二进制转成十六进制
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/** * 每个字节转成16进制,方法1 * * @param result */private static String toHex(byte[] result) {StringBuffer sb = new StringBuffer(result.length * 2);for (int i = 0; i < result.length; i++) {sb.append(Character.forDigit((result[i] & 240) >> 4, 16));sb.append(Character.forDigit(result[i] & 15, 16));}return sb.toString();}/** * 每个字节转成16进制,方法2 * * @param result * @return */private static String toHex2(byte[] result) {StringBuffer sb = new StringBuffer(result.length * 2);for (int i = 0; i < result.length; i++) {int hight = ((result[i] >> 4) & 0x0f);int low = result[i] & 0x0f;sb.append(hight > 9 ? (char) ((hight - 10) + 'a'): (char) (hight + '0'));sb.append(low > 9 ? (char) ((low - 10) + 'a') : (char) (low + '0'));}return sb.toString();}