## v0.3.19

- 兼容 GetTableByEntity 有可能因为传入数组类型的错误；
- 修复 UnitOfWork 事务创建逻辑 bug；
- 增加 FreeSql.DbContext 扩展包；
- 调整 UnitOfWork、DbContext 不提交时默认会回滚；

Examples/dbcontext_01/Startup.cs

@@ -0,0 +1,68 @@
+using FreeSql;
+using FreeSql.DataAnnotations;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Swashbuckle.AspNetCore.Swagger;
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+
+namespace dbcontext_01
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration, ILoggerFactory loggerFactory)
+        {
+            Configuration = configuration;
+
+			Fsql = new FreeSql.FreeSqlBuilder()
+				.UseConnectionString(FreeSql.DataType.Sqlite, @"Data Source=|DataDirectory|\document.db;Pooling=true;Max Pool Size=10")
+				.UseLogger(loggerFactory.CreateLogger<IFreeSql>())
+				.UseAutoSyncStructure(true)
+				.UseLazyLoading(true)
+
+				.UseMonitorCommand(cmd => Trace.WriteLine(cmd.CommandText))
+				.Build();
+		}
+
+        public IConfiguration Configuration { get; }
+		public static IFreeSql Fsql { get; private set; }
+		
+		public void ConfigureServices(IServiceCollection services)
+        {
+			services.AddMvc();
+			services.AddSwaggerGen(options => {
+				options.SwaggerDoc("v1", new Info {
+					Version = "v1",
+					Title = "FreeSql.DbContext API"
+				});
+				//options.IncludeXmlComments(xmlPath);
+			});
+
+			services.AddSingleton<IFreeSql>(Fsql);
+			services.AddFreeDbContext<SongContext>(options => options.UseFreeSql(Fsql));
+		}
+
+		public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory) {
+			Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+			Console.OutputEncoding = Encoding.GetEncoding("GB2312");
+			Console.InputEncoding = Encoding.GetEncoding("GB2312");
+
+			loggerFactory.AddConsole(Configuration.GetSection("Logging"));
+			loggerFactory.AddDebug();
+
+			app.UseHttpMethodOverride(new HttpMethodOverrideOptions { FormFieldName = "X-Http-Method-Override" });
+			app.UseDeveloperExceptionPage();
+			app.UseMvc();
+
+			app.UseSwagger();
+			app.UseSwaggerUI(c => {
+				c.SwaggerEndpoint("/swagger/v1/swagger.json", "FreeSql.RESTful API V1");
+			});
+		}
+	}
+}