public?class?ConvertFactory?{

//	/**
//	?*?將字節數組轉換為16進制字符串
//	?*?
//	?*?@param?buffer
//	?*?@return
//	?*/
//	public?static?String?toHex（byte[]?buffer）?{
//
//		StringBuffer?sb?=?new?StringBuffer（buffer.length?*?2）;
//
//		for?（int?i?=?0;?i?//
//			sb.append（Character.forDigit（（buffer[i]?&?240）?>>?4?16））;
//
//			sb.append（Character.forDigit（buffer[i]?&?15?16））;
//
//		}
//
//		return?sb.toString（）;
//	}
//	
//	public?static?int?byteArrayToInt（byte[]?b?int?offset）?{
//		int?value?=?0;
//		for?（int?i?=?0;?i?//			int?shift?=?（4?-?1?-?i）?*?8;
//			value?+=?（b[i?+?offset]?&?0x000000FF）?<//		}
//		return?value;
//	}

	public?static?byte[]?intToByteArray（int?i）?{
		byte[]?result?=?new?byte[4];
		result[0]?=?（byte）?（（i?>>?24）?&?0xFF）;
		result[1]?=?（byte）?（（i?>>?16）?&?0xFF）;
		result[2]?=?（byte）?（（i?>>?8）?&?0xFF）;
		result[3]?=?（byte）?（i?&?0xFF）;
		return?result;
	}
	/*
	?*?
	?*/
	public?static?byte[]?shortToBytes（short?n）?{
		byte[]?b?=?new?byte[2];
		b[1]?=?（byte）?（n?&?0xff）;
		b[0]?=?（byte）?（（n?>>?8）?&?0xff）;
		return?b;
	}

	public?static?short?bytesToShort（byte[]?b）?{
		return?（short）?（b[1]?&?0xff?|?（b[0]?&?0xff）?<	}

	public?static?byte[]?intToBytes（int?num）?{
		byte[]?b?=?new?byte[4];
		for?（int?i?=?0;?i?			b[i]?=?（byte）?（num?>>>?（24?-?i?*?8））;
		}
		return?b;
	}

	public?static?int?bytes2int（byte[]?b）?{

		int?mask?=?0xff;
		int?temp?=?0;
		int?res?=?0;
		for?（int?i?=?0;?i?			res?<<=?8;
			temp?=?b[i]?&?mask;
			res?|=?temp;
		}
		return?res;
	}

	public?static?byte[]?longToBytes（long?num）?{
		byte[]?b?=?new?byte[8];
		for?（int?i?=?0;?i?			b[i]?=?（byte）?（num?>>>?（56?-?i?*?8））;
		}
		return?b;
	}

	public?static?String?str2HexStr（String?str）?{
		char[]?chars?=?“0123456789ABCDEF“.toCharArray（）;
		StringBuilder?sb?=?new?StringBuilder（““）;
		byte[]?bs?=?str.getBytes（）;
		int?bit;
		for?（int?i?=?0;?i?			bit?=?（bs[i]?&?0x0f0）?>>?4;
			sb.append（chars[bit]）;
			bit?=?bs[i]?&?0x0f;
			sb.append（chars[bit]）;
		}
		return?sb.toString（）;
	}

	public?static?String?bytesToHexString（byte[]?bArray）?{
		StringBuffer?sb?=?new?StringBuffer（bArray.length）;
		String?sTemp;
		for?（int?i?=?0;?i?			sTemp?=?Integer.toHexString（0xFF?&?bArray[i]）;
			if?（sTemp.length（）?				sb.append（0）;
			}
			sb.append（sTemp.toUpperCase（））;
		}
		return?sb.toString（）;
	}
	
	public?static?String?byteToHexString（byte?b）{
		String?sTemp=Integer.toHexString（0xFF?&?b）;
		return?sTemp.toUpperCase（）;
	}

	public?static?byte[]?hexStringToBytes（String?hexString）?{
		String?chars?=?“0123456789ABCDEF“;
		if?（hexString?==?null?||?hexString.equals（““））?{
			return?null;
		}
		hexString?=?hexString.toUpperCase（）;
		int?length?=?hexString.length（）?/?2;
		char[]?hexChars?=?hexString.toCharArray（）;
		byte[]?d?=?new?byte[length];

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-06-13?19:06??MySerialPort\
?????文件?????????349??2017-04-26?19:53??MySerialPort\.classpath
?????文件????????6148??2017-06-13?20:03??MySerialPort\.DS_Store
?????目錄???????????0??2017-06-13?20:26??__MACOSX\
?????目錄???????????0??2017-06-13?20:26??__MACOSX\MySerialPort\
?????文件?????????120??2017-06-13?20:03??__MACOSX\MySerialPort\._.DS_Store
?????文件?????????371??2017-04-26?19:52??MySerialPort\.project
?????目錄???????????0??2017-04-26?19:52??MySerialPort\.settings\
?????文件?????????587??2017-04-26?19:52??MySerialPort\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2017-05-05?18:47??MySerialPort\bin\
?????文件????????3089??2017-05-05?18:47??MySerialPort\bin\ConvertFactory.class
?????文件?????????894??2017-06-13?20:25??MySerialPort\bin\Main.class
?????文件????????4121??2017-06-13?20:25??MySerialPort\bin\RxtxConThread.class
?????目錄???????????0??2017-04-26?19:52??MySerialPort\lib\
?????文件???????59464??2017-04-26?19:52??MySerialPort\lib\RXTXcomm.jar
?????目錄???????????0??2017-04-26?19:57??MySerialPort\src\
?????文件????????3220??2017-04-26?19:56??MySerialPort\src\ConvertFactory.java
?????文件?????????445??2017-06-13?20:25??MySerialPort\src\Main.java
?????文件????????4109??2017-06-13?20:25??MySerialPort\src\RxtxConThread.java