Procedure FileCopy( Const sourcefilename, targetfilename: String ); Var S, T: TFileStream; Begin S := TFileStream.Create( sourcefilename, fmOpenRead ); try T := TFileStream.Create( targetfilename, fmOpenWrite or fmCreate ); try T.CopyFrom(S, S.Size ) ; finally T.Free; end; finally S.Free; end; End;或者:procedure CopyFile(FromFileName, ToFileName: string); var FromFile, ToFile: File; begin AssignFile(FromFile, FromFileName); { Assign FromFile to FromFileName } AssignFile(ToFile, ToFileName); { Assign ToFile to ToFileName } Reset(FromFile); { Open file for input } try Rewrite(ToFile); { Create file for output } try { copy the file an if a negative value is returned } { raise an exception } if LZCopy(TFileRec(FromFile).Handle, TFileRec(ToFile).Handle) < 0 then raise EInOutError.Create('Error using LZCopy') finally CloseFile(ToFile); { Close ToFile } end; finally CloseFile(FromFile); { Close FromFile } end; end;
var
fo: TSHFILEOPSTRUCT;
begin
FillChar(fo, SizeOf(fo), 0);
with fo do
begin
Wnd := 0;
wFunc := FO_COPY;
pFrom := @source[1];
pTo :=pchar(dest);
fFlags := FOF_NOCONFIRMATION+FOF_NOCONFIRMMKDIR ;
end;
Result := (SHFileOperation(fo) = 0);
end;
ExtractFilePath(ParamStr(0))+'BAK\DATA.MDB',
False);
其中ExtractFilePath(ParamStr(0))为你程序的当前路径。
Var
S, T: TFileStream;
Begin
S := TFileStream.Create( sourcefilename, fmOpenRead ); try
T := TFileStream.Create( targetfilename,
fmOpenWrite or fmCreate );
try
T.CopyFrom(S, S.Size ) ;
finally
T.Free;
end;
finally
S.Free;
end;
End;或者:procedure CopyFile(FromFileName, ToFileName: string);
var
FromFile, ToFile: File;
begin
AssignFile(FromFile, FromFileName); { Assign FromFile to FromFileName } AssignFile(ToFile, ToFileName); { Assign ToFile to ToFileName }
Reset(FromFile); { Open file for input }
try
Rewrite(ToFile); { Create file for output }
try
{ copy the file an if a negative value is returned }
{ raise an exception }
if LZCopy(TFileRec(FromFile).Handle, TFileRec(ToFile).Handle) < 0
then
raise EInOutError.Create('Error using LZCopy')
finally
CloseFile(ToFile); { Close ToFile } end;
finally
CloseFile(FromFile); { Close FromFile }
end;
end;
就是这个函数,,