C# 如何在asp.net core中为标识库配置电子邮件发送？

在ASP.NET中，您可以根据我自己的回答，在App_Start文件夹的IdentityConfig.cs中为标识配置电子邮件

ASP.NET核心标识。默认情况下，不包括此IdentityConfig.cs文件。那么，我如何配置电子邮件发送，比如注册确认？

根据

ASP.NET Core 2在很大程度上依赖于依赖项注入。 Identity Library的RegisterModel（以及其他依赖电子邮件的模型）具有以下字段：

private readonly IEmailSender _emailSender;

您只需使用Startup.cs ConfigureServices方法注入自己实现的IEmailSender：

public void ConfigureServices(IServiceCollection services)
    {
        ...

        services.AddTransient<IEmailSender, EmailSender>();
    }

---

您可以参考以下步骤使用SMTP发送电子邮件：

创建EmailSender类，并包含以下方法：

 public interface IMyEmailSender
 {
     void SendEmail(string email, string subject, string HtmlMessage);
 }

 public class MyEmailSender : IMyEmailSender
 {
     public IConfiguration Configuration { get; }
     public MyEmailSender(IConfiguration configuration)
     {
         Configuration = configuration;
     } 
     public void SendEmail(string email, string subject, string HtmlMessage)
     {
         using (MailMessage mm = new MailMessage(Configuration["NetMail:sender"], email))
         {
             mm.Subject = subject;
             string body = HtmlMessage;
             mm.Body = body;
             mm.IsBodyHtml = true;
             SmtpClient smtp = new SmtpClient();
             smtp.Host = Configuration["NetMail:smtpHost"];
             smtp.EnableSsl = true;
             NetworkCredential NetworkCred = new NetworkCredential(Configuration["NetMail:sender"], Configuration["NetMail:senderpassword"]);
             smtp.UseDefaultCredentials = false;
             smtp.Credentials = NetworkCred;
             smtp.Port = 587;
             smtp.Send(mm);
         }
     } 
 }

将SMTP配置信息存储在appsettings.json中

“NetMail”：{ “smtpHost”：“smtp.live.com”， “发件人”：“发件人电子邮件”， “发件人密码”：“密码” },

在Startup.cs文件中的ConfigureServices方法中注册EmailSernder

     services.AddDefaultIdentity<IdentityUser>(options => options.SignIn.RequireConfirmedAccount = true)
         .AddEntityFrameworkStores<ApplicationDbContext>();

     services.AddTransient<IMyEmailSender, MyEmailSender>();

services.AddDefaultIdentity（选项=>options.SignIn.RequireConfirmedAccount=true）
.AddEntityFrameworkStores。”）；

之后，您将收到如下电子邮件：

单击链接后，它将重定向到确认电子邮件页面，然后检查数据库，确认的电子邮件已更改为

True

参考：

     services.AddDefaultIdentity<IdentityUser>(options => options.SignIn.RequireConfirmedAccount = true)
         .AddEntityFrameworkStores<ApplicationDbContext>();

     services.AddTransient<IMyEmailSender, MyEmailSender>();

         var user = new IdentityUser { UserName = Input.Email, Email = Input.Email };
         var result = await _userManager.CreateAsync(user, Input.Password);
         if (result.Succeeded)
         {
             _logger.LogInformation("User created a new account with password.");

             var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
             code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code));
             var callbackUrl = Url.Page(
                 "/Account/ConfirmEmail",
                 pageHandler: null,
                 values: new { area = "Identity", userId = user.Id, code = code, returnUrl = returnUrl },
                 protocol: Request.Scheme);

                 _myEmailSender.SendEmail(Input.Email, "Confirm your Email", 
                 $"Please confirm your account by <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicking here</a>.");