ASP.NET MVC生成静态页面的方法

public class Common
{
 #region 获取模板页的Html代码
 /// <summary>
 /// 获取页面的Html代码
 /// </summary>
 /// <param name="url">模板页面路径</param>
 /// <param name="encoding">页面编码</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>
 /// 获取页面的编码
 /// </summary>
 /// <param name="html">Html源码</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静态页
 /// <summary>
 /// 创建静态文件
 /// </summary>
 /// <param name="result">Html代码</param>
 /// <param name="createpath">生成路径</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 调用静态模板，并且传递数据模型实体类 创建Html静态页
 /// <summary>
 /// 解析模板生成静态页
 /// </summary>
 /// <param name="temppath">模板地址</param>
 /// <param name="path">静态页地址</param>
 /// <param name="t">数据模型</param>
 /// <returns></returns>
 public static bool CreateStaticPage<T>(string temppath, string path, T t)
 {
 try
 {
 //获取模板Html
 string TemplateContent = GetHtml(temppath, System.Text.Encoding.UTF8);

 //初始化结果
 string result = string.Empty;

 //解析模板生成静态页Html代码
 result = Razor.Parse(TemplateContent, t);

 //创建静态文件
 return CreateFileHtmlByTemp(result, path);
 }
 catch (Exception e)
 {
 throw e;
 }
 }
 #endregion
}

//实例化调用方法
Task tk = new Task(CreateStaticHtml);
tk.Start();
//静态调用方法
Task.Factory.StartNew(() => CreateStaticHtml());

/// <summary>
/// 创建静态页面
/// </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);
 //初始化结果
 string result = string.Empty;
 //解析模板生成静态页Html代码
 result = Razor.Parse(TemplateContent, view_Home);
 //创建静态文件
 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;
 }
}