<!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.url">jdbc:mysql://localhost/ones</property>
  <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
  <property name="hibernate.connection.username">root</property>
  <property name="hibernate.connection.password">88888888</property>
  <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
  <property name="hibernate.show_sql">true</property>
  
  <mapping resource="com/bjsxt/hibernate/User.hbm.xml"/>
 </session-factory>
</hibernate-configuration>

package ones;

public class User {
 private String id;
 private String name;
 private String password;
 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;
 }

}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping 
 package="org.hibernate.auction">

 <class name="User" table="AuctionUser" lazy="true">
  <comment>Users may bid for or sell auction items.</comment>
  
  <id name="id">
   <generator class="native"/>
  </id>
  
  <natural-id mutable="true">
   <property name="userName"
     length="10"/>
  </natural-id>
  
  <property name="password" 
    not-null="true"
    length="15"
    column="`password`"/>
  
  <property name="email"/>
  
  <component name="name">
   <property name="firstName"
     length="50"
     not-null="true"/>
   <property name="initial" 
     column="`initial`"/>
   <property name="lastName"
     length="50"
     not-null="true"/>
  </component>
  
  <bag name="bids"
    inverse="true" 
    cascade="save-update,lock">
   <key column="bidder"/>
   <one-to-many class="Bid"/>
  </bag>
  
  <bag name="auctions"
    inverse="true" 
    cascade="save-update,lock">
   <key column="seller"/>
   <one-to-many class="AuctionItem"/>
  </bag>
  
 </class>
 
</hibernate-mapping>

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping 
 package="ones">

 <class name="User" >
  
  
  <id name="id">
   <generator class="uuid"/>
  </id>
  
  
  <property name="name"></property>
  <property name="password"></property>
 </class>
 
</hibernate-mapping>

package ones;

import org.hibernate.cfg.Configuration;
import org.hibernate.tool.hbm2ddl.SchemaExport;



public class ExportDB {

 public static void main(String[] args) {
  //读取文件的配置
  Configuration cfg = new Configuration().configure();
  SchemaExport export = new SchemaExport(cfg);
  export.create(ture, ture);
 }

}