C# ASP.NET Core Serilog 添加类名和方法进行日志记录

使用Serilog库可以很方便地在C# ASP.NET Core应用程序中进行日志记录。Serilog提供了一种简单而强大的方式来捕获应用程序的运行时信息，以便于调试、故障排除和性能优化。本文将介绍如何使用Serilog来添加类名和方法进行日志记录，并提供一个使用Serilog的实际案例。

csharp
Install-Package Serilog
Install-Package Serilog.Enrichers.Environment
Install-Package Serilog.Enrichers.Thread
Install-Package Serilog.Enrichers.Process
Install-Package Serilog.Enrichers.Assembly

csharp
public static IHostBuilder CreateHostBuilder(string[] args) =>
    Host.CreateDefaultBuilder(args)
        .ConfigureWebHostDefaults(webBuilder =>
        {
            webBuilder.UseStartup();
        })
        .UseSerilog((hostingContext, loggerConfiguration) =>
        {
            loggerConfiguration
                .ReadFrom.Configuration(hostingContext.Configuration)
                .Enrich.FromLogContext()
                .Enrich.WithMachineName()
                .Enrich.WithProcessId()
                .Enrich.WithThreadId()
                .Enrich.WithAssemblyName();
        });

csharp
public class HomeController : Controller
{
    private readonly ILogger _logger;
    public HomeController(ILogger logger)
    {
        _logger = logger;
    }
    public IActionResult Index()
    {
        var logger = _logger.ForContext().ForContext("Method", nameof(Index));
        logger.LogInformation("Index page visited");
        return View();
    }
}

csharp
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Serilog;
namespace SerilogDemo
{
    public class Program
    {
        public static void Main(string[] args)
        {
            Log.Logger = new LoggerConfiguration()
                .Enrich.FromLogContext()
                .Enrich.WithMachineName()
                .Enrich.WithProcessId()
                .Enrich.WithThreadId()
                .Enrich.WithAssemblyName()
                .WriteTo.Console()
                .CreateLogger();
            try
            {
                Log.Information("Starting web host");
                CreateHostBuilder(args).Build().Run();
            }
            catch (System.Exception ex)
            {
                Log.Fatal(ex, "Host terminated unexpectedly");
            }
            finally
            {
                Log.CloseAndFlush();
            }
        }
        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup();
                })
                .UseSerilog();
    }
}

csharp
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
namespace SerilogDemo.Controllers
{
    public class HomeController : Controller
    {
        private readonly ILogger _logger;
        public HomeController(ILogger logger)
        {
            _logger = logger;
        }
        public IActionResult Index()
        {
            var logger = _logger.ForContext().ForContext("Method", nameof(Index));
            logger.LogInformation("Index page visited");
            return View();
        }
    }
}