json tobean

在这里插入代码片
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Date;
import static Code_conversion.bytesToHexString;

public class Receiving_message_Server extends Thread {
    
    
    public static ArrayList<Socket> sockets = new ArrayList<Socket>();
    private Socket_data_service socket_data_service = new Socket_data_serviceimpl();
    private Socket server;
    private ServerSocket serverSocket;

    public Receiving_message_Server() {
    
    
    }
    public Receiving_message_Server(int port) throws IOException {
    
    
        serverSocket = new ServerSocket(port);
    }
    public void run() {
    
    
        while (true) {
    
    
            try {
    
    
                System.out.println("等待远程连接.....");
                server = serverSocket.accept(); // 阻塞监听端口等待请求连接
                sockets.add(server);  
                System.out.println("远程主机地址：" + server.getRemoteSocketAddress());
                System.out.println("连接时间：" + new Date());
                InputStream in = server.getInputStream(); // 获取客户端发送的流
                BufferedInputStream bis = new BufferedInputStream(in);  //  流存放缓冲区
                DataOutputStream dos = new DataOutputStream(out); // 获取缓冲区流数据 
                byte[] bytes = new byte[1]; // 一次读取一个byte
                String ret = "";
                while (dis.read(bytes) != -1) {
    
    
                    ret += bytesToHexString(bytes) + " ";  //调用字节转化16进制字符串方法
                    if (dis.available() == 0) {
    
     //一个请求
                        System.out.println("收到报文数据： " + ret);
                        ret = "";
                    }
                }
                in.close();
                dos.close();
                bis.close();
                server.close();  // 关闭连接
            } catch (IOException e) {
    
    
                e.printStackTrace();
                break;
            }
        }
    }
    public static void main(String[] args) {
    
    
        int port = 8888;  // 监听端口
        try {
    
    
            Thread t = new Receiving_message_Server(port);  // 线程初始化
            t.start();
        } catch (IOException e) {
    
    
            e.printStackTrace();
        }
    ｝
}

在这里插入代码片
public class Code_conversion {
    
    

    /**
     * 二进制转换16进制字符串
     * @param bytes
     * @return
     */
    public static String bytesToHexString(byte[] bytes) {
    
    
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < bytes.length; i++) {
    
    
            String hex = Integer.toHexString(0xFF & bytes[i]);
            if (hex.length() == 1) {
    
    
                sb.append('0');
            }
            sb.append(hex);
        }
        return sb.toString();
    }


    /***
     *  16进制字符串转换二进制
     * @param hexStr
     * @return
     */
    public static byte[] parseHexStr2Byte(String hexStr) {
    
    
        if (hexStr.length() < 1)
            return null;
        byte[] result = new byte[hexStr.length() / 2];
        for (int i = 0; i < hexStr.length() / 2; i++) {
    
    
            int high = Integer.parseInt(hexStr.substring(i * 2, i * 2 + 1), 16);
            int low = Integer.parseInt(hexStr.substring(i * 2 + 1, i * 2 + 2), 16);
            result[i] = (byte) (high * 16 + low);
        }
        return result;
    }
}