Serilog 輸出到指令視窗和輸出到檔案的示範

Program.cs

using System;
using Serilog;

namespace RuyutSerilogExample 
{
    internal class Program
    {
        public static void Main(string[] args)
        {
            Log.Logger = new LoggerConfiguration()
                .MinimumLevel.Verbose() // 設定最低顯示層級   預設: Information
                .WriteTo.Console() // 輸出到 指令視窗
                .WriteTo.File("log-.log",
                    rollingInterval: RollingInterval.Day, // 每天一個檔案
                    outputTemplate: "{Timestamp:HH:mm:ss} [{Level:u5}] {Message:lj}{NewLine}{Exception}"
                ) // 輸出到檔案 檔名範例: log-20211005.log
                .CreateLogger();

            Log.Information("Init Ruyut");

            Log.Debug("debug");

            int i = 1;
            Log.Debug("i={i}", i);

            string s = "test string";
            Log.Debug("s={s}", s);

            try
            {
                throw new Exception("throw test exception");
            }
            catch (Exception e)
            {
                Log.Error("catch exception:{exception}", e);
            }

            Log.CloseAndFlush(); // 程式要結束前呼叫
        }
    }
}