//十六进制字符串public static final String HEXMAXSTRING = "0123456789ABCDEF";/*** @Author: guwenhai* @Description: 将十六进制的字符串转换成字节数组* @param hexString 数据消息* @Date: 2020/11/2 18:15*/public static byte[] hexStrToBinaryStr(String hexString) {if(StringUtils.isBlank(hexString)){return null;}hexString = hexString.replaceAll(" ", "");int len = hexString.length();int index = 0;byte[] bytes = new byte[len / 2];while (index < len) {if(hexString.length() >= 2){String sub = hexString.substring(index, index + 2);bytes[index/2] = (byte)Integer.parseInt(sub,16);index += 2;}}return bytes;}/*** @Author: guwenhai* @Description: byte[]转16进制Str* @Date: 2020/11/2 11:58*/public static String ByteArrayToHexStr(byte[] byteArray){if (byteArray == null)return null;char[] hexArray = HEXMAXSTRING.toCharArray();char[] hexChars = new char[byteArray.length * 2];for (int i = 0; i < byteArray.length; i++){int temp = byteArray[i] & 0xFF;hexChars[i * 2] = hexArray[temp >>> 4];hexChars[i * 2 + 1] = hexArray[temp & 0x0F];}return new String(hexChars);}/*** @Author: guwenhai* @Description: 计算校验位 ，返回十六进制校验位* @Date: 2020/11/3 20:55*/public static String makeCheckSum(String data) {int dSum = 0;int length = data.length();int index = 0;// 遍历十六进制，并计算总和while (index < length) {String s = data.substring(index, index + 2); // 截取2位字符dSum += Integer.parseInt(s, 16); // 十六进制转成十进制 , 并计算十进制的总和index = index + 2;}int mod = dSum % 256; // 用256取余，十六进制最大是FF，FF的十进制是255String checkSumHex = Integer.toHexString(mod); // 余数转成十六进制length = checkSumHex.length();if (length < 2) {checkSumHex = "0" + checkSumHex; // 校验位不足两位的，在前面补0}return checkSumHex;}/*** @Author: guwenhai* @Description: 字符串转换十六进制* @param str 字符数据* @Date: 2020/11/19 17:38*/public static String toHexString(String str){if(StringUtils.isNotBlank(str)){byte[] arrInput;try{char[] chars = HEXMAXSTRING.toCharArray();arrInput = str.getBytes("GBK");StringBuilder sOutput = new StringBuilder(arrInput.length);int bit;for (int i = 0; i < arrInput.length; i++) {bit = (arrInput[i] & 0x0f0) >> 4;sOutput.append(chars[bit]);bit = arrInput[i] & 0x0f;sOutput.append(chars[bit]);}return sOutput.toString();} catch (UnsupportedEncodingException e){// TODO Auto-generated catch blocke.printStackTrace();}}return "";}/*** @Author: guwenhai* @Description: 取十六进制低位字符* @param strhours 元数据* @Date: 2020/11/19 19:27*/public static String lowOrderByte(String strhours){String strh = "";if(strhours.length() > 2){strh = strhours.substring(strhours.length() -2,strhours.length()); //截取} else if(strhours.length() == 2){strh = strhours;} else{strh = "0" + strhours;}return strh;}/*** @Author: guwenhai* @Description: 十进制数字转换十六进制* @param str 字符信息* @param separator 分隔符* @Date: 2020/11/19 18:16*/public static String numberHEX(String str,String separator){if(StringUtils.isNotBlank(str)){if(StringUtils.isNotBlank(separator)){String[] f = str.split(separator);String g ="";for (int i = 0; i < f.length; i++) {if(Integer.toHexString(Integer.valueOf(f[i])).length() < 2){g += "0" + Integer.toHexString(Integer.valueOf(f[i]));} else{g += Integer.toHexString(Integer.valueOf(f[i]));}}return g;} else{String hex = Integer.toHexString(Integer.valueOf(str));if(hex.length() < 2){return "0" + hex;} else{return hex;}}}return "";}/*** @Author: guwenhai* @Description: 二进制转换十六进制* @param src 值* @Date: 2020/12/2 10:43*/public static String parseByte2HexStr(String src) {if(StringUtils.isNotBlank(src)){String data = Integer.toHexString((int) Long.parseLong(src.trim(), 2));if(data.length() < 2){return "0" + data;}return data;}return "00";}/*** @Author: guwenhai* @Description: 16进制直接转换成为字符串(无需Unicode解码)* @Date: 2020/12/8 9:56*/public static String hexStr2Str(String hexStr) {char[] hexs = hexStr.toCharArray();byte[] bytes = new byte[hexStr.length() / 2];int n;for (int i = 0; i < bytes.length; i++) {n = HEXMAXSTRING.indexOf(hexs[2 * i]) * 16;n += HEXMAXSTRING.indexOf(hexs[2 * i + 1]);bytes[i] = (byte) (n & 0xff);}return new String(bytes);}