抄别人的。我一般不订邮件，不要再发脾气哦。
uses
shellapi;
function DelDir(const Source:string): boolean;
var
fo: TSHFILEOPSTRUCT;
begin
FillChar(fo, SizeOf(fo), 0);
with fo do
begin
Wnd := 0;
wFunc := FO_DELETE;
pFrom := PChar(source+#0);
pTo := #0#0;
fFlags := FOF_NOCONFIRMATION+FOF_SILENT;//FOF_SILENT表示不出现对话框
end;
Result := (SHFileOperation(fo) = 0);
end;
