/// <summary>
/// 发生异常时，跳转至异常信息显示页
/// </summary>
/// <param name="filterContext"></param>
public virtual void OnException(ExceptionContext filterContext)
{
if (filterContext == null)
{
throw new ArgumentNullException("filterContext");
}
if (filterContext.IsChildAction)
{
return;
}
// If custom errors are disabled, we need to let the normal ASP.NET exception handler
if (filterContext.ExceptionHandled)
{
return;
}
Exception exception = filterContext.Exception;
ExceptionFacade exceptionFacade = new ExceptionFacade(exception.Message, exception);
exceptionFacade.Log();
// If this is not an HTTP 500 (for example, if somebody throws an HTTP 404 from an action method),
// ignore it.
if (new HttpException(null, exception).GetHttpCode() != 500)
{
return;
}
//过滤异步请求
if (filterContext.HttpContext.Request.Headers.Get("X-Requested-With") != null)
{
return;
}
if (exception.InnerException != null && exception.InnerException is ExceptionFacade)
{
exceptionFacade = exception.InnerException as ExceptionFacade;
}
if (exceptionFacade == null)
{
return;
}
if (!filterContext.HttpContext.IsCustomErrorEnabled)
{
return;
}
//todo:zhengw by:sunx SystemMessageViewModel的Body原为exceptionFacade.OperationContextMessage，此处抛未实例化异常
filterContext.Result = new RedirectResult(SiteUrls.Instance().SystemMessage(filterContext.Controller.TempData, new SystemMessageViewModel {
StatusMessageType = Tunynet.Mvc.StatusMessageType.Error, Title = "出错了", Body = exceptionFacade.Message
}));
filterContext.ExceptionHandled = true;
filterContext.HttpContext.Response.Clear();
filterContext.HttpContext.Response.StatusCode = 500;
// Certain versions of IIS will sometimes use their own error page when
// they detect a server error. Setting this property indicates that we
// want it to try to render ASP.NET MVC's error page instead.
filterContext.HttpContext.Response.TrySkipIisCustomErrors = true;
}