App_Code/Snatchat.cs

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using System;
using System.IO;
using System.Net;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text.RegularExpressions;

/// <summary>
/// Snatchat 的摘要说明
/// </summary>
public class Snatchat
{
    public Snatchat()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }
    public string RequestHtml(string url)
    {
        try
        {
            HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
            request.Referer = url;
            HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
            StreamReader reader = new System.IO.StreamReader(response.GetResponseStream(), System.Text.Encoding.Default);
            string htmlCode = reader.ReadToEnd();
            reader.Close();
            return Regex.Replace(htmlCode, "\r|\n", "");
        }
        catch { return ""; }
    }
}