tede/gx_api/GxPress/Infrastructure/GxPress.Common/Tools/HtmlAgilityPackHelper.cs

using HtmlAgilityPack;

namespace GxPress.Common.Tools
{
    public static class HtmlAgilityPackHelper
    {
        /// <summary>
        /// 完整
        /// </summary>
        /// <param name="html"></param>
        /// <returns></returns>
        public static string GetHmtl(string html)
        {
            var document = new HtmlDocument();
            document.LoadHtml(html);
            var node = document.DocumentNode.SelectNodes("//body/p");
            var tittle = document.DocumentNode.SelectNodes("//title");
            var pContent = $"<h2>{tittle[0].InnerText}</h2>";
            foreach (var item in node)
            {
                if (string.IsNullOrWhiteSpace(item.InnerHtml))
                    continue;
                pContent += item.OuterHtml;
            }
            return pContent;
        }
        /// <summary>
        /// 一部分
        /// </summary>
        /// <param name="html"></param>
        /// <returns></returns>
        public static string GetHmtlContent(string html)
        {
            var pContent = string.Empty;
            var document = new HtmlDocument();
            document.LoadHtml(html);
            var node = document.DocumentNode.SelectNodes("//body/p");
            var tittle = document.DocumentNode.SelectNodes("//title");
            pContent = $"<h2>{tittle[0].InnerText}</h2>";
            foreach (var item in node)
            {
                if (pContent.Length > 100)
                    break;
                if (string.IsNullOrWhiteSpace(item.InnerHtml))
                    continue;
                //pContent += item.InnerHtml.ToString()
                pContent += item.OuterHtml;
            }
            return pContent;
        }
    }
}