<?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.connection.driver_class">com.mysql.jdbc.Driver</property> 
    <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hibernate_first</property> 
    <property name="hibernate.connection.username">root</property> 
    <property name="hibernate.connection.password">ab12</property> 
    <!-- dialect:方言，封裝的底層API，類似于Runtime，將數(shù)據(jù)庫轉(zhuǎn)換為配置中的相應(yīng)的語言 --> 
    <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> 
     
    <!-- 設(shè)置數(shù)據(jù)顯示對數(shù)據(jù)庫的操作 --> 
    <property name="hibernate.show_sql">true</property> 
     
    <property name="hibernate.format_sql">true</property> 
    <mapping resource="com/hibernate/User.hbm.xml"/> 
  </session-factory> 
</hibernate-configuration> 

package com.hibernate; 
 
import java.util.Date; 
 
public class User { 
  private String id; 
  public String getId() { 
    return id; 
  } 
  public void setId(String id) { 
    this.id = id; 
  } 
  public String getName() { 
    return name; 
  } 
  public void setName(String name) { 
    this.name = name; 
  } 
  public String getPassword() { 
    return password; 
  } 
  public void setPassword(String password) { 
    this.password = password; 
  } 
  public Date getCreateTime() { 
    return createTime; 
  } 
  public void setCreateTime(Date createTime) { 
    this.createTime = createTime; 
  } 
  public Date getExpireTime() { 
    return expireTime; 
  } 
  public void setExpireTime(Date expireTime) { 
    this.expireTime = expireTime; 
  } 
  private String name; 
  private String password; 
  private Date createTime; 
  private Date expireTime; 
} 

<?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 2014-4-30 15:39:33 by Hibernate Tools 3.4.0.CR1 --> 
<hibernate-mapping> 
  <class name="com.hibernate.User"> 
    <id name="id"> 
      <generator class="uuid"/> 
    </id> 
    <property name="name"/> 
    <property name="password"/> 
    <property name="createTime"/> 
    <property name="expireTime"/> 
  </class> 
</hibernate-mapping> 

package com.hibernate; 
 
import org.hibernate.cfg.Configuration; 
import org.hibernate.tool.hbm2ddl.SchemaExport; 
public class ExportDB { 
  public static void main(String[] args){ 
    //首先聲明獲取配置文件 
    //默認(rèn)讀取Hibernate.cfg.xml文件 
    Configuration cfg=new Configuration().configure();  
     
    //將讀取到的xml文件導(dǎo)出到ddl 
    SchemaExport export=new SchemaExport(cfg); 
    export.create(true, true); 
  } 
} 

package com.hibernate; 
 
import java.util.Date; 
 
import org.hibernate.Session; 
import org.hibernate.SessionFactory; 
import org.hibernate.cfg.Configuration; 
 
public class Client { 
  public static void main(String[] args){ 
     
    //讀取hibernate.cfg.xml文件 
    Configuration cfg=new Configuration().configure(); 
     
    //創(chuàng)建sessionfactory，相當(dāng)于數(shù)據(jù)庫鏡像，sessionfactory因為是鏡像所以就一份，最好創(chuàng)建一次 
    //通常是線程安全的。 
    SessionFactory factory=cfg.buildSessionFactory(); 
     
    //取的session 
    Session session=null; 
     
    try{ 
      session=factory.openSession(); 
      //開啟事務(wù) 
      session.beginTransaction(); 
      User user=new User(); 
      user.setName("張三"); 
      user.setPassword("123"); 
      user.setCreateTime(new Date()); 
       
      //保存User對象 
      session.save(user); 
       
      //提交事務(wù) 
      session.getTransaction().commit(); 
    }catch(Exception e){ 
      e.printStackTrace();//打印錯誤信息 
      //回滾事務(wù) 
      session.getTransaction().rollback(); 
    }finally{ 
      if(session != null){ 
        if(session.isOpen()){ 
          //關(guān)閉session 
          session.close(); 
        } 
      } 
    } 
  } 
}