public class Startup    {        public IConfigurationRoot Configuration { get; }        public static ConnectionMultiplexer Redis;        public Startup(IHostingEnvironment env)        {            var builder = new ConfigurationBuilder()                            .SetBasePath(env.ContentRootPath)                            .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)                            .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)                            .AddEnvironmentVariables();            Configuration = builder.Build();            Redis = ConnectionMultiplexer.Connect(Configuration.GetConnectionString("Redis"));        }        // This method gets called by the runtime. Use this method to add services to the container.        public void ConfigureServices(IServiceCollection services)        {            services.AddOptions();            //自定义配置            services.Configure<DbSetting>(Configuration.GetSection("ConnectionStrings"));            //返回大小写问题            services.AddMvc()                    .AddJsonOptions(op => op.SerializerSettings.ContractResolver = new Newtonsoft.Json.Serialization.DefaultContractResolver());            //注入Hangfire服务            services.AddHangfire(config => config.UseRedisStorage(Redis));          }        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)        {            loggerFactory.AddConsole(Configuration.GetSection("Logging"));            loggerFactory.AddDebug();            if (env.IsDevelopment())            {                app.UseDeveloperExceptionPage();                app.UseBrowserLink();            }            else            {                app.UseExceptionHandler("/Home/Error");            }            app.UseStaticFiles();                        app.UseHangfireServer();            app.UseHangfireDashboard();            app.UseMvc(routes =>            {                routes.MapRoute(                    name: "default",                    template: "{controller=Hq}/{action=Index}/{id?}");            });        }    }