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Function HexToStr(S: String): String;Var Stream: TMemoryStream; Value: TStringStream; Pos: Integer;Begin Result := ''; If Length(S) > 0 Then Begin Stream := TMemoryStream.Create; Value := TStringStream.Create(''); Try Pos := Stream.Position; Stream.SetSize(Stream.Size + Length(S) Div 2); HexToBin(PChar(S), PChar(Integer(Stream.Memory) + Stream.Position), Length(S) Div 2); Stream.Position := Pos; Value.CopyFrom(Stream, Length(S) Div 2); Result := Value.DataString; Finally Stream.Free; Value.Free; End; End;End;
Function StrToHex(S: String): String;Var Stream: TMemoryStream; Value: TStringStream;Begin If Length(S) > 0 Then Begin Value := TStringStream.Create(S); Try SetLength(Result, (Value.Size - Value.Position) * 2); If Length(Result) > 0 Then Begin Stream := TMemoryStream.Create; Try Stream.CopyFrom(Value, Value.Size - Value.Position); Stream.Position := 0; BinToHex(PChar(Integer(Stream.Memory) + Stream.Position), PChar(Result), Stream.Size - Stream.Position); Finally Stream.Free; End; End; Finally Value.Free; End; End;End;
来源:https://bbs.csdn.net/topics/390876064
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