spring 配置多数据源

public class DynamicDataSource   extends AbstractRoutingDataSource {
    public DynamicDataSource() {
    }

    protected Object determineCurrentLookupKey() {
        String key = DynamicDataSourceHolder.getDataSouce();
        System.out.println("------dataSource:" + key);
        return key;
    }
}
 
public class DynamicDataSourceHolder {
    public static final ThreadLocal<String> holder = new ThreadLocal();

    public DynamicDataSourceHolder() {
    }

    public static void putDataSource(String name) {
        holder.set(name);
    }

    public static String getDataSouce() {
        return (String)holder.get();
    }
}
 
 
 
<bean id="shardDataSource" class="com.base.dataSource.DynamicDataSource">
    <property name="targetDataSources">
        <map key-type="java.lang.String">
            <entry key="master1" value-ref="dataSource1"/>
            <entry key="master2" value-ref="dataSource2"/>
        </map>
    </property>
</bean>
 
<bean id="dataSource1" class="org.apache.commons.dbcp.BasicDataSource" parent="dataSourceParent">
    <property name="driverClassName" value="${jdbc1.driver}"/>
    <property name="url" value="${jdbc1.url}"/>
    <property name="username" value="${jdbc1.username}"/>
    <property name="password" value="${jdbc1.password}"/>
</bean>

<bean id="dataSource2" class="org.apache.commons.dbcp.BasicDataSource" parent="dataSourceParent">
    <property name="driverClassName" value="${jdbc2.driver}"/>
    <property name="url" value="${jdbc2.url}"/>
    <property name="username" value="${jdbc2.username}"/>
    <property name="password" value="${jdbc2.password}"/>
</bean>
 
<bean id="dataSourceParent" class="org.apache.commons.dbcp.BasicDataSource">
    <property name="initialSize" value="${dbcp.initialSize}"/>
    <property name="maxActive" value="${dbcp.maxActive}"/>
    <property name="maxIdle" value="${dbcp.maxIdle}"/>
    <property name="minIdle" value="${dbcp.minIdle}"/>
    <property name="maxWait" value="${dbcp.maxWait}"/>
    <property name="defaultAutoCommit" value="${dbcp.defaultAutoCommit}"/>
    <property name="timeBetweenEvictionRunsMillis" value="${dbcp.timeBetweenEvictionRunsMillis}"/>
    <property name="numTestsPerEvictionRun" value="${dbcp.numTestsPerEvictionRun}"/>
    <property name="minEvictableIdleTimeMillis" value="${dbcp.minEvictableIdleTimeMillis}"/>
    <property name="testWhileIdle" value="${dbcp.testWhileIdle}"/>
    <property name="testOnBorrow" value="${dbcp.testOnBorrow}"/>
    <property name="testOnReturn" value="${dbcp.testOnReturn}"/>
    <property name="validationQuery" value="${dbcp.validationQuery}"/>
    <property name="removeAbandoned" value="${dbcp.removeAbandoned}"/>
    <property name="removeAbandonedTimeout" value="${dbcp.removeAbandonedTimeout}"/>
    <property name="logAbandoned" value="${dbcp.logAbandoned}"/>
</bean>