Hibernate配置详细解释

``` <?xml version=‘1.0’ encoding=‘gb2312’?> <!DOCTYPE hibernate-configuration PUBLIC “-//Hibernate/Hibernate Configuration DTD 3.0//EN” “http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> <!--声明Hibernate配置文件的开始--> <hibernate-configuration> com.mysql.jdbc.Driver <!--设置数据库的连接url:jdbc:m