ASP.NET Core 添加日志NLog

1.在Nuget上搜索 NLog.Extensions.Logging 安装最新版

2.添加日志配置文件，在项目指定目录下添加配置文件nlog.config，内容添加如下：

<?xml version="1.0" encoding="utf-8" ?>


  
  
    
    

   
    

    
  

  
    
    

    
    
    
  

3.将nlog.config添加到project.json配置文件中(若配置文件在指定config目录下，可以添加config/*.config)

  "publishOptions": {
        "include": [
            "wwwroot",
            "Views",
            "appsettings.json",
            "web.config",
            "nlog.config"
        ]
    },

4.在startup.cs文件Configure中添加

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddNLog();
env.ConfigureNLog("nlog.config");
…………

5.记录日志方法

(1) public class HomeController : Controller
    {
        private static Logger Logger = LogManager.GetCurrentClassLogger();
        public IActionResult Index()
        {
            Logger.Info("Index page says hello");
            return View();
        }
    …………


(2) public abstract class BaseController : Controller
    {
     protected ILogger Logger { get; set; }

    public BaseController(ILogger logger, IOptions appConfig)
   {
      this.Logger = logger;
   }
…………

参考：https://github.com/NLog/NLog.Extensions.Logging