如何 配置同一种数据库 多个数据源

数据源配置1 -->
<bean id="testDataSource1" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="driverClassName" value="${db.driver}" />
<property name="url" value="${unity.db.jdbc.url}" />
<property name="username" value="${db.login.name}"></property>
<property name="password" value="${db.login.password}" />
<property name="filters" value="${db.filters}"></property>
<property name="maxActive" value="${db.pool.maxActive}"></property>
<property name="initialSize" value="${db.pool.initialSize}"></property>
<property name="minIdle" value="${db.pool.minIdle}"></property>
<property name="maxWait" value="${db.maxWait}"></property>
<property name="timeBetweenEvictionRunsMillis" value="${db.timeBetweenEvictionRunsMillis}"></property>
<property name="minEvictableIdleTimeMillis" value="${db.minEvictableIdleTimeMillis}"></property>
<property name="validationQuery" value="${db.validationQuery}"></property>
<property name="testWhileIdle" value="${db.testWhileIdle}"></property>
<property name="testOnBorrow" value="${db.testOnBorrow}"></property>
<property name="testOnReturn" value="${db.testOnReturn}"></property>