?? usermanager.java
字號:
package com.crystal.hibernate;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
public class UserManager
{
public void addUser(User u)
{
Transaction tx = null;
Session session = InitSessionFactory.getInstance().getCurrentSession();
try {
tx = session.beginTransaction();
session.save(u);
tx.commit();
}
catch (HibernateException e) {
e.printStackTrace();
if (tx != null && tx.isActive()) {
tx.rollback();
}
}
}
public int getUser(String username)
{
Transaction tx = null;
List list = null;
Session session = InitSessionFactory.getInstance().getCurrentSession();
try {
tx = session.beginTransaction();
list =
session.createQuery("SELECT sname FROM User as u WHERE sname = :userid").setParameter("userid", username)
.list();
tx.commit();
}
catch (HibernateException e) {
e.printStackTrace();
if (tx != null && tx.isActive()) {
tx.rollback();
}
}
if(list.isEmpty()==true)
{
return 0;
}
else
{
return 1;
}
}
}
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