var Form : IHTMLFormElement ;
D:IHTMLDocument2 ;
begin
with WebBrowser1 do begin
D := Document as IHTMLDocument2;
Form := D.Forms.item( 'form1 ',) as IHTMLFormElement; //form1为表单名
//title为表单中的文本框
(form.item( 'title ',) as IHTMLElement).setAttribute( 'value ',s_title,);
(form.item( 'content ',) as IHTMLElement).setAttribute( 'value ',edit1.text,);
(form.item( 'add ',) as IHTMLElement).click;//add为按钮名称
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 := to myole.all.length - 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:<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)); // //也可以这样读:
s := WebBrowser1.OleObject.document.parentWindow.str;
i := WebBrowser1.OleObject.document.parentWindow.num;
ShowMessage(s); //Hello
ShowMessage(IntToStr(i)); //
end;
假如网页中有这样的语句:
<script>
var
str = "Hello";
i = ;
</script> -------------------------------------------------------------------------------- //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-Js
end;
假如有这样的脚本:
<script>
function MB(){
alert('HTML-Js');
}
</script> -------------------------------------------------------------------------------- //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:
<span id=span1>这是 span1 标签中的内容</span> -------------------------------------------------------------------------------- //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;
自动登录
单个frames的输入
var
o : Olevariant;
begin
o := WebBrowser.OleObject.document.all.item('LoginUserID',); //找到登录用户名的输入框
o.value := 'TEST';
o := WebBrowser.oleobject.document.all.item('LoginPassword',); //找到登录密码的输入框
o.value := 'TEST'
WebBrowser.oleobject.document.Forms.Item(, ).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，对其它对象也可同样操作
}
end;
多个frames的输入，FrameIndex为Frame的序号
var
o : Olevariant;
begin
//找到登录用户名的输入框
o := WebBrowser.oleobject.document.documentelement.document.frames.item(FrameIndex).document.all.item('LoginUserID',);
o.value := 'TEST';
//找到登录密码的输入框
o := WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex).document.all.item('LoginPassword',);
o.value := 'TEST'
//第一个表单提交
WebBrowser.oleobject.document.documentelement.document.frames.item(FramIndex).document.Forms.Item(, ).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，对其它对象也可同样操作
}
end;