️ chore(EntityFrameworkCore): 修复 PostgreSQL 时间戳兼容性问题，并添加缺失引用.

aspnet-core/templates/aio/content/host/PackageName.CompanyName.ProjectName.AIO.Host/MicroServiceApplicationsSingleModule.Configure.cs

@@ -82,6 +82,7 @@ using Volo.Abp.SettingManagement.Localization;
 using Volo.Abp.Threading;
 using Volo.Abp.UI.Navigation.Urls;
 using Volo.Abp.VirtualFileSystem;
+using PackageName.CompanyName.ProjectName.EntityFrameworkCore;
 using VoloAbpExceptionHandlingOptions = Volo.Abp.AspNetCore.ExceptionHandling.AbpExceptionHandlingOptions;
 
 namespace PackageName.CompanyName.ProjectName.AIO.Host;

aspnet-core/templates/aio/content/migrations/PackageName.CompanyName.ProjectName.AIO.EntityFrameworkCore.DatabaseManagementName/SingleMigrationsEntityFrameworkCoreDatabaseManagementNameModule.cs

@@ -60,7 +60,7 @@ public class SingleMigrationsEntityFrameworkCoreDatabaseManagementNameModule : A
             options.UseOracle();
             options.UseOracle<ProjectNameDbContext>();
 #elif PostgreSql
-            AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);//解决PostgreSql设置为utc时间后无法写入local时区的问题
+            System.AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);//解决PostgreSql设置为utc时间后无法写入local时区的问题
             options.UseNpgsql();
             options.UseNpgsql<ProjectNameDbContext>();
 #endif