配置文件app.config,其中的<configSections>配置节内的信息是必加的,不然载入会出错

View Code
<?xml version="1.0"?>
<configuration>
  <configSections>
    <section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection,Microsoft.Practices.Unity.Configuration"/>
  </configSections>
  <unity xmlns="http://schemas.microsoft.com/practices/2010/unity">
    <alias alias="IValueProvider" type="Common.IValueProvider,Common"/>
    <container name="ValueProviders">
      <register type="IValueProvider" name="Memery" mapTo="ValueProviders.MemeryProvider,ValueProviders"/>
      <register type="IValueProvider" name="Viedo" mapTo="ValueProviders.VideoCardProvider,ValueProviders"/>
      <register type="IValueProvider" name="Date" mapTo="ValueProviders.DateProvider,ValueProviders"/>
      <register type="IValueProvider" name="Name" mapTo="ValueProviders.NameProvider,ValueProviders"/>
    </container>
  </unity>
  <startup>
    <supportedRuntime version="v2.0.50727"/>
  </startup>
</configuration>

在Common程序集中的接口:

    public interface IValueProvider
    {
        string GetValue(object key);
    }

在ValueProviders程序集中的其中一个接口实例:

    public  class DateProvider:IValueProvider
    {
        public string GetValue(object key)
        {
            return DateTime.Now.ToShortDateString();
        }
    }

调用方法:

            UnityContainer container = new UnityContainer();
            container.LoadConfiguration("ValueProviders");
            var provider= container.Resolve<Common.IValueProvider>("Viedo");
            provider.GetValue(null);

如果不带参数,直接LoadConfiguration,会载入名称为”“或者没有name属性的container配置节,如果都没有会报错

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