【发布时间】：2021-07-22 13:58:07
【问题描述】：
我有一个 ASP.NET Core MVC Web 应用程序，它使用 Entity Framework 和 Microsoft Identity 作为用户帐户。我能够在调试中运行应用程序并创建帐户/登录等，但是，当发布到 iis 时，我收到以下错误：
有问题的代码在下面的 _Layout.cshtml 中，据我所知，它没有像在调试中那样实现用户身份。
_Layout.cshtml
@using Microsoft.AspNetCore.Identity
@using MyApp.Areas.Identity.Data
@inject UserManager<MyAppUser> userManger
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>@ViewData["Title"] - MyApp</title>
<link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
<link rel="stylesheet" href="~/css/site.css" />
</head>
<body>
<header>
<nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
<div class="container">
<div style="height:30px; margin-top:0px;">
<img class="navbar-brand" style="height:auto; width:auto; max-height:100%; max-width:100%;" src="~/images/AASLogoDarkMinimal.png" />
</div>
<a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">My App</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse collapse d-sm-inline-flex flex-sm-row-reverse">
<partial name="_LoginPartial.cshtml" />
<ul class="navbar-nav flex-grow-1">
@{if (User.Identity.IsAuthenticated)
{
var user = await userManger.GetUserAsync(User);
var rolesArray = userManger.GetRolesAsync(user).Result;
if (rolesArray.Contains("Administrator") || rolesArray.Contains("Sales Administrator"))
{
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle text-info" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Admin Tools
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
@if (rolesArray.Contains("Administrator"))
{
<a type="button" class="dropdown-item btn btn-info btn-sm" asp-controller="User" asp-action="Index">User Management</a>
}
@if (rolesArray.Contains("Sales Administrator"))
{
<a type="button" class="dropdown-item btn btn-info btn-sm" asp-controller="User" asp-action="Index">Price Management</a>
}
</div>
</li>
}
}
}
</ul>
</div>
</div>
</nav>
</header>
<div class="container">
<main role="main" class="pb-3">
@RenderBody()
</main>
</div>
<footer class="border-top footer text-muted">
<div class="container">
© @DateTime.Now.Year - My Application
</div>
</footer>
<script src="~/lib/jquery/dist/jquery.min.js"></script>
<script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
<script src="~/js/site.js" asp-append-version="true"></script>
@RenderSection("Scripts", required: false)
</body>
</html>
可能与 IdentityHostingStartup.cs 有关吗？
IdentityHostingStartup.cs
using System;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.UI;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using MyApp.Areas.Identity.Data;
using MyApp.Data;
[assembly: HostingStartup(typeof(MyApp.Areas.Identity.IdentityHostingStartup))]
namespace MyApp.Areas.Identity
{
public class IdentityHostingStartup : IHostingStartup
{
public void Configure(IWebHostBuilder builder)
{
builder.ConfigureServices((context, services) => {
services.AddDbContext<MyAppAuthDbContext>(options =>
options.UseSqlServer(
context.Configuration.GetConnectionString("MyAppAuthDbContextConnection")));
services.AddDefaultIdentity<MyAppUser>(options => options.SignIn.RequireConfirmedAccount = true)
.AddRoles<IdentityRole>()
.AddEntityFrameworkStores<MyAppAuthDbContext>();
});
}
}
}
Startup.cs
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
public void ConfigureServices(IServiceCollection services)
{
services.AddDbContext<DbContextSQLIdentity>(options => options.UseSqlServer(Configuration.GetConnectionString("SQLIdentDB")));
services.AddTransient<IEmailSender, EmailSender>();
services.Configure<AuthMessageSenderOptions>(Configuration);
services.AddControllersWithViews().AddRazorRuntimeCompilation();
services.AddRazorPages();
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
app.UseHsts();
}
app.UseStaticFiles();
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Home}/{action=Index}/{id?}");
endpoints.MapRazorPages();
});
}
}
【问题讨论】：
-
您登录的用户是否有关联的角色？
-
我无法进入登录屏幕，这是应用程序加载时出现的错误。我在 Home 控制器索引上有 [Authorize]，它应该会提示返回登录屏幕。这是调试中发生的情况，但是当发布到服务器时，它会失败。
标签： c# entity-framework asp.net-core-mvc asp.net-identity