我创建了正确的模型类型,但不明白它来自哪里。有任何想法吗?
System.InvalidOperationException: The model item passed into the dictionary is of type 'System.Web.Mvc.HandleErrorInfo',
but this dictionary requires a model item of type 'BusinessLogic.Models.ErrorCodeModel'.
at System.Web.Mvc.ViewDataDictionary`1.SetModel(Object value)
at System.Web.Mvc.ViewDataDictionary..ctor(ViewDataDictionary dictionary)
at System.Web.Mvc.WebViewPage`1.SetViewData(ViewDataDictionary viewData)
at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance)
at System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)
at System.Web.Mvc.Controller.ExecuteCore()
at System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext)
at System.Web.Mvc.MvcHandler.c__DisplayClass6.c__DisplayClassb.b__5()
at System.Web.Mvc.Async.AsyncResultWrapper.c__DisplayClass1.b__0()
at System.Web.Mvc.MvcHandler.c__DisplayClasse.b__d()
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
在 global.asax.cs 中我注册了一个自定义属性:
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
filters.Add(new Controllers.ExtendendHandleErrorAttribute());
}
定义如下:
public class ExtendendHandleErrorAttribute : HandleErrorAttribute
{
public override void OnException(ExceptionContext filterContext)
{
LogErrors(filterContext);
try
{
base.OnException(filterContext);
var typedResult = filterContext.Result as ViewResult;
if (typedResult != null)
{
var tmpModel = typedResult.ViewData.Model;
typedResult.ViewData = filterContext.Controller.ViewData;
typedResult.ViewData.Model = CreateModel(filterContext);
filterContext.Result = typedResult;
}
}
catch(Exception ex)
{
new LogManager().Log("ExtendendHandleErrorAttribute error", ex);
}
}
有趣的是,我创建了 ErrorCodeModel。
private ErrorCodeModel CreateModel(ExceptionContext filterContext)
{
var model = new ErrorCodeModel();
if (filterContext.HttpContext.Session != null)
{
var session = filterContext.HttpContext.Session;
model.SessionId = session.SessionID;
StateHandler stateHandler = new StateHandler(session);
model.FapiErrorCode = stateHandler.CustomErrorCode.ToString();
try
{
model.GlobalData = new GlobalDataBuilder(stateHandler).Build();
model.ErrorMessage = model.GlobalData.ErrorText.TechnicalError;
}
catch { }
}
return model;
}
我的 Web.config
<customErrors mode="Off" defaultRedirect="Error">
<error statusCode="404" redirect="Error/FileNotFound" />
</customErrors>