var Form : IHTMLFormElement ; D:IHTMLDocument2 ;begin with WebBrowser1 do begin D := Document as IHTMLDocument2; Form := D.Forms.item( 'form1 ',0) as IHTMLFormElement; //form1为表单名 //title为表单中的文本框 (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为button名称 end;
在delphi的WebBrowser中获取和设置Input表单值
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:标题> 页面内容');--------------------------------------------------------------------------------//读取网页脚本中的变量: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//也能够这样读:s := WebBrowser1.OleObject.document.parentWindow.str;i := WebBrowser1.OleObject.document.parentWindow.num;ShowMessage(s); //HelloShowMessage(IntToStr(i)); //99end;假如网页中有这种语句:--------------------------------------------------------------------------------//调用网页脚本中的函数:procedure TForm1.Button1Click(Sender: TObject);beginWebBrowser1.OleObject.document.parentWindow.MB(); //HTML-Js//如需指定脚本语言, 须要:WebBrowser1.OleObject.document.parentWindow.execScript('MB()','JavaScript'); //HTML-Jsend;假如有这种脚本:--------------------------------------------------------------------------------//推断网页及内部框架网页是否全部完成下载procedure TForm1.WebBrowser1DocumentComplete(ASender: TObject;const pDisp: IDispatch; var URL: OleVariant);beginif WebBrowser1.Application = pDisp thenbeginText := '网页完成下载！';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:vars: string;begins := 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;假如网页中有这种内容:这是 span1 标签中的内容--------------------------------------------------------------------------------//获取网页源码vars: string;begins := WebBrowser1.OleObject.document.body.innerHTML; //body内的全部代码s := WebBrowser1.OleObject.document.body.outerHTML; //body内的全部代码, 包括body标签s := WebBrowser1.OleObject.document.documentElement.innerHTML; //html内的全部代码end;--------------------------------------------------------------------------------//WebBrowser 中的右键菜单//先要加入ApplicationEvents1,指定其Message事件//屏蔽右键菜单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;//替换右键菜单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beginWebBrowser1.Navigate('about:blank');WebBrowser1.OleObject.Document.Writeln('ok');end; 自己主动登录
单个frames的输入varo : Olevariant;begino := WebBrowser.OleObject.document.all.item('LoginUserID',0); //找到登录username的输入框o.value := 'TEST';o := WebBrowser.oleobject.document.all.item('LoginPassword',0); //找到登录password的输入框o.value := 'TEST'WebBrowser.oleobject.document.Forms.Item(0, 0).submit; //第一个表单提交{o :=WebBrowser.oleobject.document.all.item('Login',0); //或者用指定表单名称提交o.Click; //点击操作，对其他对象也可相同操作}end;多个frames的输入，FrameIndex为Frame的序号varo : Olevariant;begin//找到登录username的输入框o := WebBrowser.oleobject.document.documentelement.document.frames.item(FrameIndex).document.all.item('LoginUserID',0);o.value := 'TEST';//找到登录password的输入框o := WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex).document.all.item('LoginPassword',0);o.value := 'TEST'//第一个表单提交WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex).document.Forms.Item(0, 0).submit;{//或者用指定表单名称提交o :=WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex)..document.all.item('Login',0);o.Click; //点击操作，对其他对象也可相同操作}end;