How Can I Parse and Manipulate HTML Documents in C# Using the HTML Agility Pack?

HTML Agility Pack Analysis and Operation HTML Document

HTML AGILITY PACK is a convenient tool used to analyze HTML documents in C#. It allows you to easily access and operate the elements in the HTML/XHTML document. To use the HTML Agility Pack in the project, follow the steps below:

<.> 1. Install

Install HTMLAGILITYPACK NUGET into your project.

<.> 2. Use

Analysis of HTML document:

Important function:

HtmlAgilityPack.HtmlDocument htmlDoc = new HtmlAgilityPack.HtmlDocument();

// 根据需要配置HTML解析选项
htmlDoc.OptionFixNestedTags = true;

// 从文件或字符串加载文档
htmlDoc.Load(filePath); // 从文件加载
// htmlDoc.LoadHtml(xmlString); // 从字符串加载

// 必要时处理解析错误
if (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count > 0)
{
    // ...
}

// 获取body节点
HtmlAgilityPack.HtmlNode bodyNode = htmlDoc.DocumentNode.SelectSingleNode("//body");

// 操作body节点
// ...

Method support files and flow input. The method helps to properly handle the HTML entity.

Use and
• classes to operate nodes. HtmlDocument.Load()
Use XPath expression and
• and HtmlEntity.DeEntitize() methods.
• Use the Attribute configuration analysis behavior. HtmlDocument HtmlNode Please refer to the
file with a detailed object reference.
• selectSingleNode

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