public class AuthorityDbContext : AbpZeroDbContext<Tenant, Role, User, AuthorityDbContext> {
        /* Define a DbSet for each entity of the application */
 
        public DbSet<UserMapping> UserMappings { get; set; }
 
        public SunlightDbContext(DbContextOptions<SunlightDbContext> options)
            : base(options) {
        }
 
        protected override void OnModelCreating(ModelBuilder modelBuilder) {
            base.OnModelCreating(modelBuilder);
            modelBuilder.ApplyConfiguration(new TenantConfiguration());
 
            // 請(qǐng)?jiān)诖颂幪顚懰信c具體數(shù)據(jù)庫無關(guān)的 Model 調(diào)整，確保單元測試可以覆蓋
 
            if (Database.IsInMemory())
                return;           
        }
        
    }

/// <summary>
   /// 用于 EF Core Migration 時(shí)創(chuàng)建 DbContext，數(shù)據(jù)庫連接信息來自 XXX.Dcs.WebHost 項(xiàng)目 appsettings.json
   /// </summary>
   public class AuthorityDesignTimeDbContextFactory : IDesignTimeDbContextFactory<AuthorityDbContext> {
       private const string DefaultConnectionStringName = "Default";
 
       public SunlightDbContext CreateDbContext(string[] args) {
           var configuration = AppConfigurations.Get(WebContentDirectoryFinder.CalculateContentRootFolder());
           var connectString = configuration.GetConnectionString(DefaultConnectionStringName);
 
           var builder = new DbContextOptionsBuilder<SunlightDbContext>();
           builder.UseSqlServer(connectString);
           return new SunlightDbContext(builder.Options);
       }
   }

{
  "ConnectionStrings": {
    "Default": "Server=XXXX,XX;Database=XXXX;User Id=XXXX;Password=XXXX;",
    "DcsEntity": "Server=XXXX,XX;Database=XXXX;User Id=XXXX;Password=XXXX;"
  },
  "Redis": {
    "Configuration": "127.0.0.1:XXXX",
    "InstanceName": "XXXX-Sales"
  },
  "App": {
    "ServerRootAddress": "http://localhost:XXXX/",
    "ClientRootAddress": "http://localhost:XXXX/",
    "CorsOrigins": "http://localhost:XX,http://localhost:XX,http://localhost:XX"
  },
  "Kafka": {
    "BootstrapServers": "127.0.0.1:XX",
    "MessageTimeoutMs": 5000,
    "Topics": {
      "CustomerAndVehicleEvent": "XXXX-customer-update",
      "AddOrUpdateProductCategoryEvent": "XXXX-add-update-product-category",
      "AddOrUpdateDealerEvent": "XXXX-add-update-dealer",
      "ProductUpdateEvent": "XXXX-product-update",
      "VehicleInformationUpdateStatusEvent": "XXXX-add-update-vehicle-info",
      "AddCustomerEvent": "cowin-add-customer"
    }
  },
  "Application": {
    "Name": "XXXX-sales"
  },
  "AppSettings": {
    "ProductSyncPeriodMi": 60,
    "DealerSyncPeriodMi": 60
  },
  "Eai": {
    "Authentication": {
      "Username": "2XXX2",
      "Password": "XXXX"
    },
    "Services": {
      "SapFinancial": "http://XXXX:XXXX/OSB_MNGT/Proxy/XXXX"
    }
  },
  "DependencyServices": {
    "BlobStorage": "http://XXXX-XXXX/"
  },
  "Authentication": {
    "JwtBearer": {
      "IsEnabled": true,
      "Authority": "http://XXXX/",
      "RequireHttpsMetadata": false
    }
  },
  "Sentry": {
    "IncludeRequestPayload": true,
    "SendDefaultPii": true,
    "MinimumBreadcrumbLevel": "Debug",
    "MinimumEventLevel": "Warning",
    "AttachStackTrace": true
  },
  "Logging": {
    "LogLevel": {
      "Default": "Warning"
    }
  }
}

// 初始化 EF Core DbContext
            var abpConnectionString = _appConfiguration.GetConnectionString("Default");
            services.AddDbContext<SunlightDbContext>(options => {
                options.UseSqlServer(abpConnectionString);
                if (Environment.IsDevelopment()) {
                    options.EnableSensitiveDataLogging();
                    // https://docs.microsoft.com/en-us/ef/core/querying/client-eval#optional-behavior-throw-an-exception-for-client-evaluation
                    options.ConfigureWarnings(warnings => warnings.Throw(RelationalEventId.QueryClientEvaluationWarning));
                }
            });
            // AuthConfigurer.MapUserIdentity 需使用 DbContextOptions<SunlightDbContext>
            // Abp DI 未自動(dòng)注冊(cè)該對(duì)象，故而特別處理
            services.AddTransient(provider => {
                var builder = new DbContextOptionsBuilder<SunlightDbContext>();
                builder.UseSqlServer(abpConnectionString);
                return builder.Options;
            });
            var dcsConnectionString = _appConfiguration.GetConnectionString("DcsEntity");
            services.AddDbContext<DcsDbContext>(options => {
                options.UseSqlServer(dcsConnectionString);
                if (Environment.IsDevelopment()) {
                    options.EnableSensitiveDataLogging();
                    // https://docs.microsoft.com/en-us/ef/core/querying/client-eval#optional-behavior-throw-an-exception-for-client-evaluation
                    options.ConfigureWarnings(warnings => warnings.Throw(RelationalEventId.QueryClientEvaluationWarning));
                }
            });