public class HibernateUtil
{
private static SessionFactory sessionFactory;//此处为何用static去定义
static
{
try
{
sessionFactory=new Configuration().configure().buildSessionFactory();
}
catch(Exception ex)
{
ex.printStackTrace();
}
}
public static Session openSession()
{
Session session =sessionFactory.openSession();
return session;
}
public static void close(Session session)
{
if(session!=null)
{
session.close();
}
}
}
{
private static SessionFactory sessionFactory;//此处为何用static去定义
static
{
try
{
sessionFactory=new Configuration().configure().buildSessionFactory();
}
catch(Exception ex)
{
ex.printStackTrace();
}
}
public static Session openSession()
{
Session session =sessionFactory.openSession();
return session;
}
public static void close(Session session)
{
if(session!=null)
{
session.close();
}
}
}
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