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.websphere_deploy.DB2UDBNT_V8_1;								/**				 * PurchaseBeanInjectorImpl_e813240d				 */				public class PurchaseBeanInjectorImpl_e813240d implements salesdb.websphere_deploy.PurchaseBeanInjector_e813240d {					/**					 * ejbCreate					 */					public void ejbCreate(com.ibm.ws.ejbpersistence.beanextensions.ConcreteBean cb, javax.resource.cci.IndexedRecord record) {						salesdb.LocationKey tempLocationKey;						salesdb.ItemKey tempItemKey;										salesdb.ConcretePurchase_e813240d concreteBean=(salesdb.ConcretePurchase_e813240d)cb;						record.set(0,concreteBean.getPurchaseid());						record.set(1,concreteBean.getTimestmp());						tempItemKey= concreteBean.getItemfkKey();						if(tempItemKey==null)							record.set(2,null);						else							record.set(2,tempItemKey.itemid);						tempLocationKey= concreteBean.getLocationfkKey();						if(tempLocationKey==null)							record.set(3,null);						else							record.set(3,tempLocationKey.zipcode);					}					/**					 * ejbStore					 */					public void ejbStore(com.ibm.ws.ejbpersistence.beanextensions.ConcreteBean cb, javax.resource.cci.IndexedRecord record) {						salesdb.LocationKey tempLocationKey;						salesdb.ItemKey tempItemKey;										salesdb.ConcretePurchase_e813240d concreteBean=(salesdb.ConcretePurchase_e813240d)cb;						record.set(0,concreteBean.getPurchaseid());						record.set(1,concreteBean.getTimestmp());						tempItemKey= concreteBean.getItemfkKey();						if(tempItemKey==null)							record.set(2,null);						else							record.set(2,tempItemKey.itemid);						tempLocationKey= concreteBean.getLocationfkKey();						if(tempLocationKey==null)							record.set(3,null);						else							record.set(3,tempLocationKey.zipcode);					}					/**					 * ejbRemove					 */					public void ejbRemove(com.ibm.ws.ejbpersistence.beanextensions.ConcreteBean cb, javax.resource.cci.IndexedRecord record) {						salesdb.ConcretePurchase_e813240d concreteBean=(salesdb.ConcretePurchase_e813240d)cb;						record.set(0,concreteBean.getPurchaseid());					}					/**					 * ejbFindByPrimaryKey					 */					public void ejbFindByPrimaryKey(Object pkeyObject, javax.resource.cci.IndexedRecord record) {						salesdb.PurchaseKey pkey=(salesdb.PurchaseKey)pkeyObject;						record.set(0,pkey.purchaseid);					}					/**					 * findItemfkPurchaseInverseByItemfkKey_Local					 */					public void findItemfkPurchaseInverseByItemfkKey_Local(salesdb.ItemKey fkey, javax.resource.cci.IndexedRecord record) {						record.set(0,fkey.itemid);					}					/**					 * findLocationfkPurchaseInverseByLocationfkKey_Local					 */					public void findLocationfkPurchaseInverseByLocationfkKey_Local(salesdb.LocationKey fkey, javax.resource.cci.IndexedRecord record) {						record.set(0,fkey.zipcode);					}				}