標籤：style ar io color os sp for java on
var Form : IHTMLFormElement ; D:IHTMLDocument2 ;begin with WebBrowser1 do begin D := Document as IHTMLDocument2; Form := D.Forms.item( ‘form1 ‘,0) as IHTMLFormElement; //form1為表單名 //title為表單中的文字框 (form.item( ‘title ‘,0) as IHTMLElement).setAttribute( ‘value ‘,s_title,0); (form.item( ‘content ‘,0) as IHTMLElement).setAttribute( ‘value ‘,edit1.text,0); (form.item( ‘add ‘,0) as IHTMLElement).click;//add為button名稱 end;
在delphi的WebBrowser中擷取和設定Input表單值
var i:Integer; myole:oleVariant;begin myole := wb1.Document; for i := 0 to myole.all.length - 1 do begin if myole.all.item(i).tagName = ‘INPUT‘ then begin mmo1.Lines.Add(myole.all.item(i).name); mmo1.Lines.Add(myole.all.item(i).value); end; end;end;
WebBrowser1.GoHome; //到瀏覽器預設首頁WebBrowser1.Refresh; //重新整理WebBrowser1.GoBack; //後退WebBrowser1.GoForward; //前進WebBrowser1.Navigate(‘...‘); //開啟指定頁面WebBrowser1.Navigate(‘about:blank‘); //開啟空頁面--------------------------------------------------------------------------------//開啟空頁面, 並寫入...WebBrowser1.Navigate(‘about:<head><title>標題></title><body>頁面內容</body>‘);--------------------------------------------------------------------------------//讀取網頁指令碼中的變數:procedure TForm1.Button1Click(Sender: TObject);vars: string;i: Integer;begins := WebBrowser1.OleObject.document.Script.str;i := WebBrowser1.OleObject.document.Script.num;ShowMessage(s); //HelloShowMessage(IntToStr(i)); //99//也能夠這樣讀:s := WebBrowser1.OleObject.document.parentWindow.str;i := WebBrowser1.OleObject.document.parentWindow.num;ShowMessage(s); //HelloShowMessage(IntToStr(i)); //99end;假如網頁中有這種語句:<script>varstr = "Hello";i = 99;</script>--------------------------------------------------------------------------------//調用網頁指令碼中的函數:procedure TForm1.Button1Click(Sender: TObject);beginWebBrowser1.OleObject.document.parentWindow.MB(); //HTML-Js//如需指定指令碼語言, 須要:WebBrowser1.OleObject.document.parentWindow.execScript(‘MB()‘,‘JavaScript‘); //HTML-Jsend;假如有這種指令碼:<script>function MB(){alert(‘HTML-Js‘);}</script>--------------------------------------------------------------------------------//推斷網頁及內部框架頁是否全部完成下載procedure TForm1.WebBrowser1DocumentComplete(ASender: TObject;const pDisp: IDispatch; var URL: OleVariant);beginif WebBrowser1.Application = pDisp thenbeginText := ‘網頁完成下載！‘;end;end;--------------------------------------------------------------------------------//改變背景色或背景圖片:WebBrowser1.OleObject.document.body.bgcolor := ‘#FF0000‘;WebBrowser1.OleObject.document.body.background := ‘...圖片地址‘;--------------------------------------------------------------------------------//操作有 ID 標籤的對象:vars: string;begins := WebBrowser1.OleObject.document.getElementByID(‘span1‘).innerText;ShowMessage(s); //這是 span1 標籤中的內容//或者:s := WebBrowser1.OleObject.document.parentWindow.span1.innerText;ShowMessage(s); //這是 span1 標籤中的內容//隱藏它:WebBrowser1.OleObject.document.parentWindow.span1.style.display := ‘none‘;end;假如網頁中有這種內容:<span id=span1>這是 span1 標籤中的內容</span>--------------------------------------------------------------------------------//擷取網頁源碼vars: string;begins := WebBrowser1.OleObject.document.body.innerHTML; //body內的全部代碼s := WebBrowser1.OleObject.document.body.outerHTML; //body內的全部代碼, 包括body標籤s := WebBrowser1.OleObject.document.documentElement.innerHTML; //html內的全部代碼end;--------------------------------------------------------------------------------//WebBrowser 中的右鍵菜單//先要加入ApplicationEvents1,指定其Message事件//屏蔽右鍵菜單procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean);beginwith Msg dobeginif not IsChild(WebBrowser1.Handle, hWnd) then Exit;Handled := (message = WM_RBUTTONDOWN) or (message = WM_RBUTTONUP) or (message = WM_CONTEXTMENU);end;end;//替換右鍵菜單procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean);var mPoint: TPoint;beginif IsChild(WebBrowser1.Handle, Msg.Hwnd) and((Msg.Message = WM_RBUTTONDOWN) or (Msg.Message = WM_RBUTTONUP)) thenbeginGetCursorPos(mPoint); //得到游標位置PopupMenu1.Popup(mPoint.X, mPoint.Y); //彈出popupmenu1的菜單Handled:=True;end;end;--------------------------------------------------------------------------------//新頁面寫入beginWebBrowser1.Navigate(‘about:blank‘);WebBrowser1.OleObject.Document.Writeln(‘ok‘);end;
自己主動登入
單個frames的輸入varo : Olevariant;begino := WebBrowser.OleObject.document.all.item(‘LoginUserID‘,0); //找到登入username的輸入框o.value := ‘TEST‘;o := WebBrowser.oleobject.document.all.item(‘LoginPassword‘,0); //找到登入password的輸入框o.value := ‘TEST‘WebBrowser.oleobject.document.Forms.Item(0, 0).submit; //第一個表單提交{o :=WebBrowser.oleobject.document.all.item(‘Login‘,0); //或者用指定表單名稱提交o.Click; //點擊操作，對其他對象也可相同操作}end;多個frames的輸入，FrameIndex為Frame的序號varo : Olevariant;begin//找到登入username的輸入框o := WebBrowser.oleobject.document.documentelement.document.frames.item(FrameIndex).document.all.item(‘LoginUserID‘,0);o.value := ‘TEST‘;//找到登入password的輸入框o := WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex).document.all.item(‘LoginPassword‘,0);o.value := ‘TEST‘//第一個表單提交WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex).document.Forms.Item(0, 0).submit;{//或者用指定表單名稱提交o :=WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex)..document.all.item(‘Login‘,0);o.Click; //點擊操作，對其他對象也可相同操作}end;
delphi webbrowser 經常用法示範範例
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