摘自http://www.cnblogs.com/del/archive/2007/12/13/993840.html
WebBrowser1.GoHome; //到浏览器默认主页WebBrowser1.Refresh; //刷新WebBrowser1.GoBack; //后退WebBrowser1.GoForward; //前进WebBrowser1.Navigate('...'); //打开指定页面WebBrowser1.Navigate('about:blank'); //打开空页面
//打开空页面, 并写入...WebBrowser1.Navigate('about:<head><title>标题></title><body>页面内容</body>');
//读取网页脚本中的变量:procedure TForm1.Button1Click(Sender: TObject);var s: string; i: Integer;begin s := WebBrowser1.OleObject.document.Script.str; i := WebBrowser1.OleObject.document.Script.num; ShowMessage(s); //Hello ShowMessage(IntToStr(i)); //99 //也可以这样读: s := WebBrowser1.OleObject.document.parentWindow.str; i := WebBrowser1.OleObject.document.parentWindow.num; ShowMessage(s); //Hello ShowMessage(IntToStr(i)); //99end;
假如网页中有这样的语句:
//调用网页脚本中的函数:procedure TForm1.Button1Click(Sender: TObject);begin WebBrowser1.OleObject.document.parentWindow.MB(); //HTML-Js //如需指定脚本语言, 需要: WebBrowser1.OleObject.document.parentWindow.execScript('MB()','JavaScript'); //HTML-Jsend;
假如有这样的脚本:
//判断网页及内部框架网页是否全部下载完毕procedure TForm1.WebBrowser1DocumentComplete(ASender: TObject; const pDisp: IDispatch; var URL: OleVariant);begin if WebBrowser1.Application = pDisp then begin Text := '网页下载完毕!'; end;end;
//改变背景色或背景图片:WebBrowser1.OleObject.document.body.bgcolor := '#FF0000';WebBrowser1.OleObject.document.body.background := '...图片地址';
//操作有 ID 标签的对象:var s: string;begin s := WebBrowser1.OleObject.document.getElementByID('span1').innerText; ShowMessage(s); //这是 span1 标签中的内容 //或者: s := WebBrowser1.OleObject.document.parentWindow.span1.innerText; ShowMessage(s); //这是 span1 标签中的内容 //隐藏它: WebBrowser1.OleObject.document.parentWindow.span1.style.display := 'none';end;
假如网页中有这样的内容:这是 span1 标签中的内容
//获取网页源代码var s: string;begin s := WebBrowser1.OleObject.document.body.innerHTML; //body内的所有代码 s := WebBrowser1.OleObject.document.body.outerHTML; //body内的所有代码, 包含body标签 s := WebBrowser1.OleObject.document.documentElement.innerHTML; //html内的所有代码end;
//WebBrowser 中的右键菜单//先要添加ApplicationEvents1,指定其Message事件//屏蔽右键菜单procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean);begin with Msg do begin if not IsChild(WebBrowser1.Handle, hWnd) then Exit; Handled := (message = WM_RBUTTONDOWN) or (message = WM_RBUTTONUP) or (message = WM_CONTEXTMENU); end;end;//替换右键菜单procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean);var mPoint: TPoint;begin if IsChild(WebBrowser1.Handle, Msg.Hwnd) and ((Msg.Message = WM_RBUTTONDOWN) or (Msg.Message = WM_RBUTTONUP)) then begin GetCursorPos(mPoint); //得到光标位置 PopupMenu1.Popup(mPoint.X, mPoint.Y); //弹出popupmenu1的菜单 Handled:=True; end;end;
//新页面写入begin WebBrowser1.Navigate('about:blank'); WebBrowser1.OleObject.Document.Writeln('ok');end;
//待续...