public interface IRegionFormat{string FormatName { get; }string GetShortTimeString(DateTime time);}public class DefaultRegionFormat : IRegionFormat{public string FormatName{get { return "默认时间格式"; }}public string GetShortTimeString(DateTime time){return time.ToString("yyyy-MM-dd");}}public class DayMonthYearRegionFormat : IRegionFormat{public string FormatName{get { return "日月年格式"; }}public string GetShortTimeString(DateTime time){return time.ToString("dd/MM/yyyy");}}public class MonthDayYearRegionFormat : IRegionFormat{public MonthDayYearRegionFormat(string s){Console.WriteLine("构造函数的参数：{0}", s);}public string FormatName{get { return "月日年格式"; }}public string GetShortTimeString(DateTime time){return time.ToString("MM/dd/yyyy");}}

        static void Main(string[] args){//NoConfigUnity();//ConfigUnity();
            ParameterUnity();Console.Read();}/// <summary>/// 全编码方式注入/// </summary>static void NoConfigUnity(){IUnityContainer container = GetRegisterContainer();IRegionFormat format1 = container.Resolve<IRegionFormat>();WriteFormat(format1);}/// <summary>/// 编码方式进行注入，此种方式无需在配置文件进行配置/// </summary>static IUnityContainer GetRegisterContainer(){IUnityContainer container = new UnityContainer();container.RegisterType<IRegionFormat, DefaultRegionFormat>();//container.RegisterType<IRegionFormat, DayMonthYearRegionFormat>();  //同一个接口注册两次，将以最后一次注册为准return container;}/// <summary>/// 通过配置文件进行注入/// </summary>static void ConfigUnity(){IUnityContainer container = new UnityContainer();UnityConfigurationSection section = ConfigurationManager.GetSection(UnityConfigurationSection.SectionName) as UnityConfigurationSection;//section.Configure(container, "defaultContainer");section.Configure(container, "DayMonthYearContainer");WriteFormat(container.Resolve<IRegionFormat>());}/// <summary>/// 构造方法含参数的注入/// </summary>static void ParameterUnity(){IUnityContainer container = new UnityContainer();UnityConfigurationSection section = ConfigurationManager.GetSection(UnityConfigurationSection.SectionName)as UnityConfigurationSection;            section.Configure(container, "MonthDayYearContainer");  //构造函数包含非注入类型参数container.RegisterInstance(typeof(string), "string类型注入"); //注册对象，以便于对构造函数调用的参数初始化指定值WriteFormat(container.Resolve<IRegionFormat>());}static void WriteFormat(IRegionFormat format){if (format != null){Console.WriteLine("格式名称：{0}；当前时间：{1}", format.FormatName, format.GetShortTimeString(DateTime.Now));}}

<?xml version="1.0" encoding="utf-8" ?>
<configuration><configSections><section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection,Microsoft.Practices.Unity.Configuration" /></configSections><startup> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup><unity><containers><container name="defaultContainer"><register type="UnityDemo.IRegionFormat,UnityDemo" mapTo="UnityDemo.DefaultRegionFormat,UnityDemo"></register></container><container name="DayMonthYearContainer"><register type="UnityDemo.IRegionFormat,UnityDemo" mapTo="UnityDemo.DayMonthYearRegionFormat,UnityDemo"></register></container><container name="MonthDayYearContainer"><register type="UnityDemo.IRegionFormat,UnityDemo" mapTo="UnityDemo.MonthDayYearRegionFormat,UnityDemo"></register></container></containers></unity>
</configuration>