NetCore configuring Swagger detailed code

1. Add Nuget

install-package  -project XXX -version 6.4.0

2. Add static class extension method

2.1. Generate project xml: select project / right click / properties / generate / output / select xml document file

2.2.system_v1: It must be unique and does not repeat, and [("system_v1"] must be consistent with [("/swagger/system_v1/], otherwise it will be abnormal [Failed to load API definition; Fetch error: response status is 404 /swagger/system_v1/]

/// &lt;summary&gt;
    /// Swagger static class    /// &lt;/summary&gt;
    public static class SwaggerExtend
    {
        /// &lt;summary&gt;
        /// Add service: swagger        /// &lt;/summary&gt;
        /// &lt;param name="services"&gt;&lt;/param&gt;
        /// &lt;returns&gt;&lt;/returns&gt;
        public static void AddCustSwagger(this IServiceCollection services)
        {
            var version = "V1.0";
            var apiName = "XXX System";
            (options =&gt;
            {
                (apiDescriptions =&gt; ());

                ("system_v1", new OpenApiInfo
                {
                    Version = version,
                    Title = $"{apiName} API",
                    Description = $"{apiName} {version} Interface Service"
                });

                // Get the directory where the application is located                var basePath = (typeof(SwaggerExtend).);
                var xmlPath = (basePath, "");
                // Swagger interface only displays method & field comments, not controller comments                // The second parameter is true, which is the controller's comment                //(xmlPath);
                (xmlPath, true);
            });
        }

        /// &lt;summary&gt;
        /// Add middleware: swagger        /// &lt;/summary&gt;
        /// &lt;param name="app"&gt;&lt;/param&gt;
        public static void UseCustSwagger(this IApplicationBuilder app)
        {
            ();
            (options =&gt;
            {
                ("/swagger/system_v1/", "System API");
                // The default path is: /swagger/                //Route prefix - Set to empty to jump directly to the swagger page:/                // Api test can be set to empty, it is easy to conflict with front-end routing during deployment                 = ;
            });
        }
    }

Register the service, add middleware

public void ConfigureServices(IServiceCollection services)
        {
            ();
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            ();
        }

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