[英]Map ILogger to Serilog's Logger after ASP.NET Core 2 logging update
来自@nblumhardt的帖子 :
然后你可以继续删除任何其他记录器配置:appsettings.json中不需要“Logging”部分,任何地方都不需要AddLogging(),也不需要通过Startup.cs中的ILoggerFactory进行配置。
我在using Serilog;
时遇到异常using Serilog;
和ILogger
在我的控制器中。
private readonly ILogger _logger;
public CustomersController(ILogger logger)
{
_logger = logger;
}
结果是:
处理请求时发生未处理的异常。
InvalidOperationException:尝试激活“Customers.Api.Controllers.CustomersController”时无法解析类型“Serilog.ILogger”的服务。
我还需要在Startup.ConfigureServices()
方法中向DI提供一些信息吗?
据我所知,我的课程课程遵循帖子中的说明。
public class Program
{
public static void Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.MinimumLevel.Debug()
.MinimumLevel.Override("Microsoft", LogEventLevel.Information)
.Enrich.FromLogContext()
.WriteTo.Console()
.CreateLogger();
BuildWebHost(args).Run();
}
public static IWebHost BuildWebHost(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.UseStartup<Startup>()
.UseSerilog()
.Build();
}
将期望类型从ILogger logger
更改为ILogger<CustomersController>
logger:
private readonly ILogger _logger;
public CustomersController(ILogger<CustomersController> logger)
{
_logger = logger;
}
如果您仍希望使用Serilog自己的ILogger
而不是ASP.NET Core的ILogger<T>
,另一种方法是使用您的IoC容器注册Serilog记录器。
有一个Autofac的集成,可以在https://github.com/nblumhardt/autofac-serilog-integration上执行此操作,其他容器也可能有集成包。
您可以按照以下代码使用。
//using Microsoft.Extensions.Logging;
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseMvc();
//Logger for File
loggerFactory.AddFile("FilePath/FileName-{Date}.txt");
}
}
//Add following code into Controller:
private readonly ILogger<ControllerName> _log;
public ControllerConstructor(ILogger<ControllerName>logger)
{
_log = logger;
}
[HttpGet]
public ActionResult GetExample()
{
try
{
//TODO:Log Informationenter code here
_log.LogInformatio("LogInformation");
}
catch (Exception exception)
{
//TODO: Log Exception
_log.LogError(exception, exception.Message + "\n\n");
}
return view("viewName");
}
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