银行管理系统(Struts2+hibernate)

package com.connectDB; import org.hibernate.Session; import com.common.HibernateSessionFactory; import com.object.Account; import com.object.Customer; public class Operations { public static void openAccount(Customer cus,Account account) { Session session=null; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); session.save(account); session.save(cus); session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } } public static void deposit(Long cardId,double money) { Session session=null; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc=(Account)session.get(Account.class,cardId); acc.setMoney(money+acc.getMoney()); session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } } public static double drawMoney(Long cardId,String password,double money) { Session session=null; double num=-1; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc=(Account) session.get(Account.class,cardId); if(!acc.getPassword().equals(password)) num=-1;//表示密码不正确 if(acc.getPassword().equals(password)&&acc.getMoney()<money) num=0;//余额不足 if(acc.getPassword().equals(password)&&acc.getMoney()>=money) { num=1;//满足条件 acc.setMoney(acc.getMoney()-money); } session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } return num; } public static double tranfer(Long cardId1,String password,double money,Long cardId2) { Session session=null; double num=-1; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc1=(Account) session.get(Account.class,cardId1); Account acc2=(Account) session.get(Account.class,cardId2); if(!acc1.getPassword().equals(password)) num=-1;//表示密码不正确 if(acc1.getPassword().equals(password)&&acc1.getMoney()<money) num=0;//余额不足 if(acc1.getPassword().equals(password)&&acc1.getMoney()>=money) { num=1;//满足条件 acc1.setMoney(acc1.getMoney()-money); acc2.setMoney(acc2.getMoney()+money); } session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } return num; } public static double query(Long cardId,String password) { Session session=null; double d=-1; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc=(Account) session.get(Account.class,cardId); if(!acc.getPassword().equals(password)) { return d;//-1表示密码不正确 } d=acc.getMoney();//成功的话返回余额 session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } return d; } public static Object[] queryDetails(Long cardId,String password) { Session session=null; Object obj[]=new Object[2]; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc=(Account)session.get(Account.class,cardId); Customer cus=(Customer) session.get(Customer.class,acc.getCustomer().getCustomerId()); obj[0]=acc; obj[1]=cus; session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } return obj; } public static double alterPassword(Long cardId,String password,String newPassword,String newPasswordConfirm) { Session session=null; double d=-1; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc=(Account) session.get(Account.class,cardId); if(!acc.getPassword().equals(password)) return d;//-1表示密码不正确 if(!newPassword.equals(newPasswordConfirm)) return -2;//-2表示密码和确认密码不一致 else { acc.setPassword(newPassword); d=1;//1表示可以成功 } session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } return d; } public static double deleteAccout(Long cardId,String password) { Session session=null; double d=-1; try { session = HibernateSessionFactory.getSession(); session.beginTransaction(); Account acc=(Account) session.get(Account.class,cardId); Customer cus=(Customer)session.get(Customer.class,acc.getCustomer().getCustomerId()); if(!acc.getPassword().equals(password)) return d; else { session.delete(acc); session.delete(cus); d=1; } session.getTransaction().commit(); } catch(Exception e) { System.err.print(e); session.getTransaction().rollback(); } finally { HibernateSessionFactory.closeSession(); } return d; } }