添加serilog日志支持和部分其他efcore代码

QRCodeService/Program.cs

@@ -1,26 +1,36 @@
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
+using Serilog;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
+using System.IO;
 
 namespace QRCodeService
 {
     public class Program
     {
-        public static void Main(string[] args)
-        {
-            CreateHostBuilder(args).Build().Run();
-        }
+        public static IConfiguration Configuration { get; } = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory())
+            .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
+            .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", optional: true)
+            .AddJsonFile($"appsettings.{Environment.MachineName}.json", optional: true)
+            .AddEnvironmentVariables()
+            .Build();
 
         public static IHostBuilder CreateHostBuilder(string[] args) =>
             Host.CreateDefaultBuilder(args)
+                .UseSerilog()
                 .ConfigureWebHostDefaults(webBuilder =>
                 {
                     webBuilder.UseStartup<Startup>();
                 });
+
+        public static void Main(string[] args)
+        {
+            Log.Logger = new LoggerConfiguration()
+                .ReadFrom.Configuration(Configuration)
+                .CreateLogger();
+
+            CreateHostBuilder(args).Build().Run();
+        }
     }
-}
+}