如果有人还在寻找这个…以下扩展名将更改默认值，同时仍然允许您覆盖其他一些经理：

/// 
 /// This extension allows the changing of the default lifetime manager in unity. /// 
 public class DefaultLifetimeManagerExtension : UnityContainerExtension where T : LifetimeManager { /// 
 /// Handle the registering event /// 
 protected override void Initialize() { Context.Registering += this.OnRegister; } /// 
 /// Remove the registering event /// 
 public override void Remove() { Context.Registering -= this.OnRegister; } /// 
 /// Handle the registration event by checking for null registration /// 
 private void OnRegister(object sender, RegisterEventArgs e) { if (e.LifetimeManager == null) { var lifetimeManager = (LifetimeManager)Activator.CreateInstance(typeof (T)); // Set this internal property using reflection lifetimeManager .GetType() .GetProperty("InUse", BindingFlags.NonPublic | BindingFlags.Instance) .SetValue(lifetimeManager, true); Context.Policies.Set(lifetimeManager, new NamedTypeBuildKey(e.TypeTo, e.Name)); if (lifetimeManager is IDisposable) { Context.Lifetime.Add(lifetimeManager); } } } } 

您可以在解析管道的“生命周期”阶段添加Unity扩展，并在其中始终使用ContainerControlledLifetimeManager实例。

编辑：事实上这篇文章有一个确切的例子：

https://unity.codeplex.com/discussions/352179

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