标签:maven构建hibernate hibernate入门使用
1:创建maven工程,引入hibernate需要的依赖
<dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>3.6.5.Final</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.6.1</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.6</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-nop</artifactId> <version>1.6.4</version> </dependency> <!-- 添加javassist --> <dependency> <groupId>javassist</groupId> <artifactId>javassist</artifactId> <version>3.11.0.GA</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.16</version> </dependency>
package com.nerd.entity;
import java.util.Date;
public class Event {
private int id;
private Date date;
private String title;
public Date getDate() {
return date;
}
public int getId() {
return id;
}
public String getTitle() {
return title;
}
public void setDate(Date date) {
this.date = date;
}
public void setId(int id) {
this.id = id;
}
public void setTitle(String title) {
this.title = title;
}
}
<?xml version="1.0" encoding='UTF-8'?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" > <hibernate-mapping> <class name="com.nerd.entity.Event" table="events"> <id name="id" type="int" column="EVENT_ID"> <generator class="native" /> </id> <property name="date" type="timestamp" column="EVENT_DATE" /> <property name="title" /> </class> </hibernate-mapping>
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://127.0.0.1:3306/db_hibe?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true</property>
<property name="connection.username">root</property>
<property name="connection.password">1234</property>
<property name="javax.persistence.validation.mode">none</property>
<property name="connection.pool_size">1</property>
<property name="dialect">org.hibernate.dialect.SQLServerDialect</property>
<property name="current_session_context_class">thread</property>
<property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
<property name="show_sql">true</property>
<!-- <property name="format_sql">true</property> -->
<property name="hbm2ddl.auto">create</property>
<property name="hbm2ddl.auto">update</property>
<mapping resource="com/nerd/entity/Event.hbm.xml"/>
<mapping resource="com/nerd/entity/Person.hbm.xml"/>
</session-factory>
</hibernate-configuration>
package com.nerd.util;
import org.apache.log4j.Logger;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class HibernateUtil {
private static final SessionFactory sessionFactory;
private static final Logger LOGGER = Logger.getLogger(HibernateUtil.class);
static{
try {
LOGGER.debug("HibernateUti.static - loading cofig");
sessionFactory = new Configuration().configure("hibernate.cfg.xml").buildSessionFactory();
LOGGER.debug("HibernateUtil.static - end");
} catch (Throwable ex) {
LOGGER.error("HibernateUti error : ExceptionInInitializerError");
throw new ExceptionInInitializerError(ex);
}
}
public static SessionFactory getsSessionFactory(){
return sessionFactory;
}
}
package com.nerd.test;
import java.util.Date;
import java.util.List;
import org.hibernate.classic.Session;
import com.nerd.entity.Event;
import com.nerd.util.HibernateUtil;
public class EventManger {
public static void main(String[] args) {
EventManger mgr = new EventManger();
if(args[0].equals("insert")){
mgr.createAndStoreEvent("my event", new Date());
}else if(args[0].equals("list")){
@SuppressWarnings("rawtypes")
List list = mgr.listEvents();
for(int i=0;i<list.size();i++){
Event theEvent = (Event)list.get(i);
System.out.println("Event "+theEvent.getTitle()+"date "+theEvent.getDate());
}
}
HibernateUtil.getsSessionFactory().close();
}
private void createAndStoreEvent(String title,Date date){
Session session = HibernateUtil.getsSessionFactory().getCurrentSession();
session.beginTransaction();
Event event = new Event();
event.setDate(date);
event.setTitle(title);
session.save(event);
session.getTransaction().commit();
}
@SuppressWarnings("rawtypes")
private List listEvents(){
Session session = HibernateUtil.getsSessionFactory().getCurrentSession();
session.beginTransaction();
List list = session.createQuery("from Event").list();
session.getTransaction().commit();
return list;
}
}
标签:maven构建hibernate hibernate入门使用
原文地址:http://blog.csdn.net/u012516914/article/details/42295225