增加Swagger枚举说明支持

Falcon.Extend/SwaggerGenOptionsExtend.cs

@@ -0,0 +1,22 @@
+using Microsoft.Extensions.DependencyInjection;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace Falcon.Extend
+{
+    /// <summary>
+    /// SwaggerGenOptions扩展
+    /// </summary>
+    public static class SwaggerGenOptionsExtend
+    {
+        /// <summary>
+        /// 增加xml文件枚举说明支持
+        /// </summary>
+        /// <param name="options">SwaggerGenOptions选项</param>
+        /// <param name="xmlPath">XML文件路径</param>
+        /// <returns>SwaggerGenOptions</returns>
+        public static SwaggerGenOptions AddXmlEnumEnable(this SwaggerGenOptions options,string xmlPath) {
+            options.DocumentFilter<SwaggerXmlEnumFilter>(xmlPath);
+            return options;
+        }
+    }
+}

Falcon.Extend/SwaggerXmlEnumFilter.cs

@@ -17,7 +17,10 @@ namespace Falcon.Extend
     {
         private readonly XPathNavigator _xmlNavigator;
 
-        public static List<Type> AllTypes { get; set; }
+        /// <summary>
+        /// 存放程序集中的所有枚举类型
+        /// </summary>
+        public static List<Type> AllTypes { get; set; } = null;
 
         /// <summary>
         /// 通过提供应用程序文档生成枚举说明
@@ -26,12 +29,18 @@ namespace Falcon.Extend
         public SwaggerXmlEnumFilter(string xmlPath) {
             _xmlNavigator = new XPathDocument(xmlPath).CreateNavigator();
 
-            if(AllTypes == null) {
-                AllTypes = new List<Type>();
+            AllTypes = AllTypes ?? GetEnumTypes();
+        }
+
+        /// <summary>
+        /// 初始化程序集中所有枚举类型
+        /// </summary>
+        public virtual List<Type> GetEnumTypes() {
+            var types = new List<Type>();
             foreach(var ass in AppDomain.CurrentDomain.GetAssemblies()) {
-                    AllTypes.AddRange(ass.GetTypes().Where(m => m.IsEnum));
-                }
+                types.AddRange(ass.GetTypes().Where(m => m.IsEnum));
             }
+            return types;
         }
 
         public void Apply(OpenApiDocument swaggerDoc,DocumentFilterContext context) {