services.AddSwaggerGen(c =>
      {
        c.SwaggerDoc("v1", new Info
        {
          Version = "v1",
          Title = "TwBusManagement接口文档",
          Description = "RESTful API for TwBusManagement",
          TermsOfService = "None",
          Contact = new Contact { Name = "Alvin_Su", Email = "asdasdasd@outlook.com", Url = "" }
        });

        //Set the comments path for the swagger json and ui.
        var basePath = PlatformServices.Default.Application.ApplicationBasePath;
        var xmlPath = Path.Combine(basePath, "twbusapi.xml");
        c.IncludeXmlComments(xmlPath);

       // c.OperationFilter<HttpHeaderOperation>(); // 添加httpHeader参数
      });

 // Enable middleware to serve generated Swagger as a JSON endpoint.
      app.UseSwagger();

      // Enable middleware to serve swagger-ui (HTML, JS, CSS etc.), specifying the Swagger JSON endpoint.
      app.UseSwaggerUI(c =>
      {
        c.SwaggerEndpoint("/swagger/v1/swagger.json", "TwBusManagement API V1");
        c.ShowRequestHeaders();
      });

 public class HttpHeaderOperation : IOperationFilter
  {
    public void Apply(Operation operation, OperationFilterContext context)
    {
      if (operation.Parameters == null)
      {
        operation.Parameters = new List<IParameter>();
      }

      var actionAttrs = context.ApiDescription.ActionAttributes();

      var isAuthorized= actionAttrs.Any(a => a.GetType() == typeof(AuthorizeAttribute));

      if (isAuthorized == false) //提供action都没有权限特性标记，检查控制器有没有
      {
        var controllerAttrs= context.ApiDescription.ControllerAttributes();

        isAuthorized= controllerAttrs.Any(a => a.GetType() == typeof(AuthorizeAttribute));
      }

      var isAllowAnonymous = actionAttrs.Any(a => a.GetType() == typeof(AllowAnonymousAttribute));

      if (isAuthorized && isAllowAnonymous == false)
      {
        operation.Parameters.Add(new NonBodyParameter()
        {
          Name = "Authorization", //添加Authorization头部参数
          In = "header",
          Type = "string",
          Required = false
        });
      }
    }
  }

c.OperationFilter<HttpHeaderOperation>()

 services.AddSwaggerGen(c =>
      {
        c.SwaggerDoc("v1", new Info
        {
          Version = "v1",
          Title = "TwBusManagement接口文档",
          Description = "RESTful API for TwBusManagement",
          TermsOfService = "None",
          Contact = new Contact { Name = "Alvin_Su", Email = "alvin_su@outlook.com", Url = "" }
        });

        //Set the comments path for the swagger json and ui.
        var basePath = PlatformServices.Default.Application.ApplicationBasePath;
        var xmlPath = Path.Combine(basePath, "twbusapi.xml");
        c.IncludeXmlComments(xmlPath);

        c.OperationFilter<HttpHeaderOperation>(); // 添加httpHeader参数
      });