Hibernate配置自动增长咧

<?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="com.example.entity">    <class name="Foo">       <id name="id">             <generator class="org.hibernate.id.enhanced.SequenceStyleGenerator">                <!--初始值，默认是1-->                <param name="initial_value">1000</param>                <!--自增大小，默认是1-->                <param name="increment_siz">1</param>                <!--sequence的名字，默认是"hibernate_sequence"-->                <param name="sequence_name">hibernate_sequence</param>            </generator>         </id>       </class></hibernate-mapping>