如何添加ILogger发送邮件服务？

Question

我有一个 Blazor 项目并使用 MailKit 发送电子邮件。

我想将 Logger 添加到电子邮件服务中。

即Startup.ConfigureServices

//...
services.AddSingleton<IEmailConfiguration>(Configuration.GetSection("EmailConfiguration").Get<EmailConfiguration>());
//...
services.AddTransient<IEmailSender, EmailSender>();
//...

即EmailSender服务：

public class EmailSender : IEmailSender
{
    private readonly IEmailConfiguration _emailConfiguration;
    //private readonly ILogger<WHATModel> _logger; //<------------?

    public EmailSender(IEmailConfiguration emailConfiguration)
    {
        _emailConfiguration = emailConfiguration;
    }

    public Task SendEmailAsync(string recipientEmail, string subject, string message)
    {

//....

所以，我可以将 EmailConfiguration 传递给服务，但是如何传递 ILogger？

需要一些模型

private readonly ILogger<WHATModel> _logger; //<------------?

我应该通过什么模型？

Answer 1

模型通常是被注入的类型，并充当识别和分组记录信息的类别。 ILogger<TCategoryName>

When an ILogger object is created, a category is specified for it. That category is included with each log message created by that instance of ILogger. The category may be any string, but the convention is to use the class name, such as "TodoApi.Controllers.TodoController".

引用Logging in .NET Core and ASP.NET Core: Log category

将其作为显式依赖包含在构造函数中，以便它也可以被注入

public class EmailSender : IEmailSender {
    private readonly IEmailConfiguration emailConfiguration;
    private readonly ILogger<EmailSender> logger;

    public EmailSender(IEmailConfiguration emailConfiguration, ILogger<EmailSender> logger) {
        this.emailConfiguration = emailConfiguration;
        this.logger = logger;
    }

    public Task SendEmailAsync(string recipientEmail, string subject, string message) {
        //...
    }

    //...
}

容器会在解析时解析并注入依赖到发送方

如何添加ILogger发送邮件服务？

How to add ILogger to send email service?

c#

logging

asp.net-core

blazor

asp.net-core-logging