获取Autofac中已注册的实例或服务 services

查询Autofac中所有的已注册类型，代码如下：

var builder = new ContainerBuilder();
var container = builder.Build();
  var services =
                container.ComponentRegistry.Registrations.SelectMany(x => x.Services)
                    .OfType<IServiceWithType>()
                    .Select(x => x.ServiceType);

            Dictionary<string, List<Type>> assemblyNames = new Dictionary<string, List<Type>>();
            foreach (var service in services)
            {
                var assemblyFullName = service.Assembly.FullName;
                if (!assemblyNames.ContainsKey(assemblyFullName))
                {
                    assemblyNames.Add(assemblyFullName, new List<Type> {service});
                }
                else
                {
                    assemblyNames[assemblyFullName].Add(service);
                }
            }
            LogUtil.CreateLog(LogLevel.Message, $"assemblyNames.Count = {assemblyNames.Count}");

            int i = 0;
            StringBuilder stringBuilder;
            foreach (var assemblyName in assemblyNames.Keys)
            {
                stringBuilder = new StringBuilder();
                i++;
                var value = assemblyNames[assemblyName];
                stringBuilder.AppendLine($"index={i},{assemblyName} with {value.Count} registered service");
                foreach (var item in value)
                {
                    stringBuilder.AppendLine($"{item}");
                }

                LogUtil.CreateLog(LogLevel.Message, stringBuilder.ToString());
            }

原文：https://www.cnblogs.com/chucklu/p/12666825.html

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