Spring中四个数据源

<!-- DBCP数据源 -->  
<bean name="dataSource" class="org.apache.commons.dbcp.BasicDataSource">  
    <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/>  
    <property name="url" value="jdbc:oracle:thin:@localhost:1521:oracle"/>  
    <property name="username" value="fantasy"/>  
    <property name="password" value="fantasy"/>  
</bean>  
  
<!-- C3P0数据源 -->  
<bean name="c3p0DataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">  
    <property name="driverClass" value="oralce.jdbc.driver.OracleDriver"/>  
    <property name="jdbcUrl" value="jdbc:oracle:thin:@localhost:1521:oracle"/>  
    <property name="user" value="fantasy"/>  
    <property name="password" value="fantasy"/>  
</bean>  
  
<!-- Spring数据源 -->  
<bean name="springDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">  
    <property name="driverClassName" value="oralce.jdbc.driver.OracleDriver"/>  
    <property name="url" value="jdbc:oracle:thin:@localhost:1521:oracle"/>  
    <property name="username" value="fantasy"/>  
    <property name="password" value="fantasy"/>  
</bean>  
  
<!-- 创建模板 -->  
<bean name="jndiTemplate" class="org.springframework.jdbc.core.JdbcTemplate">  
    <property name="dataSource" ref="dataSource"/>  
    </bean>  
    <bean name="userDaoImpl" class="com.gmd.dao.impl.UserDaoImpl">  
    <property name="template" ref="jdbcTemplate"/>  
    </bean>  
  
<!-- JDNI数据源 -->  
<bean name="jndiDataSource"  
    class="org.springframework.jndi.JndiObjectFactoryBean">  
    <property name="jndiName" value="java:comp/env/jdbc/oracle"/>  
</bean>