WebDemoF.pas
资源名称:delphi.rar [点击查看]
上传用户:fh681027
上传日期:2022-07-23
资源大小:1959k
文件大小:2k
源码类别:
Delphi控件源码
开发平台:
Delphi
- unit WebDemoF;
- interface
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- Buttons, ExtCtrls, OleCtrls, StdCtrls, ComCtrls, ToolWin,
- ImgList, shdocvw;
- type
- TForm1 = class(TForm)
- WebBrowser1: TWebBrowser;
- OpenDialog1: TOpenDialog;
- StatusBar1: TStatusBar;
- ControlBar1: TControlBar;
- Panel1: TPanel;
- BtnOpen: TSpeedButton;
- BtnGo: TSpeedButton;
- ComboURL: TComboBox;
- procedure BtnOpenClick(Sender: TObject);
- procedure WebBrowser1DownloadComplete(Sender: TObject);
- procedure WebBrowser1TitleChange(Sender: TObject;
- const Text: WideString);
- procedure BtnGoClick(Sender: TObject);
- procedure ComboURLKeyPress(Sender: TObject; var Key: Char);
- procedure FormShow(Sender: TObject);
- procedure WebBrowser1StatusTextChange(Sender: TObject;
- const Text: WideString);
- procedure WebBrowser1DownloadBegin(Sender: TObject);
- private
- { Private declarations }
- public
- procedure GotoPage (ReqUrl: string);
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- procedure TForm1.BtnOpenClick(Sender: TObject);
- begin
- if OpenDialog1.Execute then
- GotoPage (OpenDialog1.FileName);
- end;
- procedure TForm1.WebBrowser1DownloadComplete(Sender: TObject);
- var
- NewUrl: string;
- begin
- StatusBar1.Panels[0].Text := 'Done';
- // add URL to combobox
- NewUrl := WebBrowser1.LocationURL;
- if (NewUrl <> '') and
- (ComboURL.Items.IndexOf (NewUrl) < 0) then
- ComboURL.Items.Add (NewUrl);
- end;
- procedure TForm1.WebBrowser1TitleChange(Sender: TObject;
- const Text: WideString);
- begin
- Caption := Text;
- end;
- procedure TForm1.BtnGoClick(Sender: TObject);
- begin
- GotoPage (ComboUrl.Text);
- end;
- procedure TForm1.ComboURLKeyPress(Sender: TObject; var Key: Char);
- begin
- if Key = #13 then
- GotoPage (ComboUrl.Text);
- end;
- procedure TForm1.FormShow(Sender: TObject);
- begin
- GotoPage (ExtractFilePath (Application.ExeName) +
- 'greeting.htm');
- end;
- procedure TForm1.GotoPage(ReqUrl: string);
- begin
- WebBrowser1.Navigate (ReqUrl, EmptyParam, EmptyParam,
- EmptyParam, EmptyParam);
- end;
- procedure TForm1.WebBrowser1StatusTextChange(Sender: TObject;
- const Text: WideString);
- begin
- StatusBar1.Panels[1].Text := Text;
- end;
- procedure TForm1.WebBrowser1DownloadBegin(Sender: TObject);
- begin
- StatusBar1.Panels[0].Text := 'Downloading ' +
- WebBrowser1.LocationURL + '...';
- end;
- end.