procedure TForm1.Button1Click(Sender: TObject); var i: integer; sum:Double; begin sum :=0; for i := 0 to ComponentCount-1 do begin if Components[i] is TDBEdit then sum := sum + StrToFloat( (Components[i] as TDBEdit).Text ); end; ShowMessage(FloatToStr(sum)); end;
procedure TForm1.Button1Click(Sender: TObject); var iCount : Integer; Sum : Integer; begin Sum := 0; For iCount := 0 to ComponentCount-1 do begin if Components[iCount] is TEdit then begin Sum := Sum + StrToInt(Trim(TEdit(Components[iCount]).Text)); end; end; Label1.Caption := IntToStr(Sum); end;看看这个,修改一下就可以实现你的要求
var i,iCount,iValue:integer; iCount=self.controlcount; for i:=0 to icount-1 do begin iValue:=iValue+strtoint((self.controls[i] as Tedit).Text); end;
var
i: integer;
sum:Double;
begin
sum :=0;
for i := 0 to ComponentCount-1 do
begin
if Components[i] is TDBEdit then
sum := sum + StrToFloat( (Components[i] as TDBEdit).Text );
end;
ShowMessage(FloatToStr(sum));
end;
var
iCount : Integer;
Sum : Integer;
begin
Sum := 0;
For iCount := 0 to ComponentCount-1 do
begin
if Components[iCount] is TEdit then
begin
Sum := Sum + StrToInt(Trim(TEdit(Components[iCount]).Text));
end;
end;
Label1.Caption := IntToStr(Sum);
end;看看这个,修改一下就可以实现你的要求
iCount=self.controlcount;
for i:=0 to icount-1 do
begin
iValue:=iValue+strtoint((self.controls[i] as Tedit).Text);
end;