Method sendData

java/SendHexDataByUDP.java:40–56

(String data, int port, String... hosts)

    }

    public void sendData(String data, int port, String... hosts) {
        try {
            mSocket = new DatagramSocket();
            for (String host : hosts) {
                InetSocketAddress address = new InetSocketAddress(host, port);
                byte[] sendData = hexStrToByteArrs(data);
                DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, address);
                mSocket.send(sendPacket);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (mSocket != null) {
                mSocket.close();
            }
        }
    }

    /**
     * 将十六进制的字符串转换成字节数组