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)
        {
            try
            {
                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;
            }
            catch
            {

                return string.Empty;
            }
        }
        /// <summary>
        /// 一部分
        /// </summary>
        /// <param name="html"></param>
        /// <returns></returns>
        public static string GetHmtlContent(string html)
        {
            try
            {
                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;
            }
            catch
            {
                return string.Empty;
            }
        }
    }
}