我有2个需要绑定在一起的文件：hibernate.cfg.xml和hibernate属性。如何使用PropertyPlaceholderConfigurer将它们彼此指向？是否可以不将它们声明为bean？（我是Spring的初学者）。每个答案表示赞赏。

提前致谢。

纳扎尔

hibernate.cfg.xml：

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM 
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

    <session-factory>
           <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="db">
            <value>hibernate.properties</value>
        </property>
    </bean>
        <property name="hibernate.dialect">${db.dialect}</property>
        <property name="hibernate.connection.driver_class">${db.driver}</property>
        <property name="hibernate.connection.url">${db.url}</property>
        <property name="hibernate.connection.username">${db.username}</property>
        <property name="hibernate.connection.password">${db.password}</property>
        <property name="connection.pool_size">${db.pool_size}</property>
        <property name="current_session_context_class">${db.current_session_context_class}</property>
        <property name="hibernate.show_sql">${db.show_sql}</property>
        <property name="hibernate.cache.provider_class">${db.provider_class}</property>
        <property name="hibernate.cache.use_second_level_cache">${db.use_second_level_cache}</property>
        <property name="hibernate.cache.use_query_cache">${db.use_query_cache}</property>
        <property name="hibernate.hbm2ddl.auto">${db.hbm2ddl_auto}</property>
        <property name="hibernate.hbm2ddl.import_files">${db.import_files}</property>
        <mapping class="com.dataart.mediaportal.model.User"/>
        <mapping class="com.dataart.mediaportal.model.Album"/>
        <mapping class="com.dataart.mediaportal.model.Role"/>
        <mapping class="com.dataart.mediaportal.model.Image"/>

    </session-factory>
</hibernate-configuration>

hibernate.properties：

db.username=postgres
db.password=4351
db.driver=org.postgresql.Driver
db.url=jdbc:postgresql://localhost/MediaPortalDB
db.pool_size=1
db.dialect=org.hibernate.dialect.PostgreSQLDialect
db.import_files=import.sql
db.hbm2ddl_auto=create
db.use_query_cache=true
db.use_second_level_cache=true
db.provider_class=org.hibernate.cache.HashtableCacheProvider
db.show_sql=true
db.current_session_context_class=thread