feat: swagger.json加载添加缓存处理

aspnet-core/shared/Lion.AbpPro.Shared.Hosting.Microservices/GlobalUsings.cs

@@ -1,6 +1,7 @@
 // Global using directives
 
 global using System;
+global using System.Collections.Concurrent;
 global using System.Collections.Generic;
 global using System.Linq;
 global using System.Net;
@@ -29,6 +30,7 @@ global using Microsoft.OpenApi.Models;
 global using Serilog;
 global using Serilog.Exceptions;
 global using Serilog.Sinks.Elasticsearch;
+global using Swashbuckle.AspNetCore.Swagger;
 global using Swashbuckle.AspNetCore.SwaggerGen;
 global using Volo.Abp;
 global using Volo.Abp.AspNetCore.ExceptionHandling;

aspnet-core/shared/Lion.AbpPro.Shared.Hosting.Microservices/Swagger/CachingSwaggerProvider.cs

@@ -0,0 +1,26 @@
+namespace Swagger;
+
+/// <summary>
+/// swagger注释加载慢，把文档添加到缓存
+/// </summary>
+[Dependency(ReplaceServices = true)]
+[ExposeServices(typeof(ISwaggerProvider))]
+public class CachingSwaggerProvider : ISwaggerProvider, ITransientDependency
+{
+    private static readonly ConcurrentDictionary<string, OpenApiDocument> _cache = new ConcurrentDictionary<string, OpenApiDocument>();
+
+    private readonly SwaggerGenerator _swaggerGenerator;
+
+    public CachingSwaggerProvider(
+        IOptions<SwaggerGeneratorOptions> optionsAccessor,
+        IApiDescriptionGroupCollectionProvider apiDescriptionsProvider,
+        ISchemaGenerator schemaGenerator)
+    {
+        _swaggerGenerator = new SwaggerGenerator(optionsAccessor.Value, apiDescriptionsProvider, schemaGenerator);
+    }
+
+    public OpenApiDocument GetSwagger(string documentName, string host = null, string basePath = null)
+    {
+        return _cache.GetOrAdd(documentName, (_) => _swaggerGenerator.GetSwagger(documentName, host, basePath));
+    }
+}