[翻版]学习Hibernate with Annotations第一个实例

package test.hibernate.annotations;

import javax.persistence.*;

/**
 * @description
 * @author Jason.T
 * @project Dowork
 * @date 2007-4-5
 */
@Entity
@Table(name="person") // name不指定表示类与表同名
public class Person {

	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	@Column(name="id")
	private Integer personId;
	
	@Column(name="name")
	private String name;
	
	@Column(name="sex")
	private Boolean sex;
	
	@Column(name="age")
	private Integer age;

	public Integer getAge() {
		return age;
	}

	public void setAge(Integer age) {
		this.age = age;
	}

	public String getName() {
		return name;
	}

	public Integer getPersonId() {
		return personId;
	}

	public Boolean getSex() {
		return sex;
	}

	public void setName(String name) {
		this.name = name;
	}

	public void setPersonId(Integer personId) {
		this.personId = personId;
	}

	public void setSex(Boolean sex) {
		this.sex = sex;
	}
}

package test.hibernate.annotations;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.Configuration;

/**
 * @description
 * @author Jason.T
 * @project Dowork
 * @date 2007-4-5
 */
public class HibernateAnnotationDemo {
	public static void main(String[] args) {
        Configuration config = new AnnotationConfiguration().configure();
        SessionFactory sessionFactory = config.buildSessionFactory(); 
         
        Person person = new Person();
        person.setAge(new Integer(25));
        person.setName("jason");
        person.setSex(new Boolean(true));
        
        Session session = sessionFactory.openSession(); 
        Transaction tx= session.beginTransaction(); 
        session.save(person); 
        tx.commit(); 
        session.close(); 
        sessionFactory.close(); 
    }

}

hibernate.cfg.xml配置内容:

<?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="show_sql">true</property>
        <property name="dialect">org.hibernate.dialect.InformixDialect</property>
        <property name="connection.driver_class">com.informix.jdbc.IfxDriver</property>
        <property name="connection.url">
        jdbc:informix-sqli://jians:3333/jasun:INFORMIXSERVER=cibcs;IFX_LOCK_MODE_WAIT=30;DB_LOCALE=zh_cn.gb
        </property>
        <property name="connection.username">informix</property>
        <property name="connection.password">cloud123</property>
        <property name="hibernate.hbm2ddl.auto">update</property>
        <!-- 以下设置对象与数据库表格映像类别 -->
        <mapping class="test.hibernate.annotations.Person"/>
    </session-factory>
</hibernate-configuration>

<property name="hibernate.hbm2ddl.auto">update</property>其中update表示加载hibernate自动更新数据库结构，其它选项参考hibernate手册。