增加获取所有API的接口

OpenAuth.WebApi/Controllers/SystemController.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Reflection;
+using System.Threading.Tasks;
+using Infrastructure;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.OpenApi.Readers;
+
+[ApiController]
+[Route("api/[controller]")]
+[ApiExplorerSettings(GroupName = "系统管理_System")]
+public class SystemController : ControllerBase
+{
+    private readonly IHttpClientFactory _httpClientFactory;
+    private readonly IConfiguration _configuration;
+
+    public SystemController(IHttpClientFactory httpClientFactory
+    , IConfiguration configuration)
+    {
+        _httpClientFactory = httpClientFactory;
+        _configuration = configuration;
+    }
+
+    /// <summary>
+    /// 获取所有API接口信息
+    /// </summary>
+    /// <returns></returns>
+    [HttpGet]
+    [AllowAnonymous]
+    public async Task<Response<List<SwaggerEndpointInfo>>> Get()
+    {
+        var result = new Response<List<SwaggerEndpointInfo>>();
+        try
+        {
+            var apis = await GetSwaggerEndpoints();
+
+            result.Result = apis;
+        }
+        catch (Exception ex)
+        {
+            result.Code = 500;
+            result.Message = ex.InnerException?.Message ?? ex.Message;
+        }
+
+        return result;
+    }
+
+    /// <summary>
+    /// 获取所有API接口信息
+    /// </summary>
+    private async Task<List<SwaggerEndpointInfo>> GetSwaggerEndpoints()
+    {
+        var reader = new OpenApiStringReader();
+        var client = _httpClientFactory.CreateClient();
+
+        var baseUrl = _configuration["AppSetting:HttpHost"]?.Replace("*", "localhost");
+        var apis = new List<SwaggerEndpointInfo>();
+        foreach (var controller in GetControllers())
+        {
+            var groupname = GetSwaggerGroupName(controller);
+
+            var swaggerJsonUrl = $"{baseUrl}/swagger/{groupname}/swagger.json";
+            var response = await client.GetAsync(swaggerJsonUrl);
+            var content = await response.Content.ReadAsStringAsync();
+            var document = reader.Read(content, out var diagnostic);
+            //获取所有api
+            apis.AddRange(document.Paths
+                .SelectMany(path => path.Value.Operations
+                    .Select(op => new SwaggerEndpointInfo(
+                        path.Key,
+                        op.Key.ToString(),
+                        op.Value.Summary,
+                        op.Value.Description,
+                        op.Value.Tags.FirstOrDefault()?.Name))));
+        }
+
+        return apis;
+    }
+
+    /// <summary>
+    /// 获取控制器对应的swagger分组值
+    /// </summary>
+    private string GetSwaggerGroupName(Type controller)
+    {
+        var groupname = controller.Name.Replace("Controller", "");
+        var apisetting = controller.GetCustomAttribute(typeof(ApiExplorerSettingsAttribute));
+        if (apisetting != null)
+        {
+            groupname = ((ApiExplorerSettingsAttribute)apisetting).GroupName;
+        }
+
+        return groupname;
+    }
+
+    /// <summary>
+    /// 获取所有的控制器
+    /// </summary>
+    private List<Type> GetControllers()
+    {
+        Assembly asm = Assembly.GetExecutingAssembly();
+
+        var controlleractionlist = asm.GetTypes()
+            .Where(type => typeof(ControllerBase).IsAssignableFrom(type))
+            .OrderBy(x => x.Name).ToList();
+        return controlleractionlist;
+    }
+
+    public record SwaggerEndpointInfo(
+    string Path,
+    string HttpMethod,
+    string Summary,
+    string Description,
+    string Tag);
+}

OpenAuth.WebApi/OpenAuth.WebApi.csproj

@@ -32,6 +32,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="3.1.2" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.2" />
     <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="3.1.0" />
+    <PackageReference Include="Microsoft.OpenApi.Readers" Version="1.6.23" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.0" />
     <PackageReference Include="MiniProfiler.AspNetCore" Version="4.2.22" />
     <PackageReference Include="MiniProfiler.AspNetCore.Mvc" Version="4.2.22" />