public class Common{  #region 獲取模板頁的Html代碼  /// <summary>  /// 獲取頁面的Html代碼  /// </summary>  /// <param name="url">模板頁面路徑</param>  /// <param name="encoding">頁面編碼</param>  /// <returns></returns>  public static string GetHtml(string url, System.Text.Encoding encoding)  {    byte[] buf = new WebClient().DownloadData(url);    if (encoding != null)    {      return encoding.GetString(buf);    }    string html = System.Text.Encoding.UTF8.GetString(buf);    encoding = GetEncoding(html);    if (encoding == null || encoding == System.Text.Encoding.UTF8)    {      return html;    }    return encoding.GetString(buf);  }  /// <summary>  /// 獲取頁面的編碼  /// </summary>  /// <param name="html">Html源碼</param>  /// <returns></returns>  public static System.Text.Encoding GetEncoding(string html)  {    string pattern = @"(?i)/bcharset=(?<charset>[-a-zA-Z_0-9]+)";    string charset = Regex.Match(html, pattern).Groups["charset"].Value;    try    {      return System.Text.Encoding.GetEncoding(charset);    }    catch (ArgumentException)    {      return null;    }  }  #endregion  #region 用于生成Html靜態頁  /// <summary>  /// 創建靜態文件  /// </summary>  /// <param name="result">Html代碼</param>  /// <param name="createpath">生成路徑</param>  /// <returns></returns>  public static bool CreateFileHtmlByTemp(string result, string createpath)  {    if (!string.IsNullOrEmpty(result))    {      if (string.IsNullOrEmpty(createpath))      {        createpath = "/default.html";      }      string filepath = createpath.Substring(createpath.LastIndexOf(@"/"));      createpath = createpath.Substring(0, createpath.LastIndexOf(@"/"));      if (!Directory.Exists(createpath))      {        Directory.CreateDirectory(createpath);      }      createpath = createpath + filepath;      try      {        FileStream fs2 = new FileStream(createpath, FileMode.Create);        StreamWriter sw = new StreamWriter(fs2, new System.Text.UTF8Encoding(false));//去除UTF-8 BOM        sw.Write(result);        sw.Close();        fs2.Close();        fs2.Dispose();        return true;      }      catch (Exception ex)      {        throw ex;      }    }    return false;  }  #endregion  #region 調用靜態模板，并且傳遞數據模型實體類 創建Html靜態頁  /// <summary>  /// 解析模板生成靜態頁  /// </summary>  /// <param name="temppath">模板地址</param>  /// <param name="path">靜態頁地址</param>  /// <param name="t">數據模型</param>  /// <returns></returns>  public static bool CreateStaticPage<T>(string temppath, string path, T t)  {    try    {      //獲取模板Html      string TemplateContent = GetHtml(temppath, System.Text.Encoding.UTF8);      //初始化結果      string result = string.Empty;      //解析模板生成靜態頁Html代碼      result = Razor.Parse(TemplateContent, t);      //創建靜態文件      return CreateFileHtmlByTemp(result, path);    }    catch (Exception e)    {      throw e;    }  }  #endregion}

//實例化調用方法Task tk = new Task(CreateStaticHtml);tk.Start();//靜態調用方法Task.Factory.StartNew(() => CreateStaticHtml());

/// <summary>/// 創建靜態頁面/// </summary>public void CreateStaticHtml(){  using (BangLiEntities bangLi = new BangLiEntities())  {    View_Home view_Home = new View_Home();    view_Home.CommandAdExtendList = Dal.CommandAdDal.Instance(bangLi).GetInit().ToList();    view_Home.NewsList = bangLi.News.OrderByDescending(u => u.AddDateTime).Take(5).ToList();    view_Home.NewsExtendList = Dal.NewsDal.Instance(bangLi).GetInit().OrderByDescending(u => u.AddDateTime).Take(5).ToList();    view_Home.News = Dal.NewsDal.Instance(bangLi).GetInit().Where(u => u.Id == 3).SingleOrDefault();    string TemplateContent = Common.GetHtml(Server.MapPath("/Views/SourceHtml/Home/Index.cshtml"), System.Text.Encoding.UTF8);    //初始化結果    string result = string.Empty;    //解析模板生成靜態頁Html代碼    result = Razor.Parse(TemplateContent, view_Home);    //創建靜態文件    Common.CreateFileHtmlByTemp(result, Server.MapPath("/Resource/Manage/Html/Home/Index.html"));  }}

public class MyFirstHomeAttribute:ActionFilterAttribute{  public override void OnActionExecuting(ActionExecutingContext filterContext)  {    var context = filterContext.HttpContext;    context.Session["IsStaticHtml"] = false;    string path = context.Server.MapPath("/Resource/Manage/Html/Home/Index.html");    if (System.IO.File.Exists(path))    {      string html = System.IO.File.ReadAllText(path);      context.Response.Write(html);      context.Session["IsStaticHtml"] = true;      context.Response.End();    }  }}

[MyFirstHome]public ActionResult Index(){  View_Home view_Home = null;  var IsStaticHtml = Convert.ToBoolean(Session["IsStaticHtml"]);  if (!IsStaticHtml)  {    view_Home = new View_Home();    using (BangLiEntities bangLi = new BangLiEntities())    {      view_Home.CommandAdExtendList = Dal.CommandAdDal.Instance(bangLi).GetInit().ToList();      view_Home.NewsExtendList = Dal.NewsDal.Instance(bangLi).GetInit().OrderByDescending(u => u.AddDateTime).Take(5).ToList();              }    return View(view_Home);  }  else  {    return null;  }}