模拟键盘发送文字

var
  nInputs: array[0..1] of tagINPUT;
  nData: WideChar;
  nStr: WideString;
  i: Integer;
begin
  nStr := ‘测试内容123‘;
  for I := 1 to Length(nStr) do
  begin
    nData := nStr[i];
    with nInputs[0] do
    begin
      Itype := INPUT_KEYBOARD;
      ki.wVk := 0;
      ki.wScan := Word(nData);
      ki.dwFlags := KEYEVENTF_UNICODE;
    end;
    SendInput(1, nInputs[0], SizeOf(nInputs[0]));
    with nInputs[1] do
    begin
      Itype := INPUT_KEYBOARD;
      ki.wVk := 0;
      ki.wScan := Word(nData);
      ki.dwFlags := KEYEVENTF_KEYUP or KEYEVENTF_UNICODE;
    end;
    SendInput(1, nInputs[1], SizeOf(nInputs[1]));
  end;
end;