private void ResetControllActions()
{
//((CustomRazorViewEngine)_razorViewEngine).ClearCache();
//((CustomRuntimeViewCompiler)_viewCompiler.GetCompiler()).ClearCache();
#region 通过反射清空缓存
//注意：以下反射的是内部类，随着版本升级字段名可能不同
var viewLookupCacheField = _razorViewEngine.GetType().GetProperty("ViewLookupCache", BindingFlags.Instance | BindingFlags.NonPublic);
var viewLookupCache = viewLookupCacheField.GetValue(_razorViewEngine) as MemoryCache;
viewLookupCache?.Clear();
var viewCompiler = _viewCompiler.GetCompiler();
var precompiledViewCacheField = viewCompiler.GetType().GetField("_cache", BindingFlags.Instance | BindingFlags.NonPublic);
var precompiledViewCache = precompiledViewCacheField.GetValue(viewCompiler) as MemoryCache;
precompiledViewCache?.Clear();
var precompiledViewsField = viewCompiler.GetType().GetField("_precompiledViews", BindingFlags.Instance | BindingFlags.NonPublic);
var precompiledViews = precompiledViewsField.GetValue(viewCompiler) as Dictionary <string, CompiledViewDescriptor>;
var feature = new ViewsFeature();
_partManager.PopulateFeature(feature);
foreach (var precompiledView in feature.ViewDescriptors)
{
if (!precompiledViews.ContainsKey(precompiledView.RelativePath))
{
// View ordering has precedence semantics, a view with a higher precedence was
// already added to the list.
precompiledViews.Add(precompiledView.RelativePath, precompiledView);
}
else
{
var oldPreCompiledView = precompiledViews[precompiledView.RelativePath];
if (oldPreCompiledView.Type != precompiledView.Type)
{
precompiledViews[precompiledView.RelativePath] = precompiledView;
}
}
}
#endregion
_dynamicChangeTokenProvider.NotifyChanges();
}
public RazorHotReload(
IRazorViewEngine razorViewEngine,
IRazorPageActivator razorPageActivator,
ITagHelperFactory tagHelperFactory,
IViewCompilerProvider viewCompilerProvider,
ITagHelperComponentPropertyActivator tagHelperComponentPropertyActivator,
ApplicationPartManager applicationPartManager)
{
// For Razor view services, use the service locator pattern because they views not be registered by default.
_razorCompiledItemFeatureProvider = applicationPartManager.FeatureProviders.OfType <RazorCompiledItemFeatureProvider>().FirstOrDefault();
if (viewCompilerProvider is DefaultViewCompiler defaultViewCompiler)
{
_defaultViewCompiler = defaultViewCompiler;
}
if (razorViewEngine.GetType() == typeof(RazorViewEngine))
{
_razorViewEngine = (RazorViewEngine)razorViewEngine;
}
if (razorPageActivator.GetType() == typeof(RazorPageActivator))
{
_razorPageActivator = (RazorPageActivator)razorPageActivator;
}
if (tagHelperFactory is DefaultTagHelperFactory defaultTagHelperFactory)
{
_defaultTagHelperFactory = defaultTagHelperFactory;
}
if (tagHelperComponentPropertyActivator is TagHelperComponentPropertyActivator defaultTagHelperComponentPropertyActivator)
{
_tagHelperComponentPropertyActivator = defaultTagHelperComponentPropertyActivator;
}
}
