Bytes2Hex returns the hexadecimal encoding of d.

CopyBytes returns an exact copy of the provided bytes.

判断所给路径文件/文件夹是否存在.

FromHex returns the bytes represented by the hexadecimal string s.

HasHexPrefix validates str begins with '0x' or '0X'.

Hex2Bytes returns the bytes represented by the hexadecimal string str.

Hex2BytesFixed returns bytes of a specified fixed length flen.

Home returns the home directory for the executing user.

判断所给路径是否为文件夹.

判断所给路径是否为文件.

IsHex validates whether each byte is valid hexadecimal string.

LeftPadBytes zero-pads slice to the left up to length l.

RightPadBytes zero-pads slice to the right up to length l.

ToHex returns the hex representation of b, prefixed with '0x'.

ToHexArray creates a array of hex-string based on []byte.