//Group类
package com.jingtai;
public class Group {
private int groupId;
private String groupName;
public void setGroupId(int id){
groupId = id;
}
public int getGroupId(){
return groupId;
}
public void setGroupName(String name){
groupName = name;
}
public String getGroupName(){
return groupName;
}
}
Group.hbm.xml
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <!-- Generated 2015-10-2 19:20:37 by Hibernate Tools 3.4.0.CR1 --> <hibernate-mapping> <class name="com.test.Group" table="t_group"> <id name="groupId" type="int"> <column name="n_group_id" /> <generator class="identity" /> </id> <property name="groupName" type="java.lang.String"> <column name="c_group_name" /> </property> </class> </hibernate-mapping>
hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory> <property name="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</property> <property name="hibernate.connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property> <property name="hibernate.connection.url">jdbc:sqlserver://192.168.1.101:1433;DatabaseName=db_test;SelectMethod=cursor</property> <property name="hibernate.connection.username">user</property> <property name="hibernate.connection.password">password</property> <property name="show_sql">true</property> <property name="hbm2ddl.auto">update</property> <property name="myeclipse.connection.profile">sqlserver</property> <mapping resource="com/test/Group.hbm.xml" /> </session-factory> </hibernate-configuration>
HibernateUtil:
public class HibernateUtil
{
private static final SessionFactory sessionFactory;
static
{
try
{
Configuration cfg = new Configuration().configure();
//cfg.addClass(Group.class);//如果是5.0.2必须得有这句,否则就org.hibernate.MappingException: Unknown entity:
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().applySettings(cfg.getProperties()).build();
sessionFactory = cfg.buildSessionFactory(serviceRegistry);
}
catch (Throwable e)
{
throw new ExceptionInInitializerError(e);
}
}
private HibernateUtil()
{
}
public static SessionFactory getSessionFactory()
{
return sessionFactory;
}
}
测试程序:
import org.hibernate.Session;
import com.jingtai.hibernate.util.HibernateUtil;
import jingtai.Group;
public class App {
public static void main(String[] args) {
Session session = HibernateUtil.getSessionFactory().openSession();
session.beginTransaction();
Group group = new Group();
group.setGroupName("admin");
session.save(group);
session.getTransaction().commit();
}
}
Hibernate 5.0.2加载hibernate.cfg.xml时mapping不生效
原文:http://my.oschina.net/u/436306/blog/513259