ASP.Net 5 MVC 6，如何使用共享的Error.cshtml作为默认错误响应 [英] ASP.Net 5 MVC 6, how to use shared Error.cshtml as default error response

问题描述

ASP.Net 5 MVC 6，如何使用共享的Error.cshtml作为默认错误响应

当使用带有剃刀视图的Microsoft.AspNet.Diagnostics UseExceptionHandler中间件时

如果您在 https://github.com/aspnet上查看示例代码/Diagnostics/tree/dev/samples/ExceptionHandlerSample/Startup.cs 解释如何为ASP.Net 5使用Microsoft.AspNet.Diagnostics ErrorHandler中间件，评论说:

If you look at the sample code at https://github.com/aspnet/Diagnostics/tree/dev/samples/ExceptionHandlerSample/Startup.cs explaning how to use Microsoft.AspNet.Diagnostics ErrorHandler middleware for ASP.Net 5,a comment say:

//通常，您将使用MVC或类似的东西来呈现漂亮的页面.

// Normally you'd use MVC or similar to render a nice page.

好，但是该怎么做?

public class Startup
{
    public void Configure(IApplicationBuilder app)
    {
        // Configure the error handler to show an error page.
        app.UseExceptionHandler(errorApp =>
        {
            // Normally you'd use MVC or similar to render a nice page.
            errorApp.Run(async context =>
            {

推荐答案

在启动类中:

app.UseExceptionHandler("/Home/Error");

在HomeController中:

in HomeController:

public IActionResult Error()
{
    var feature = this.HttpContext.Features.Get<IExceptionHandlerFeature>();
    return View("~/Views/Shared/Error.cshtml", feature?.Error);
}

Error.cshtml视图如下所示:

the Error.cshtml view can look like :

@model Exception

@{
    ViewBag.Title = "Oops!";
}
<h1 class="text-danger">Oops! an error occurs</h1>
<h2 class="text-danger">An error occurred while processing your request.</h2>
@if (Model != null)
{
    @Html.ValueFor(model => model.Message)
}

此代码是 GitHub

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