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: Location
				 */
				public interface LocationLocalHome extends javax.ejb.EJBLocalHome {
					/**
					 * Creates an instance from a key for Entity Bean: Location
					 */
					public salesdb.LocationLocal create(java.lang.String zipcode)
						throws javax.ejb.CreateException;
					/**
					 * Finds an instance using a key for Entity Bean: Location
					 */
					public salesdb.LocationLocal findByPrimaryKey(
						salesdb.LocationKey primaryKey)
						throws javax.ejb.FinderException;
					/**
					 * Creates an instance from a key for Entity Bean: Location
					 */
					public salesdb.LocationLocal create(
						java.lang.String zipcode,
						java.lang.String city,
						java.lang.String state,
						java.lang.String areacode)
						throws javax.ejb.CreateException;
				}