程式小試身手

use NLog.Web.AspNetCore package

nlog.config
internal-nlog.txt

using IServices.ITest;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using MODEL.MCommon;
using System;
using TestAPI.HelperTool;
using System.IO;
using System.Drawing;
using System.Threading.Tasks;
using OtpNet;
using Newtonsoft.Json.Linq;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Authorization;

namespace TestAPI.Controllers.Test
{
    /// <summary>
    /// 
    /// </summary>
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class ExampleController : ControllerBase
    {
        /// <summary>
        /// 
        /// </summary>
        public IExampleService _exampleService;
        /// <summary>
        /// 
        /// </summary>
        public IConfiguration _configuration;
        /// <summary>
        /// 
        /// </summary>
        private readonly ILogger<ExampleController> _logger;
        public ExampleController(IExampleService example, ILogger<ExampleController> logger, IConfiguration configuration)
        {
            _exampleService= example;
            _configuration = configuration;
            _logger = logger;

        }
        
        /// <summary>
        /// Test
        /// </summary>
        /// <param name="a"></param>
        /// <param name="b"></param>
        /// <returns></returns>
        [Authorize]
        [HttpGet]
        [EnableCors("any")]
        public ReturnMessageModel FncT(string a, string b)
        {
            ReturnMessageModel returnmessagemodel = new ReturnMessageModel();
            try
            {
                returnmessagemodel = _exampleService.FncT(a, b);
                return returnmessagemodel;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex.ToString());
                returnmessagemodel.Status = "Fail";
                returnmessagemodel.Message = "失敗";
                returnmessagemodel.Data = null;
                return returnmessagemodel;
            }
        }

    }
}

Program.cs

        /// <summary>
        /// 
        /// </summary>
        /// <param name="args"></param>
        public static void Main(string[] args)
        {
            var logger = NLog.Web.NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger();
            try
            {
                CreateWebHostBuilder(args).Build().Run();
            }
            catch (Exception ex)
            {
                //NLog: catch setup errors
                logger.Error(ex, "Stopped program because of exception");
                throw;
            }
            finally
            {
                // Ensure to flush and stop internal timers/threads before application-exit (Avoid segmentation fault on Linux)
                NLog.LogManager.Shutdown();
            }
        }

appsetting.json

{
  "Logging": {
    "LogLevel": {
      "Default": "Warning"
    }
  }
}