public void ConfigureServices(IServiceCollection services)

      {

            services.AddControllers();

            services.AddRazorPages();

            #region Swagger配置

            services.AddSwaggerGen(c =>

            {

                c.SwaggerDoc("v1", new Microsoft.OpenApi.Models.OpenApiInfo { Title = "My API", Version = "v1" }); c.ResolveConflictingActions(apiDescriptions => apiDescriptions.First()); }); 

           #endregion 
           services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Latest); 
      }

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
   {
       if (env.IsDevelopment())
       {
          app.UseDeveloperExceptionPage();
       }

app.UseRouting();
      app.UseStaticFiles();//启动静态文件
      app.UseAuthorization();

#region session配置
       app.UseSession();
      #endregion

#region Swagger配置
       //启用中间件服务生成Swagger作为JSON终结点
       app.UseSwagger();
      //启用中间件服务对swagger-ui，指定Swagger JSON终结点
      app.UseSwaggerUI(c =>
      {
        c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
      });
     #endregion

app.UseEndpoints(endpoints =>
     {
      endpoints.MapControllers();
      endpoints.MapAreaControllerRoute(
      name: "areas", "Admin",
      pattern: "{area:exists}/{controller=Users}/{action=Index}/{id?}");
      endpoints.MapRazorPages();
     });

}