package framework.util;

public class BitUtil {
	public static String toHexString(int i){
		String s = Integer.toHexString(0x000000ff & i);
		s = s.trim().toUpperCase();
		if(s.length()==1){
			s = "0"+s;
		}
		
		return s;
	}
	
	public static int byte2Int(byte b){
		return 0x000000ff & b;
	}
	
	/**
	 * 转成16进制字符串
	 * @param bs
	 * @return
	 */
	public static String toHexString(byte[] bs){
		StringBuffer s = new StringBuffer("");
		for(byte b : bs){
			s.append(" ").append(BitUtil.toHexString(BitUtil.byte2Int(b)));
		}

		return s.toString().trim();
	}
}