procedure FileCopy(const FromFile, ToFile: string);
var
FromF, ToF: file;
NumRead, NumWritten: Integer;
Buf: array[1..2048] of Char;
begin
if not FileExists(ExtractFileDir(ToFile)) then
begin
raise Exception.Create('目标目录不正确。');
end;
AssignFile(FromF, FromFile);
Reset(FromF, 1);
AssignFile(ToF, ToFile);
Rewrite(ToF, 1);
repeat
BlockRead(FromF, Buf, SizeOf(Buf), NumRead);
BlockWrite(ToF, Buf, NumRead, NumWritten);
until (NumRead = 0) or (NumWritten <> NumRead);
CloseFile(FromF);
CloseFile(ToF);
end;
var
FromF, ToF: file;
NumRead, NumWritten: Integer;
Buf: array[1..2048] of Char;
begin
if not FileExists(ExtractFileDir(ToFile)) then
begin
raise Exception.Create('目标目录不正确。');
end;
AssignFile(FromF, FromFile);
Reset(FromF, 1);
AssignFile(ToF, ToFile);
Rewrite(ToF, 1);
repeat
BlockRead(FromF, Buf, SizeOf(Buf), NumRead);
BlockWrite(ToF, Buf, NumRead, NumWritten);
until (NumRead = 0) or (NumWritten <> NumRead);
CloseFile(FromF);
CloseFile(ToF);
end;
var
FromF, ToF: file;
NumRead, NumWritten: Integer;
Buf: array[1..2048] of Char;
begin
if not DirectoryExists(ExtractFileDir(ToFile)) then
begin
raise Exception.Create('目标目录不正确。');
end;
AssignFile(FromF, FromFile);
Reset(FromF, 1);
AssignFile(ToF, ToFile);
Rewrite(ToF, 1);
repeat
BlockRead(FromF, Buf, SizeOf(Buf), NumRead);
BlockWrite(ToF, Buf, NumRead, NumWritten);
until (NumRead = 0) or (NumWritten <> NumRead);
CloseFile(FromF);
CloseFile(ToF);
end;上面个写错了,抱歉。