Delphi±í´ïʽ
function ExpCalc(exp: string): string;
var
vScript: Variant;
begin
vScript := CreateOleObject('ScriptControl');
vScript.Language := 'VBScript';
Result := vScript.Eval(exp);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
s:string;
begin
s:=ExpCalc('100 *4.17/0.5*(55.22+22)/3.14');
ShowMessage(s);
end;
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procedure TForm1.Timer1Timer(Sender: TObject);
begin
Windows.Beep(1200+i_f,10+i_f);
if i_f<2000 then
begin
inc(i_f);
end
end;
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DateTimePicker1.DateTime:=DateAndTime;
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