添加serilog日志支持和部分其他efcore代码

QRCodeService/Startup.cs

@@ -1,14 +1,21 @@
+using Infrastructure;
+using MediatR;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.OpenApi.Models;
+using Pomelo.EntityFrameworkCore.MySql;
+using Pomelo.EntityFrameworkCore.MySql.Infrastructure;
+using QRCodeService.Application.Behaviors;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Threading.Tasks;
 
 namespace QRCodeService
@@ -31,6 +38,25 @@ namespace QRCodeService
             {
                 c.SwaggerDoc("v1", new OpenApiInfo { Title = "QRCodeService", Version = "v1" });
             });
+            //MediatR
+            services.AddMediatR(Assembly.GetExecutingAssembly());
+            services.AddTransient(typeof(IPipelineBehavior<,>), typeof(LoggingBehavior<,>));
+            services.AddTransient(typeof(IPipelineBehavior<,>), typeof(ValidatorBehavior<,>));
+            services.AddTransient(typeof(IPipelineBehavior<,>), typeof(TransactionBehaviour<,>));
+
+            //EFCore
+            services.AddDbContextPool<AppDbContext>(
+                dbContextOptions => dbContextOptions
+                    .UseMySql(
+                        "server=localhost;user=root;password=root;database=qrcode",
+                        // For common usages, see pull request #1233.
+                        new MariaDbServerVersion(new Version(10, 5, 9)), // use MariaDbServerVersion for MariaDB
+                        mySqlOptions => mySqlOptions
+                            .CharSetBehavior(CharSetBehavior.NeverAppend))
+                    // Everything from this point on is optional but helps with debugging.
+                    .EnableSensitiveDataLogging()
+                    .EnableDetailedErrors()
+            );
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.