package?com.yl.sockettool;


public?class?ConverUtil?{

	//chars[20]=C0??bytes[20]=-64??11000000?最高位為1?
	public?static?byte?[]?hexStrToBytes（String?hexStr）?{//直接返回byte數(shù)組?字節(jié)流，再傳輸。。。不要返回成string類型，坑！！！
		if（hexStr.equals（““）?||?hexStr?==?null?）{
			return?null;//最好返回??byte[0]
		}
		if（hexStr.length（）%2?!=?0）{
System.out.println（“待轉(zhuǎn)換hexStr長(zhǎng)度不為偶數(shù)！“）;	
		????return?null;
		}
		hexStr?=?hexStr.toUpperCase（）;
System.out.println（“待轉(zhuǎn)換hexStr：\n“+hexStr）;
		?char?[]?chars?=?hexStr.toCharArray（）;
		?int?len?=?hexStr.length（）/2;
		?byte?[]?bytesRtn?=?new?byte[len];
		?for（int?i=0;i		?bytesRtn[i]?=?（byte）（（（（charToByte（chars[2*i]）<<4））|charToByte（chars[2*i+1]）））;
System.out.println（“chars[“+i+“]=“+chars[2*i]+“-“+chars[2*i+1]+“??bytes[“+i+“]=“+bytesRtn[i]）;
		?}
System.out.println（“已轉(zhuǎn)換為str：\n“+（new?String（bytesRtn）））;
		?return?bytesRtn;
	?}
	
	private?static?byte?charToByte（char?c）?{???
	????return?（byte）?“0123456789ABCDEF“.indexOf（c）;??
	}
	
	public?static?String?bytesToHexString?（byte?[]?bytes）{
		if（bytes?==?null?||?bytes.length<=0）{
			return?null;
		}
System.out.println（“處理前bytesStr：\n“+new?String（bytes））;
		StringBuilder?sb?=?new?StringBuilder（）;
		for（int?i?=?0;i			int?v=?bytes[i]&0xFF;//byte轉(zhuǎn)int將高位置0，保留低8位
			String?hv?=?Integer.toHexString（v）;
			if（hv.length（）<2）{
				sb.append（0）;//左補(bǔ)一位0
			}
			sb.append（hv+“?“）;		
		}
System.out.println（“處理后hexStr：\n“+sb.toString（））;
		return?sb.toString（）;
	}
????
	public?static?void?main（String[]?args）?{
	
		String?str??=?““;
		String?str2?=?““;
		
		String?str3?=?““;
		
		String?str4?=?““;
		
		String?str5?=?““;
		
		String?str6?=?“010130393234303739391D“;
		
		byte?[]?bytes?=?new?byte[1024];
	//	bytes?=?hexStrToBytes（str2）;
		
	//	bytes?=?hexStrToBytes（str3）;
		
		bytes?=?hexStrToBytes（str6）;
		
	//	str?=?bytesToHexString（bytes）;

	}

}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-01-19?15:18??SocketTool\
?????文件?????????232??2017-01-19?15:18??SocketTool\.classpath
?????文件?????????386??2017-01-19?15:18??SocketTool\.project
?????目錄???????????0??2017-07-13?10:35??SocketTool\bin\
?????目錄???????????0??2017-07-13?10:35??SocketTool\bin\com\
?????目錄???????????0??2017-07-13?10:35??SocketTool\bin\com\yl\
?????目錄???????????0??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\
?????文件????????3966??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\ConverUtil.class
?????文件?????????757??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$1.class
?????文件?????????871??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$2.class
?????文件?????????871??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$3.class
?????文件?????????756??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$4.class
?????文件????????1025??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$5.class
?????文件?????????759??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$6.class
?????文件?????????710??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$7.class
?????文件?????????710??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$8.class
?????文件????????1708??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$9.class
?????文件?????????787??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$AutoSendTimerTask.class
?????文件????????3093??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient$RecvThread.class
?????文件???????10936??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketClient.class
?????文件????????4918??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketServer$RecvThread.class
?????文件????????3402??2017-07-13?10:35??SocketTool\bin\com\yl\sockettool\SocketServer.class
?????目錄???????????0??2017-01-19?15:19??SocketTool\src\
?????目錄???????????0??2017-01-19?15:19??SocketTool\src\com\
?????目錄???????????0??2017-01-19?15:19??SocketTool\src\com\yl\
?????目錄???????????0??2017-01-25?09:49??SocketTool\src\com\yl\sockettool\
?????文件????????1988??2017-09-04?09:18??SocketTool\src\com\yl\sockettool\ConverUtil.java
?????文件???????14746??2017-09-04?09:19??SocketTool\src\com\yl\sockettool\SocketClient.java
?????文件????????4547??2017-02-03?16:37??SocketTool\src\com\yl\sockettool\SocketServer.java