Java和Android對Mac地址加1減1

標籤：java和android對mac地址加1   java和android對mac地址減1   

Java和Android對Mac地址加1或者減1

/** * Mac + 1 * @author YOLANDA * @return */public static String getMacAdd1(String mac){String lastChar = mac.substring(mac.length() - 1).toUpperCase(Locale.getDefault());mac = mac.substring(0, mac.length() - 1).toUpperCase(Locale.getDefault());if("F".equals(lastChar)){lastChar = "0";} else {int tempChar = Integer.parseInt(lastChar, 16) + 1;lastChar = Integer.toHexString(tempChar).toUpperCase(Locale.getDefault());}return (mac + lastChar);}/** * Mac減1 * @author YOLANDA * @param mac * @return */public static String getMacMinus1(String mac){String lastChar = mac.substring(mac.length() - 1).toUpperCase(Locale.getDefault());mac = mac.substring(0, mac.length() - 1).toUpperCase(Locale.getDefault());if("0".equals(lastChar)){lastChar = "F";} else {int tempChar = Integer.parseInt(lastChar, 16) - 1;lastChar = Integer.toHexString(tempChar).toUpperCase(Locale.getDefault());}return (mac + lastChar);}

Java和Android對Mac地址加1減1