有没有*.cfg.xml的样本？比如如何配置数据库信息

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 2.0//EN"

 "http://hibernate.sourceforge.net/hibernate-configuration-2.0.dtd">

<hibernate-configuration>

    <!-- a SessionFactory instance listed as /jndi/name -->
    <session-factory 
        name="java:comp/env/hibernate/SessionFactory">

        <!-- properties -->
        <property name="connection.datasource">my/first/datasource</property>
        <property name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
        <property name="show_sql">false</property>
        <property name="use_outer_join">true</property>
        <property name="transaction.factory_class">net.sf.hibernate.transaction.JTATransactionFactory</property>
        <property name="jta.UserTransaction">java:comp/UserTransaction</property>

        <!-- mapping files -->
        <mapping resource="eg/Edge.hbm.xml"/>
        <mapping resource="eg/Vertex.hbm.xml"/>

    </session-factory>

</hibernate-configuration>

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-2.0.dtd";>


<hibernate-configuration>

<!-- a SessionFactory instance listed as /jndi/name -->
<session-factory >
<property name="show_sql">false</property>
<property name="use_outer_join">false</property>

<!-- properties for this SessionFactory only -->
<property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="connection.username">user</property>
<property name="connection.password">pwd</property>
<property name="connection.url">jdbc:oracle:thin:@ip:1521:SID</property>
<property name="dialect">net.sf.hibernate.dialect.OracleDialect</property>

<!-- mapping files -->
<mapping resource="package.ClassName.hbm.xml"/>
<mapping resource="package2.ClassName2.hbm.xml"/>
<mapping resource="..."/>
</session-factory>
</hibernate-configuration>