一个简单的EJB实例.用DB2连接.JSP页面.很好用.供大家学习

				package salesdb;
				/**
				 * Local Home interface for Enterprise Bean: Item
				 */
				public interface ItemLocalHome extends javax.ejb.EJBLocalHome {
					/**
					 * Creates an instance from a key for Entity Bean: Item
					 */
					public salesdb.ItemLocal create(java.lang.Long itemid)
						throws javax.ejb.CreateException;
					/**
					 * Finds an instance using a key for Entity Bean: Item
					 */
					public salesdb.ItemLocal findByPrimaryKey(salesdb.ItemKey primaryKey)
						throws javax.ejb.FinderException;
					/**
					 * Creates an instance from a key for Entity Bean: Item
					 */
					public salesdb.ItemLocal create(
						java.lang.Long itemid,
						java.lang.String name)
						throws javax.ejb.CreateException;
					public java.util.Collection findAll() throws javax.ejb.FinderException;
				}