Install-Package Swashbuckle.AspNetCore //控制台

Microsoft.Extensions.PlatformAbstractions //包管理，用来获取xml根目录

 public void ConfigureServices(IServiceCollection services)

        {

            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);

            services.AddSwaggerGen(c =>

            {

                //var basePath = Path.GetDirectoryName(typeof(Program).Assembly.Location);//获取应用程序所在目录（绝对，不受工作目录影响，建议采用此方法获取路径）

                //var xmlPath = Path.Combine(basePath, "swaggerApi.xml");

                //c.IncludeXmlComments(xmlPath);

                c.SwaggerDoc("v1", new Info

                {

                    Version = "v1",

                    Title = "测试接口",

                    Description = "一个测试接口",

                    TermsOfService = "None",

                    Contact = new Contact

                    {

                        Name = "Shayne Boyer",

                        Email = string.Empty,

                        Url = "https://twitter.com/spboyer"

                    },

                    License = new License

                    {

                        Name = "Use under LICX",

                        Url = "https://example.com/license"

                    }

                });

            });

            services.ConfigureSwaggerGen(c =>

            {

                c.IncludeXmlComments(GetXmlSwaggerCommentsFilePath());

            });

        }

        private string GetXmlSwaggerCommentsFilePath()

        {

            var app = PlatformServices.Default.Application;

            return Path.Combine(app.ApplicationBasePath, Path.ChangeExtension(app.ApplicationName, "xml"));

        }

<PropertyGroup>

    <GenerateDocumentationFile>true</GenerateDocumentationFile>

    <NoWarn>$(NoWarn);</NoWarn>

  </PropertyGroup>

  <PropertyGroup>

    <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>

    <NoWarn>;;;</NoWarn>

  </PropertyGroup>