C# .NET5 Startup介绍

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using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Hosting; using Microsoft.OpenApi.Models; using System; using System.IO; using System.Reflection;   namespace MEAS {     public class Startup     {         public Startup(IConfiguration configuration)         {             Configuration = configuration;         }           public IConfiguration Configuration { get; }           // This method gets called by the runtime. Use this method to add services to the container.         //解决有没有的问题--服务，配置服务         public void ConfigureServices(IServiceCollection services)         {               services.AddControllers();             services.AddSwaggerGen(c =>             {                 c.SwaggerDoc("v1", new OpenApiInfo { Title = "MEAS", Version = "v1" });                   var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.XML";                 var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);                 //... and tell Swagger to use those XML comments.                 c.IncludeXmlComments(xmlPath);             });             services.AddMvc().AddWebApiConventions();//解决返回值是HttpResponseMessage 自己的 json 序列化数据：               //services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Latest).AddJsonOptions(option =>             //{             //    //原样输出,默认会把首字母小写             //    option.JsonSerializerOptions.PropertyNamingPolicy = null;             //});           }           // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.         //解决需不需要的问题--请求处理--中间件，，有顺序要求         public void Configure(IApplicationBuilder app, IWebHostEnvironment env)         {             //env.IsProduction             if (env.IsDevelopment())             {                 app.UseDeveloperExceptionPage();                              }             app.UseSwagger();             app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "MEAS v1"));//发布之后的版本               //app.UseHttpsRedirection();   解决发布后warn: Microsoft.AspNetCore.HttpsPolicy.HttpsRedirectionMiddleware[3]             //Failed to determine the https port for redirect这个问题.             //分配路由             app.UseRouting();             //认证             app.UseAuthentication();             //授权             app.UseAuthorization();             //端点             app.UseEndpoints(endpoints =>             {                 //控制器路由                 endpoints.MapControllers();             });         }     } }