Spring连接MySQL、Oracle和SQL Server

<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<!--
连接MySQL-->
<property name="driverClassName"
value="com.mysql.jdbc.Driver"></property>
<property name="url"
value="jdbc:mysql://localhost:3306/mytest"></property>
<property
name="username" value="root"></property>
<property
name="password" value="root"></property>

<!-- 连接Oracle

<property name="driverClassName"
value="oracle.jdbc.driver.OracleDriver"></property>
<property
name="url"
value="jdbc:oracle:thin:@localhost:1521:orcl"></property>
<property
name="username" value="scott"></property>
<property
name="password" value="tiger"></property>

<property name="maxActive" value="100" />
<property name="maxIdle" value="20" />
<property name="maxWait" value="1000" />
<property name="defaultAutoCommit" value="true" />
<property name="removeAbandoned" value="true" />
<property name="removeAbandonedTimeout" value="120" />
<property name="validationQuery" value="select 1 from dual" />
<property name="testOnBorrow" value="true" />
-->
<!-- 连接SQL
Server
<property name="driverClassName"
value="com.microsoft.sqlserver.jdbc.SQLServerDriver"></property>
<property
name="url"
value="jdbc:sqlserver://localhost:1433;databaseName=test"></property>
<property
name="username" value="sa"></property>
<property name="password"
value="yuji"></property>
-->
<property name="maxActive"
value="100"></property>
<property name="maxIdle"
value="30"></property>
<property name="maxWait"
value="500"></property>
<property name="defaultAutoCommit"
value="true"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property
name="dataSource" ref="dataSource"></property>
<property
name="hibernateProperties">