unit1.pas

用DELPHI控制网页元素实现在线翻译的源码

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, OleCtrls, SHDocVw, StdCtrls;

type
  TForm1 = class(TForm)
    WebBrowser1: TWebBrowser;
    Button1: TButton;
    Edit1: TEdit;
    Memo1: TMemo;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure WebBrowser1DownloadComplete(Sender: TObject);
    procedure WebBrowser1DownloadBegin(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
var
  i: integer;
  aa: olevariant;

procedure TForm1.FormCreate(Sender: TObject);
begin
  self.WebBrowser1.Navigate('http://trans.godict.com/index.php');
end;

procedure TForm1.Button1Click(Sender: TObject);

begin

  aa := self.WebBrowser1.Document;
  aa.all.item('from_content', 0).value := trim(edit1.Text);

  aa.from_trans.submit;
end;

procedure TForm1.WebBrowser1DownloadComplete(Sender: TObject);
var
  s: string;
begin
  memo1.Lines.Clear;
  button1.Enabled := true;

  if i > 1 then
  begin
    aa := self.WebBrowser1.Document;
    s := aa.all.item('q', 0).value;
    memo1.Lines.Add(s);
  end;
  i := i + 1;
  edit1.SetFocus ;
end;

procedure TForm1.WebBrowser1DownloadBegin(Sender: TObject);
begin
  button1.Enabled := false;
end;

end.