package com.coinflex.common; /** * 十六进制(Hex)与byte数组之间的转换 * * @date 2019-09-05 */ public class Hex2ByteUtils { /** * 字节转十六进制 * * @param b 需要进行转换的byte字节 * @return 转换后的Hex字符串 */ public static String byteToHex(byte b) { String hex = Integer.toHexString(b & 0xFF); if (hex.length() < 2) { hex = "0" + hex; } return hex; } /** * 字节数组转16进制 * * @param bytes 需要转换的byte数组 * @return 转换后的Hex字符串 */ public static String bytesToHex(byte[] bytes) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < bytes.length; i++) { String hex = Integer.toHexString(bytes[i] & 0xFF); if (hex.length() < 2) { sb.append(0); } sb.append(hex); } return sb.toString(); } /** * Hex字符串转byte * * @param inHex 待转换的Hex字符串 * @return 转换后的byte */ public static byte hexToByte(String inHex) { return (byte) Integer.parseInt(inHex, 16); } /** * hex字符串转byte数组 * * @param inHex 待转换的Hex字符串 * @return 转换后的byte数组结果 */ public static byte[] hexToByteArray(String inHex) { int hexlen = inHex.length(); byte[] result; if (hexlen % 2 == 1) { // 奇数 hexlen++; result = new byte[(hexlen / 2)]; inHex = "0" + inHex; } else { // 偶数 result = new byte[(hexlen / 2)]; } int j = 0; for (int i = 0; i < hexlen; i += 2) { result[j] = hexToByte(inHex.substring(i, i + 2)); j++; } return result; } }
十六进制(Hex)与byte数组之间的转换(工具类)
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转载自www.cnblogs.com/xy-ouyang/p/11612797.html
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