| | |
| | | } |
| | | return new String(buf); |
| | | } |
| | | /** |
| | | * 将byte[]转换为16进制字符串 |
| | | * |
| | | * @param bytes 待转换byte[] |
| | | * @return 返回 转换后的字符串 |
| | | */ |
| | | public static String bytesToHex(byte[] bytes, int startIndex, int endIndex) { |
| | | byte[] bs = new byte[endIndex - startIndex + 1] ; |
| | | byte j = 0 ; |
| | | for(int i = startIndex; i <= endIndex; i++){ |
| | | bs[j++] = bytes[i] ; |
| | | } |
| | | //一个byte为8位,可用两个十六进制位标识 |
| | | char[] buf = new char[bs.length * 2]; |
| | | int a = 0; |
| | | int index = 0; |
| | | for (byte b : bs) { // 使用除与取余进行转换 |
| | | if (b < 0) { |
| | | a = 256 + b; |
| | | } else { |
| | | a = b; |
| | | } |
| | | |
| | | buf[index++] = HEX_CHAR[a / 16]; |
| | | buf[index++] = HEX_CHAR[a % 16]; |
| | | } |
| | | return new String(buf); |
| | | } |
| | | |
| | | /** |
| | | * 将16进制字符串转换为byte[] |
| | |
| | | // System.out.println(v5); |
| | | // |
| | | // } |
| | | /* |
| | | public static void main(String[] args) throws Exception { |
| | | byte[] bs = new byte[]{0x38, 0x36, 0x39, 0x31} ; |
| | | String s = bytes2String_BE(bs, 0, 3) ; |
| | |
| | | } |
| | | System.out.println(v); |
| | | } |
| | | */ |
| | | |
| | | } |