API文档自动生成，Swagger的配置

 1 using System.Web.Http;
 2 using WebActivatorEx;
 3 using Demo.API;
 4 using Swashbuckle.Application;
 5 using Swashbuckle.Swagger;
 6 using System;
 7 using System.Collections.Concurrent;
 8 using System.Collections.Generic;
 9 using System.Xml;
10 using System.IO;
11 
12 [assembly: PreApplicationStartMethod(typeof(SwaggerConfig), "Register")]
13 
14 namespace Demo.API
15 {
16     public class SwaggerConfig
17     {
18         public static void Register()
19         {
20             var thisAssembly = typeof(SwaggerConfig).Assembly;
21 
22             GlobalConfiguration.Configuration
23                .EnableSwagger(c =>
24                {
25                    c.SingleApiVersion("v1", "Demo.API");
26                    c.IncludeXmlComments(System.AppDomain.CurrentDomain.BaseDirectory + "/bin/Demo.API.XML");
27                    c.CustomProvider((defaultProvider) => new CachingSwaggerProvider(defaultProvider));
28                })
29                .EnableSwaggerUi(c =>
30                {
31                    //路径规则，项目命名空间.文件夹名称.js文件名称
32                    c.InjectJavaScript(thisAssembly, "Demo.API.Scripts.swagger.js");
33                });
34         }
35     }
36 
37     public class CachingSwaggerProvider : ISwaggerProvider
38     {
39         private static ConcurrentDictionary<string, SwaggerDocument> _cache =
40                  new ConcurrentDictionary<string, SwaggerDocument>();
41 
42         private readonly ISwaggerProvider _swaggerProvider;
43 
44         public CachingSwaggerProvider(ISwaggerProvider swaggerProvider)
45         {
46             _swaggerProvider = swaggerProvider;
47         }
48 
49         public SwaggerDocument GetSwagger(string rootUrl, string apiVersion)
50         {
51             var cacheKey = string.Format("{0}_{1}", rootUrl, apiVersion);
52             SwaggerDocument srcDoc = null;
53             //只读取一次
54             if (!_cache.TryGetValue(cacheKey, out srcDoc))
55             {
56                 srcDoc = _swaggerProvider.GetSwagger(rootUrl, apiVersion);
57 
58                 srcDoc.vendorExtensions = new Dictionary<string, object> { { "ControllerDesc", GetControllerDesc() } };
59                 _cache.TryAdd(cacheKey, srcDoc);
60             }
61             return srcDoc;
62         }
63 
64         /// <summary>
65         /// 从API文档中读取控制器描述
66         /// </summary>
67         /// <returns>所有控制器描述</returns>
68         public static ConcurrentDictionary<string, string> GetControllerDesc()
69         {
70             string xmlpath = string.Format("{0}/bin/Demo.API.XML", System.AppDomain.CurrentDomain.BaseDirectory);
71             ConcurrentDictionary<string, string> dic = new ConcurrentDictionary<string, string>();
72             if (!File.Exists(xmlpath))
73             {
74                 return dic;
75             }
76             XmlDocument doc = new XmlDocument();
77             doc.Load(xmlpath);
78             XmlNodeList list = doc.SelectNodes("//member[contains(@name,‘T:‘)]");
79             foreach (XmlNode item in list)
80             {
81                 string val = item.Attributes["name"].Value;
82                 string key = val.Substring(val.LastIndexOf(‘.‘) + 1).Replace("Controller", "");
83                 XmlNode node = item.FirstChild;
84                 if (!dic.ContainsKey(key))
85                 {
86                     dic.TryAdd(key, node.InnerText.Trim());
87                 }
88             }
89             return dic;
90         }
91 
92     }
93 }