asp.net模板引擎Razor中cacheName的問題分析

static void Main(string[] args)
{
 string cshtml = File.ReadAllText(@"E:\百度云同步盤\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++)
{
 //如果調用1000次，使用下面方式就會創(chuàng)建很多程序集，性能很低
 string html = Razor.Parse(cshtml); 
 //解析的cshtml文件我給的一個“緩存名”是cc，這次一旦編譯成功
 //下次再讓你Parse() cc就不用重復編譯了,速度會非常快，
 //除非cshtml內容修改
 Razor.Parse(cshtml, null, "cc");
}

for (int i = 0; i < 10; i++)
{
 string cshtml = File.ReadAllText(fullPath);
 string cacheName = fullPath + File.GetLastWriteTime(fullPath);
 //文件全路徑+文件上一次被修改時間
 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);
}