(完整�基于JAVA技术网上银行系统的实现毕业设计 - 百度文库

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ͼ4-9 ²éѯÓà¶î¹ÜÀí

£¨4£©²éѯÓà¶î¹ÜÀí½çÃæÔ´´úÂ룺 public Account getAccount(String id){

Session session = null; Transaction tx = null; Account acc = null; try {

session = HibernateSessionFactory.getSession(); tx = session.beginTransaction();

acc = (Account)session.get(Account.class, id);

} catch (Exception e) {

tx.rollback();

}

e.printStackTrace();

}finally{ }

return acc;

txmit();

HibernateSessionFactory.closeSession();

4.3.7 תÕ˹ÜÀí£¨transfer.jsp£©

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public boolean transfer(Account first,Account second){

Session session = null; Transaction tx = null; boolean b = false; try {

session = HibernateSessionFactory.getSession(); tx = session.beginTransaction();

Account account1 = (Account)session.get(Account.class,

first.getId());

Account account2 = (Account)session.get(Account.class,

second.getId());

account1.setBalance(new

Double(account1.getBalance().doubleValue()-first.getBalance().doubleValue()));

account2.setBalance(new

Double(account2.getBalance().doubleValue()+first.getBalance().doubleValue()));

session.update(account1); session.update(account2); b = true;

} catch (Exception e) {

tx.rollback(); e.printStackTrace();

}finally{

}

}

txmit();

HibernateSessionFactory.closeSession();

return b;

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5.3.1 ÍøÕ¾Æô¶¯²âÊÔ

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