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DouyinApi.Extensions/Apollo/ConfigurationBuilderExtensions.cs

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+using Com.Ctrip.Framework.Apollo;
+using Microsoft.Extensions.Configuration;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Com.Ctrip.Framework.Apollo.Enums;
+using Com.Ctrip.Framework.Apollo.Logging;
+using Microsoft.Extensions.Primitives;
+using System.Reflection;
+
+namespace DouyinApi.Extensions.Apollo
+{
+   public static class ConfigurationBuilderExtensions
+    {
+        /// <summary>
+        /// 接入Apollo
+        /// </summary>
+        /// <param name="builder"></param>
+        /// <param name="jsonPath">apollo配置文件路径 如果写入appsettings.json中 则jsonPath传null即可</param>
+        public static void AddConfigurationApollo(this IConfigurationBuilder builder,string jsonPath)
+        {
+            if (!string.IsNullOrEmpty(jsonPath))
+            {
+                builder.AddJsonFile(jsonPath, true, false);
+            }
+            //阿波罗的日志级别调整
+            LogManager.UseConsoleLogging(LogLevel.Warn);
+            var options = new ApolloOptions();
+            var root = builder.Build();
+            root.Bind("Apollo", options);
+            if (options.Enable)
+            {
+                var apolloBuilder = builder.AddApollo(root.GetSection("Apollo:Config"));
+
+                foreach (var item in options.Namespaces)
+                {
+                    apolloBuilder.AddNamespace(item.Name, MatchConfigFileFormat(item.Format));
+                }
+                //监听apollo配置
+                Monitor(builder.Build());
+            }
+
+        }
+        #region private
+        /// <summary>
+        /// 监听配置
+        /// </summary>
+        private static void Monitor(IConfigurationRoot root)
+        {
+            //TODO 需要根据改变执行特定的操作 如 mq redis  等其他跟配置相关的中间件
+            //TODO 初步思路：将需要执行特定的操作key和value放入内存字典中，在赋值操作时通过标准事件来执行特定的操作。
+
+            //要重新Build 此时才将Apollo provider加入到ConfigurationBuilder中
+            ChangeToken.OnChange(() => root.GetReloadToken(), () =>
+            {
+                foreach (var apolloProvider in root.Providers.Where(p => p is ApolloConfigurationProvider))
+                {
+                    var property = apolloProvider.GetType().BaseType.GetProperty("Data", BindingFlags.Instance | BindingFlags.NonPublic);
+                    var data = property.GetValue(apolloProvider) as IDictionary<string, string>;
+                    foreach (var item in data)
+                    {
+                        Console.WriteLine($"key {item.Key}   value {item.Value}");
+                    }
+                }
+            });
+        }
+
+        //匹配格式
+        private static ConfigFileFormat MatchConfigFileFormat(string value) => value switch
+        {
+            "json" => ConfigFileFormat.Json,
+            "properties" => ConfigFileFormat.Properties,
+            "xml" => ConfigFileFormat.Xml,
+            "yml" => ConfigFileFormat.Yml,
+            "yaml" => ConfigFileFormat.Yaml,
+            "txt" => ConfigFileFormat.Txt,
+            _ => throw new FormatException($"与apollo命名空间的所允许的类型不匹配：{string.Join(",", GetConfigFileFormat())}"),
+        };
+        //获取数据格式对应的枚举
+        private static IEnumerable<string> GetConfigFileFormat() => Enum.GetValues<ConfigFileFormat>().Select(u => u.ToString().ToLower());
+        #endregion
+
+    }
+}