sharding/samples/Sample.SqlServer/Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Query;
using Microsoft.EntityFrameworkCore.SqlServer.Query.Internal;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Sample.SqlServer.DbContexts;
using Sample.SqlServer.Shardings;
using ShardingCore;

namespace Sample.SqlServer
{
    public class Startup
    {
        public static readonly ILoggerFactory efLogger = LoggerFactory.Create(builder =>
        {
            builder.AddFilter((category, level) => category == DbLoggerCategory.Database.Command.Name && level == LogLevel.Information).AddConsole();
        });
        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();
            //services.AddDbContext<DefaultTableDbContext>(o => o.UseSqlServer("Data Source=localhost;Initial Catalog=ShardingCoreDBxx3;Integrated Security=True"));


            services.AddShardingDbContext<DefaultShardingDbContext, DefaultTableDbContext>(
                o => o.UseSqlServer("Data Source=localhost;Initial Catalog=ShardingCoreDB;Integrated Security=True;")
                , op =>
                 {
                     op.EnsureCreatedWithOutShardingTable = false;
                     op.CreateShardingTableOnStart = false;
                     op.UseShardingOptionsBuilder(
                         (connection, builder) => builder.UseSqlServer(connection).UseLoggerFactory(efLogger),//使用dbconnection创建dbcontext支持事务
                         (conStr,builder) => builder.UseSqlServer(conStr).UseLoggerFactory(efLogger)
                             //.ReplaceService<IQueryTranslationPostprocessorFactory,SqlServer2008QueryTranslationPostprocessorFactory>()//支持sqlserver2008r2
                             );//使用链接字符串创建dbcontext
                     op.AddShardingTableRoute<SysUserModVirtualTableRoute>();
                 });

            ////不支持MARS不支持追踪的
            //services.AddShardingDbContext<DefaultShardingDbContext, DefaultTableDbContext>(o => o.UseSqlServer("Data Source=localhost;Initial Catalog=ShardingCoreDBxx2;Integrated Security=True;")
            //    , op =>
            //    {
            //        op.EnsureCreatedWithOutShardingTable = true;
            //        op.CreateShardingTableOnStart = true;
            //        //不支持mars额外加一条字符串的
            //        op.UseShardingOptionsBuilder(
            //            (connection, builder) => builder.UseSqlServer(connection).UseLoggerFactory(efLogger),
            //            (connString, builder) => builder.UseSqlServer(connString).UseLoggerFactory(efLogger));

            //        op.AddShardingTableRoute<SysUserModVirtualTableRoute>();
            //    });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.UseShardingCore();

            app.UseRouting();

            app.UseEndpoints(endpoints => { endpoints.MapControllers(); });
            app.DbSeed();
        }
    }
}