SECRET: 97a17e8597b94720c71b217216565d43
APPID: 1719389634415

{"name":"A31004443","sn":"A31004443"}

加密前：{"name":"A31004443","sn":"A31004443"}97a17e8597b94720c71b217216565d43
加密后:
072200af77d245e3b3f75c8449fecafb

MD5Util.md5Jdk(jsonStr + "97a17e8597b94720c71b217216565d43")

072200af77d245e3b3f75c8449fecafb

{"name":"A31004443","sn":"A31004443"}

eyJuYW1lIjoiQTMxMDA0NDQzIiwic24iOiJBMzEwMDQ0NDMifQ==

{
    "data": "eyJuYW1lIjoiQTMxMDA0NDQzIiwic24iOiJBMzEwMDQ0NDMifQ=="
}

import java.io.*;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Util {
	/**
	 * 将byte数组转化为16进制输出
	 *
	 * @param bytes
	 * @return
	 */
	public static String convertByteToHexString(byte[] bytes) {
		String result = "";
		for (int i = 0; i < bytes.length; i++) {
			int temp = bytes[i] & 0xff;
			String tempHex = Integer.toHexString(temp);
			if (tempHex.length() < 2) {
				result += "0" + tempHex;
			} else {
				result += tempHex;
			}
		}
		return result;
	}

	/**
	 * MD5加密
	 *
	 * @param message
	 * @return
	 * @throws UnsupportedEncodingException
	 */
	public static String md5Jdk(String message) throws UnsupportedEncodingException {
		String temp = "";
		try {
			MessageDigest md5Digest = MessageDigest.getInstance("MD5");
			message.getBytes();
			byte[] encodeMD5Digest = md5Digest.digest(message.getBytes("UTF-8"));
			temp = convertByteToHexString(encodeMD5Digest);
		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
		}
		return temp;
	}
}