webbrowser获取带有alert提示的网页的源码.

dancecat120 2008-06-10 10:43:46

我的代码如下:



private void axWebBrowser1_DocumentComplete(object sender, AxSHDocVw.DWebBrowserEvents2_DocumentCompleteEvent e)

{

if (_ActiveWebBrowser.ReadyState == SHDocVw.tagREADYSTATE.READYSTATE_COMPLETE) 

{

HE_WebBrowserTag _HE_WebBrowserTag = (HE_WebBrowserTag)_ActiveWebBrowser.Tag;

if (_HE_WebBrowserTag._TabIndex == tabControl1.SelectedIndex)

{

txbURLLocation.Text = _ActiveWebBrowser.LocationURL;

}

WebBrowserViewSource();//获取网页源代码 

}	

}

现在有一个问题.网页中有时有一个alert谈出窗口.必须要手动点击确定后.才能读出源码.有没有办法.不点击确定直接读到网页的值.我想要得到alert里的提示信息

网页中的值如:

<script>alert('已成功登录');</script>
<body>
<table>
...
怎样才能不手动点击确实得到alert中的值

...全文

836 10 打赏收藏转发到动态举报

写回复

用AI写文章

10 条回复

切换为时间正序

请发表友善的回复…

发表回复

lovefootball 2008-06-10

打赏
举报

HtmlDocument doc = .......;
IHTMLWindow2 win = (IHTMLWindow2)doc.Window.DomWindow;
string s = @"function confirm() {";
s += @"return true;";
s += @"}";

s += @"function alert() {}";

win.execScript(s, "javascript");

dancecat120 2008-06-10

打赏
举报

继续等!

net135 2008-06-10

打赏
举报

期待答案

fengyecsdn 2008-06-10

打赏
举报

AxInterop.SHDocVw.dll
Interop.SHDocVw.dll
你可能需要引用这两个DLL

fengyecsdn 2008-06-10

打赏
举报

替换脚本.首先要找到ALERT的脚本方法名.然后把它顶替掉.

我一般都是直接写一个脚本方法名字就叫 ALERT(),然后里边记录动作,而不弹出框.





using mshtml;



private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)

        {

            textBox1.Text += "\r\n WB DCOM\r\n";

            //webBrowser1.DocumentText = webBrowser1.DocumentText.Replace("window.open", "").Replace("window.Open", "");

            IHTMLDocument2 vDo = (IHTMLDocument2)webBrowser1.Document.DomDocument;

            // vDo.parentWindow.execScript("function alert(str){  window.external.HaHa(str); }   var wnd=window;   function window2() {  this.win=wnd;  this.open=function(url, target, params)    {      window.external.HaHa(url);     };  this.unload=function()    {	window.external.HaHa('Out ing OK');     };  } var hjhj=new window2();  hjhj.open('http://www.baidu.com','haha','jiba');   alert('hahabubububu');   ", "javaScript");

            vDo.parentWindow.execScript("function alert(str){  window.external.HaHa(str); }    function window.open(url, target, params)    {      window.external.HaHaopen(url , target);     };  function window.unload()  {	window.external.HaHaunld();     } ;   function window.close()    {	window.external.HaHaclose();     }  ;   function window.onunload() {  window.external.HaHaunld(); };  function window.onbeforeunload() { window.external.HaHaunld(); };     function cls(){  window.external.HaHaunld(); };         alert('hahabubububu');   ", "javaScript");



}



  public void HaHa(string haha)

        {

            textBox1.Text += " \r\n ★★★★★★★★★★ \r\n==WB Get Message== \r\n " + haha + "\r\n";

        }

        public void HaHaopen(string url,string tager)

        {

            textBox2.Text += " \r\n ★★★★★★★★★★ \r\n==WB Get NewWind== \r\n URL:" + url+"   TAG:"+tager+ "\r\n";

            SBisDO = true;

            if (url.ToLower().Substring(0, 4) == "/eip")

            {

                webBrowser2.Navigate("http://app.xxml.com.cn" + url,false);

            }

        }

        public void HaHaclose()

        {

            textBox1.Text += " \r\n ★★★★★★★★★★ \r\n==WB Get close== \r\n \r\n";

        }

        public void HaHaunld()

        {

            textBox1.Text += " \r\n ★★★★★★★★★★ \r\n==WB Get UnLoading== \r\n \r\n";

        }



        private void webBrowser1_FileDownload(object sender, EventArgs e)

        {

            textBox1.Text += "WB is FILE DOWN \r\n";

        }



        private void webBrowser1_Navigating(object sender, WebBrowserNavigatingEventArgs e)

        {

            textBox1.Text += "WB is Naving "+e.Url.ToString() +"  ==  "+e.TargetFrameName+"\r\n";

        }

lovefootball 2008-06-10

打赏
举报

你的让弹出alert的那个window来执行这段JS

dancecat120 2008-06-10

打赏
举报

[Quote=引用 5 楼 jinjazz 的回复:]
就是用自定义的js函数把系统的那个干掉
[/Quote]





IHTMLDocument2 vDocument = (IHTMLDocument2)mybrowser.Document.DomDocument;

 string s = @"function confirm() {";

s += @"return true;";

 s += @"}";

 s += @"function alert() {}";

vDocument.parentWindow.execScript(s, "javascript");

改成这样.执行效果是一样的.还是会弹出alert.