尝试激活RegisterModel时无法解析IEmailSender类型的服务 [英] Unable to resolve service for type IEmailSender while attempting to activate RegisterModel

问题描述

我正在使用身份，但遇到一个问题，即我制作了一个新的示例项目，并具有个人身份验证和支架身份 InvalidOperationException:尝试激活"MASQ.Areas.Identity.Pages.Account.RegisterModel"时，无法解析类型为"Microsoft.AspNetCore.Identity.UI.Services.IEmailSender"的服务.

I'm using Identity and I have a problem that I make a new example project and with individual authentication and scaffold identity InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Identity.UI.Services.IEmailSender' while attempting to activate 'MASQ.Areas.Identity.Pages.Account.RegisterModel'.

推荐答案

有两种方法可以做到这一点:

There're two ways to do that :

1. 删除ConfigurureServices()中的services.AddDefaultTokenProviders()以禁用two-factor authentication (2FA):

// file: `Startup.cs` :
services.AddDefaultIdentity<IdentityUser>()
    .AddEntityFrameworkStores<ApplicationDbContext>();
    ///.AddDefaultTokenProviders(); /// remove this line

如果要启用2FA

// file: `Startup.cs`

services.AddTransient<IEmailSender,YourEmailSender>();
services.AddTransient<IEmailSender,YourSmsSender>();

两者都应该起作用.

两者都应适用于ASP.NET Core 2.1.但是，从ASP.NET Core 3.0开始，第一种方法不再起作用.

Both should work for ASP.NET Core 2.1. However, as of ASP.NET Core 3.0, the first approach doesn't work any more.

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