对于Html文件的解析
| 名称 | 描述 |
| 来自文件 | 从文件中加载HTML |
| 来自字符串 | 从字符串中加载HTML |
| 来自网络 | 从网络资源中加载HTML |
| 从浏览器 | 从浏览器中加载HTML |
从文件中加载HTML
public static void Main()
{
var path = @"test.html";
var doc = new HtmlDocument();
doc.Load(path);
var node = doc.DocumentNode.SelectSingleNode("//body");
Console.WriteLine(node.OuterHtml);
}从字符串中加载HTML
var html = @"<!DOCTYPE html>
<html>
<body>
<h1>This is <b>bold</b> heading</h1>
<p>This is <u>underlined</u> paragraph</p>
<h2>This is <i>italic</i> heading</h2>
</body>
</html> ";
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(html);
var htmlBody = htmlDoc.DocumentNode.SelectSingleNode("//body");
Console.WriteLine(htmlBody.OuterHtml);在网络中加载HTML
var html = @"http://html-agility-pack.net/";
HtmlWeb web = new HtmlWeb();
var htmlDoc = web.Load(html);
var node = htmlDoc.DocumentNode.SelectSingleNode("//head/title");
Console.WriteLine("Node Name: " + node.Name + "\n" + node.OuterHtml);从浏览器中加载HTML
using System.Windows.Forms;
string url = "http://html-agility-pack/from-browser";
var web1 = new HtmlWeb();
var doc1 = web1.LoadFromBrowser(url, o =>
{
var webBrowser = (WebBrowser) o;
// WAIT until the dynamic text is set
return !string.IsNullOrEmpty(webBrowser.Document.GetElementById("uiDynamicText").InnerText);
});
var t1 = doc1.DocumentNode.SelectSingleNode("//div[@id='uiDynamicText']").InnerText;
var web2 = new HtmlWeb();
var doc2 = web2.LoadFromBrowser(url, html =>
{
// WAIT until the dynamic text is set
return !html.Contains("<div id=\"uiDynamicText\"></div>");
});
var t2 = doc2.DocumentNode.SelectSingleNode("//div[@id='uiDynamicText']").InnerText;
Console.WriteLine("Text 1: " + t1);
Console.WriteLine("Text 2: " + t2);