }
        //关闭资源
        outputStream.close();
        socket.close();
    }
}
class Service{
    public static void main(String[] args) throws IOException {
        System.out.println("服务端开启，等待客户端连接......");
        ServerSocket socket=new ServerSocket(8899);//指定当前端口号
        Socket accept = socket.accept();//表示可以接收客户端
        System.out.println("与"+socket.getInetAddress().getHostAddress()+"用户连接成功！");
        InputStream inputStream = accept.getInputStream();
        InputStreamReader reader=new InputStreamReader(inputStream);//转换流
        BufferedReader bufferedReader=new BufferedReader(reader);//字符流
        String line;
        while ((line=bufferedReader.readLine())!=null){
            System.out.println(line);
        }
        //给客户端回复
        OutputStream outputStream = accept.getOutputStream();
        BufferedOutputStream bufferedOutputStream=new BufferedOutputStream(outputStream);
        bufferedOutputStream.write("客户端你好，信息已接收到！".getBytes());
        //关闭流
        bufferedOutputStream.flush();
        bufferedOutputStream.close();
        bufferedReader.close();


    }
}

 

 

运行结果