关于多个frame页面的抓取

来源：互联网发布：java 可变参数编辑：程序博客网时间：2024/05/09 21:54

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using mshtml;

namespace WindowsFormsApplication3

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)

{

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

foreach (IHTMLElement LV0 in doc.all)

{

if (LV0.tagName.ToUpper() == "FRAME")

{

IHTMLFrameBase2 LV0_FRAME = (IHTMLFrameBase2)LV0;

if (LV0_FRAME.contentWindow.name == "frm4")

{

foreach (IHTMLElement LV1 in LV0_FRAME.contentWindow.document.all)

{

if (LV1.tagName.ToUpper() == "FRAME")

{

IHTMLFrameBase2 LV1_FRAME = (IHTMLFrameBase2)LV1;

if (LV1_FRAME.contentWindow.name == "frm002")

{

foreach (IHTMLElement LV2 in LV1_FRAME.contentWindow.document.all)

{

if (LV2.tagName.ToUpper() == "TABLE")

{

// MessageBox.Show(LV2.innerHTML);

HTMLTable table = (HTMLTable)LV2;

HTMLTableCell cell=null;

HTMLTableRow row= null;

object index=1;

string text = "";

row= (HTMLTableRow)table.rows.item(index,index);

for (int i = 0; i < row.cells.length; i++)

{

object indexcell = i;

string str = ",";

cell = (HTMLTableCell)row.cells.item(indexcell, indexcell);

if (i == 1)

{

str = cell.innerHTML;

str = str.Replace("<EM>", ",");

str = str.Replace("</EM>", ",");

text = text + str;

}

else

text = text + cell.innerText+str;

}

MessageBox.Show(text);

HTMLDocument doc1 = (HTMLDocument)LV2.document;

HTMLButtonElement button = (HTMLButtonElement)doc1.getElementById("showme");

button.click();

}

private void button1_Click(object sender, EventArgs e)

{

webBrowser1.Navigate(textBox1.Text);

}