Delphi7中WebBrowser控件HTML源码的读写

写入：

procedure TForm1.LoadStream(WebBrowser:TWebBrowser; Stream:TStream);
var
  PersistStreamInit: IPersistStreamInit;
  StreamAdapter: IStream;
  MemoryStream: TMemoryStream;
begin
  WebBrowser.Navigate('about:blank');
  repeat
    Application.ProcessMessages;
    Sleep(0);
  until
    WebBrowser.ReadyState=READYSTATE_COMPLETE;
  if WebBrowser.Document.QueryInterface(IPersistStreamInit,PersistStreamInit)=S_OK then
  begin
    if PersistStreamInit.InitNew=S_OK then
    begin
      MemoryStream:=TMemoryStream.Create;
      try
        MemoryStream.CopyFrom(Stream,0);
        MemoryStream.Position:=0;
      except
        MemoryStream.Free;
        raise;
      end;
      StreamAdapter:=TStreamAdapter.Create(MemoryStream,soOwned);
      PersistStreamInit.Load(StreamAdapter);
    end;
  end
end;

 

测试：

procedure TForm1.btn_1Click(Sender: TObject);
var
  S: TStringStream;
begin
  S := TStringStream.Create(mm1.Text);
  try
    LoadStream(wb1,S);
  finally
    s.Free;
  end;
end;

 

读取就很简单了，这里不再阐述。