public static class AppBuilderExtensions{public static IApplicationBuilder RegisterConsul(this IApplicationBuilder app,IApplicationLifetime lifetime,ServiceEntity serviceEntity){var consulClient = new ConsulClient(x => x.Address = new Uri($"http://{serviceEntity.ConsulIP}:{serviceEntity.ConsulPort}"));//请求注册的Consul地址var httpCheck = new AgentServiceCheck(){DeregisterCriticalServiceAfter=TimeSpan.FromSeconds(5),//服务启动多久后注册Interval=TimeSpan.FromSeconds(10),//健康检查时间间隔，或者成为心跳间隔HTTP=$"http://{serviceEntity.IP}:{serviceEntity.Port}/api/health",//健康检查地址Timeout=TimeSpan.FromSeconds(5)};//Register service with consulvar registration = new AgentServiceRegistration(){Checks = new[] {httpCheck},ID=Guid.NewGuid().ToString(),Name=serviceEntity.ServiceName,Address=serviceEntity.IP,Port=serviceEntity.Port,Tags = new[] { $"urlprefix-/{serviceEntity.ServiceName}"} //添加urlprefix-/servicename格式的tag标签，以便Fabio识别
            };consulClient.Agent.ServiceRegister(registration).Wait();//服务启动时注册，内部实现其实就是使用Consul API进行注册（HttpClient发起)lifetime.ApplicationStopping.Register(() =>{consulClient.Agent.ServiceDeregister(registration.ID).Wait();//服务停止时取消注册
            });return app;}}public class ServiceEntity{public string IP { get; set; }public int Port { get; set; }public string ServiceName { get; set; }public string ConsulIP { get; set; }public int ConsulPort { get; set; }}

public void Configure(IApplicationBuilder app, IHostingEnvironment env, IApplicationLifetime lifetime){if (env.IsDevelopment()){app.UseDeveloperExceptionPage();}#region Consul 服务注册ServiceEntity serviceEntity = new ServiceEntity{IP = "127.0.0.1",   //服务运行地址Port = Convert.ToInt32(Configuration["Consul:ServicePort"]), //服务运行端口ServiceName = Configuration["Consul:Name"], //服务标识,Ocelot中会用到ConsulIP = Configuration["Consul:IP"], //Consul运行地址ConsulPort = Convert.ToInt32(Configuration["Consul:Port"])  //Consul运行端口（默认8500）
            };app.RegisterConsul(lifetime, serviceEntity);#endregionapp.UseIdentityServer();//app.UseAuthentication();
            app.UseStaticFiles();app.UseMvcWithDefaultRoute();}

{"Service": {"Name": "MI.Service","Port": "7001","DocName": "Account Service","Version": "v1","Title": "Account Service API"},"Identity": {"IP": "localhost","Port": "7000","Scheme": "Bearer"},"ConnectionStrings": {"SqlConnection": "server=.;uid=sa;pwd=sa;database=MI"},"Consul": {"Name": "MI.Service.Account","ServiceProt": "7001","IP": "localhost","Port": "8500"}
}

    [Route("api/Health")]public class HealthController : Controller{[HttpGet]public IActionResult Get() => Ok("ok");}

public class MiUserController : Controller{public MIContext _context;public MiUserController(MIContext _context){this._context = _context;}public string Index(){return "Successful";}。。。。。。
}

public void ConfigureServices(IServiceCollection services){//services.AddMvc();
            services.AddOcelot(Configuration).AddConsul();}// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.public void Configure(IApplicationBuilder app, IHostingEnvironment env){if (env.IsDevelopment()){app.UseDeveloperExceptionPage();}app.UseOcelot();//app.UseMvc();  }

{"ReRoutes": [{"UseServiceDiscovery": true, //启用服务发现"DownstreamPathTemplate": "/Account/{url}", //下游转发路由"DownstreamScheme": "http", //标识头"ServiceName": "MI.Service.Account", //服务注册标识"LoadBalancer": "RoundRobin", //服务均衡：轮询"UpstreamPathTemplate": "/Account/{url}", //上游请求路由"UpstreamHttpMethod": [ "Get", "Post" ], //请求的方法类型"ReRoutesCaseSensitive": false //不区分大小写
    },{"UseServiceDiscovery": true,"DownstreamPathTemplate": "/Identity/{url}","DownstreamScheme": "http","ServiceName": "MI.Service.IdentityServer","LoadBalancer": "RoundRobin","UpstreamPathTemplate": "/Identity/{url}","UpstreamHttpMethod": [ "Get", "Post" ],"ReRoutesCaseSensitive": false}],"GlobalConfiguration": {//"BaseUrl": "http://localhost:7003","ServiceDiscoveryProvider": {"Host": "127.0.0.1", // Consul Service IP"Port": 8500, // Consul Service Port"Type": "PollConsul","PollingInterval": 100 //健康检查时间端
    }}
}

        public static IWebHost BuildWebHost(string[] args) =>WebHost.CreateDefaultBuilder(args).UseStartup<Startup>().ConfigureAppConfiguration((hostingContext,builder)=> {builder.AddJsonFile("consul.json");}).Build();