Oracle数据库的hibernate.cfg.xml文件

用Hibernate配置连接数据库可以方便我们对POJO的操作，节省了很多时间和代码。下面就分别说明连接不同数据库需要在hibernate.cfg.xml做的配置。

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1、Hibernate连接MySQL数据库的hibernate.cfg.xml

 1 <?xml version='1.0' encoding='UTF-8'?>
 2 <!DOCTYPE hibernate-configuration PUBLIC
 3           "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
 4           "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
 5 <!-- Generated by MyEclipse Hibernate Tools.                   -->
 6 <hibernate-configuration>
 7 <session-factory>
 8     <!-- 配置JDBC连接属性 -->
 9     <property name="myeclipse.connection.profile">
10         com.mysql.jdbc.Driver
11     </property>
12     <property name="connection.url">
13         jdbc:mysql://localhost:3306/basehibernate
14     </property>
15     <property name="connection.username">root</property>
16     <property name="connection.password">sa</property>
17     <property name="connection.driver_class">
18         com.mysql.jdbc.Driver
19     </property>
20     <property name="dialect">
21         org.hibernate.dialect.MySQLDialect
22     </property>
23 
24     <!-- 自动建表 -->
25     <property name="hbm2ddl.auto">update</property>
26     <!-- 自动提交，不加的话可能会出现insert之后数据库无数据 -->
27     <property name="connection.autocommit">true</property>
28 
29     <!-- 使用Hibernate Annotation的POJO类 -->
30     <mapping class="com.basehibernate.pojo.Department" />
31     <mapping class="com.basehibernate.pojo.Employee" />
32 </session-factory>
33 </hibernate-configuration>

2、Hibernate连接Oracle数据库的hibernate.cfg.xml

 1 <?xml version='1.0' encoding='UTF-8'?>
 2 <!DOCTYPE hibernate-configuration PUBLIC
 3           "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
 4           "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
 5 <!-- Generated by MyEclipse Hibernate Tools.                   -->
 6 <hibernate-configuration>
 7 <session-factory>
 8     <!-- 配置JDBC连接属性 -->
 9     <property name="connection.driver_class">
10          oracle.jdbc.driver.OracleDriver
11     </property>
12     <property name="connection.url">
13         jdbc:oracle:thin:@localhost:1521:chanshuyi
14     </property>
15     <property name="myeclipse.connection.profile">oracle</property>
16     <property name="connection.username">csy</property>
17     <property name="connection.password">csy</property>
18     <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property>
19 
20     <!-- oracle特有的提交更改 -->
21     <property name="defaultAutoCommit">true</property> 
22     <!-- 自动建表 -->
23     <property name="hbm2ddl.auto">auto</property>
24     <property name="show_sql">true</property>  
25     <!-- 自动提交，不加的话可能会出现insert之后数据库无数据 -->
26     <property name="connection.autocommit">true</property>
27     
28     <!-- 使用Hibernate Annotation的POJO类 -->
29     <mapping class="com.xinpinv.pojo.Product" />
30     <mapping class="com.xinpinv.pojo.BitInfo" />
31 </session-factory>
32 </hibernate-configuration>