在 asp.net core 应用程序的调试窗口中显示 NLog 输出 [英] Show NLog output in debug window of asp.net core app

问题描述

是否可以在 Visual Studio 2017 调试窗口中显示 NLog(或内置调试器)正在记录的内容?

Is it possible to show what NLog (or builit-in debugger) is logging in the Visual Studio 2017 debug window?

我已将 NLog 设置为输出到文件，但对于开发而言，能够在调试窗口中查看调试消息会非常方便.我可以看到有关如何使用控制台执行此操作的文章，但对于 asp.net 项目，没有任何控制台输出，只有调试窗口.

I have NLog set to output to a file but for development it would be really handy to be able to see the debug messages in the debug window. I can see articles written on how to do this with console but for asp.net project there isn't any console output, just the debug window.

推荐答案

是的，对于 Asp.Net Core，有内置的记录器提供程序，例如 Console 和 Debug将日志写入输出窗口.

Yes, for Asp.Net Core, there are built-in logger providers like Console and Debug to write log to Output Window.

如果您使用 WebHost.CreateDefaultBuilder(args)，它将使用内置提供程序 Console 和 Debug，您可以检查通过 输出窗口-> Asp.NET Core Web 服务器 输出以获得干净的结果.

If you use WebHost.CreateDefaultBuilder(args), it will uses built-in providers Console and Debug, and you could check the output by Output window-> Asp.NET Core Web Server for a clean result.

对于 ASP 入门.NET Core 2 来自 NLog，它使用下面的代码清除所有其他日志提供程序.

For Getting started with ASP.NET Core 2 from NLog, it uses code below to clear all other log providers.

public static IWebHost BuildWebHost(string[] args) =>
WebHost.CreateDefaultBuilder(args)
    .UseStartup<Startup>()
    .ConfigureLogging(logging =>
    {
        logging.ClearProviders();
        logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
    })
    .UseNLog()  // NLog: setup NLog for Dependency injection
    .Build();

如果还需要登录Debug窗口，可以修改如下代码:

If you also need log in the Debug window, you could modify code like below:

        public static IWebHost BuildWebHost(string[] args) =>
        WebHost.CreateDefaultBuilder(args)
            .UseStartup<Startup>()
            .ConfigureLogging(logger => {
                logger.AddNLog();
                //logger.AddConsole(); //UnComment out this line if you did not use CreateDefaultBuilder
            })
            .Build();

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