asp.net模板引擎Razor中cacheName的问题分析

static void Main(string[] args)
{
 string cshtml = File.ReadAllText(@"E:\百度云同步盘\Study\Net_ASP.NET\Web基本原理\RazorCacheNameTest\HTMLPage1.cshtml");
 for (int i = 0; i < 1000; i++)
 {
  string html = Razor.Parse(cshtml); 
 }
 Assembly[] asms = AppDomain.CurrentDomain.GetAssemblies();
 foreach (Assembly asm in asms)
 {
  Console.WriteLine(asm.FullName+"\r\n");
 }
 Console.ReadKey();
}

for (int i = 0; i < 1000; i++)
{
  //如果调用1000次，使用狼蚁网站SEO优化方式就会创建很多程序集，性能很低
  string html = Razor.Parse(cshtml); 
  //解析的cshtml文件我给的一个“缓存名”是，这次一旦编译成功
  //下次再让你Parse() 就不用重复编译了,速度会非常快，
  //除非cshtml内容修改
  Razor.Parse(cshtml, null, "");
}

for (int i = 0; i < 10; i++)
{
  string cshtml = File.ReadAllText(fullPath);
  string cacheName = fullPath + File.GetLastWriteTime(fullPath);
  //文件全路径+文件上一次被修改时间
  string html = Razor.Parse(cshtml,null,cacheName);
  Console.WriteLine(html);
  Console.ReadKey();
}

private ITemplate GetTemplate<T>(string razorTemplate, object model, string cacheName)
{
 Func<string, CachedTemplateItem, CachedTemplateItem> updateValueFactory = null;
 CachedTemplateItem item;
 if (razorTemplate == null)
 {
  throw new ArgumentNullException("razorTemplate");
 }
 int hashCode = razorTemplate.GetHashCode();
 if (!this._cache.TryGetValue(cacheName, out item) || (item.CachedHashCode != hashCode))
 {
  Type templateType = this.CreateTemplateType(razorTemplate, (model == null) ? typeof(T) : model.GetType());
  item = new CachedTemplateItem(hashCode, templateType);
  if (updateValueFactory == null)
  {
   updateValueFactory = (n, i) => item;
  }
  this._cache.AddOrUpdate(cacheName, item, updateValueFactory);
 }
 return this.CreateTemplate(null, item.TemplateType, model);
}