Spring.net 后处理器 可用来切换实例

.xml配置

 <!--我们在Object.xml文件上将HexuObjectPostProcessor注册到上下文对象中去-->

  <object id="hexu" type="CnblogLesson_4_7.Model.Person,HRABLL" init-method="Init" destroy-method="Destroy"/>

  <object type="CnblogLesson_4_7.HexuObjectPostProcessor,HRABLL"/>

.代码

namespace CnblogLesson_4_7

  {

      public class HexuObjectPostProcessor : IObjectPostProcessor

      {

          public object PostProcessAfterInitialization(object instance, string objectName)

          {

            if (objectName.EndsWith("SysDictTypeDao"))

            {

                return Activator.CreateInstance(typeof(SysDictTypeDao));

            }

             Console.WriteLine("我调用了对象后处理器的 PostProcessAfterInitialization 方法,当前的对象是{0}", objectName);

             return instance;

         }

         public object PostProcessBeforeInitialization(object instance, string name)

         {

             Console.WriteLine("我调用了对象后处理器的 PostProcessBeforeInitialization 方法,当前的对象是{0}", name);

             return instance;

         }

     }

 }