mvc生产静态页

/// <summary>
/// 获取view的html代码
/// </summary>
/// <param name="viewName"></param>
/// <param name="model"></param>
/// <returns></returns>
public string ViewToString(string viewName, object model)
{
if (string.IsNullOrEmpty(viewName))
viewName = ControllerContext.RouteData.GetRequiredString("action");

ViewData.Model = model;

using (StringWriter sw = new StringWriter())
{
ViewEngineResult viewResult = ViewEngines.Engines.FindView(ControllerContext, viewName, null);
if (viewResult!=null)
{
ViewContext viewContext = new ViewContext(ControllerContext, viewResult.View, ViewData, TempData, sw);
viewResult.View.Render(viewContext, sw);
}
return sw.GetStringBuilder().ToString();
}
}

/// <summary>
/// 根据固定ip，页码是1，参数oldhtml=OK（ip限制）
/// </summary>
/// <param name="pageIndex"></param>
/// <param name="oldhtml"></param>
/// <returns></returns>
public static bool IsCreateHtml(string oldhtml, int pageIndex = 1)
{
bool isCreate = false;
try
{
if (string.IsNullOrWhiteSpace(oldhtml))
{
isCreate = false;
}
else
{
if (pageIndex == 1 && "ok".Equals(oldhtml.ToLower()))
{
string allowIP = System.Configuration.ConfigurationManager.AppSettings["AllowIP"];
string ip = System.Web.HttpContext.Current.Request.UserHostAddress;
if (allowIP.Contains(ip) || allowIP.Contains("*.*.*.*"))
{
isCreate = true;
}
}
}
}
catch (Exception ex)
{ }
return isCreate;
}

//根据制定参数生成静态页
public ActionResult Index(String oldhtml = "")
{

#region video news
var vnews = NWebApiHttpClient.GetWebApiValueNotBackVal<JArray>("http://video.gongkong.com/api/videoapi/getvideonews?psize=12");
ViewData["VideoNews"] = vnews;
#endregion

if (Common.IsCreateHtml(oldhtml))
{
//获取view的html代码
string html = ViewToString("~/Views/News/index.cshtml", ja);
#region create static html
string uri = ControllerContext.HttpContext.Server.MapPath(NWebConfig.ReadSetting("mappathstring")) + @"news\index.html";
if (!System.IO.File.Exists(uri))
{
System.IO.File.Create(uri).Close();
}
System.IO.File.WriteAllText(uri, html, System.Text.Encoding.UTF8);
}
#endregion

return View(ja);
}