private void button1_Click(object sender, EventArgs e)

        {

            IApplicationContext ctx = ContextRegistry.GetContext();

            UserInfoService userInfo = (UserInfoService)ctx.GetObject("UserInfoService");

            userInfo.Show();

        }

    public class UserInfoService

    {

        public UserInfo user { get; set; }
　　　　//构造函数

        public UserInfoService(int age)

        {

            Age = age;

        }

        public int Age { get; set; }

        public string serverName { get; set; }

        public void Show()

        {

            Console.WriteLine("OK2------"+serverName);

            Console.WriteLine("Age=" + Age);

            Console.WriteLine("User=" + user.uName);

        }

    }

}

//user类型
namespace SpringDemo

{

    public class UserInfo

    {

        public string uName { get; set; }

    }

}

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

  <configSections>

    <sectionGroup name="spring">

      <section name="context" type="Spring.Context.Support.ContextHandler, Spring.Core"/>

      <section name="objects" type="Spring.Context.Support.DefaultSectionHandler, Spring.Core" />

    </sectionGroup>

  </configSections>

  <spring>

    <context>

      <resource uri="config://spring/objects"/>

      <resource uri="file://Servicess.xml"/>

    </context>

    <objects xmlns="http://www.springframework.net">

      <description>An  example that demonstrates simple IoC features.</description>

      <object name="UserInfoService" type="SpringDemo.UserInfoService, SpringDemo ">

        <constructor-arg name="age" value=""/>//--------构造函数注入

        <property name="serverName" value="yang"/>//------------属性注入

        <property name="user" ref="UserInfo"/>

      </object>

      <object name="UserInfo" type="SpringDemo.UserInfo, SpringDemo ">//-----user类型的注入

        <property name="uName" value="yang2"/>

      </object>

    </objects>

  </spring>

</configuration>