3、类所在命名空间,也就是编译后显示的DLL名称,那PetShop是怎样工作的,下面我们来看一下DataAccess类,这也可说成一个工厂,呵呵,我们来看一下代码: 1using System.Reflection; 2using System.Configuration; 3 4namespace PetShop.DALFactory { 5 6 /**//// 7 /// This class is implemented following the Abstract Factory pattern to create the D
4、AL implementation 8 /// specified from the configuration file 9 /// 10 public sealed class DataAccess {1112 // Look up the DAL implementation we should be using13 private static readonly string path = ConfigurationManager.AppSettings["WebDAL"];14