guokehua(@yahoo.com.cn public class Action public void executeD I CustomerDao icao=( (CustomerDao) Bean Factory. get Bean(“别名”); dao login; 10101 public class Bean Factory{∥框架化 public static Object get Bean( String aName)( String className=根据读取的类名; return Class forName(className). newInstance0; -设置配置文件,定义别名和类名的映射 public interface ICustomerDaof public abstract boolean login public class Customer Dao implements ICustomerDaod public boolean login{*代码*oy Java! J guokehua@yahoo.com.cn 郭克华J2EE框架实战教学视频 public class Action{ public void execute(){ ICustomerDao icdao = (ICustomerDao )BeanFactory. getBean(“别名”); cdao.login(); } } public class BeanFactory{ //框架化 public static Object getBean(String aName){ String className = 根据读取的类名； return Class.forName(className).newInstance(); } }-------------设置配置文件，定义别名和类名的映射 public interface ICustomerDao{ public abstract boolean login(); } public class CustomerDao implements ICustomerDao{ public boolean login(){/*代码*/} }