spring+struts+ibatis怎么配置多数据源

spring+struts+ibatis如何配置多数据源？
spring.xml文件：

 <bean id="dataSource"
		class="org.springframework.jdbc.datasource.DriverManagerDataSource">
		<property name="driverClassName"
			value="com.microsoft.sqlserver.jdbc.SQLServerDriver" />
		<property name="url"
			value="jdbc:sqlserver://192.168.1.69;dataBaseName=TMS" />
		<property name="username" value="sa" />
		<property name="password" value="sql" />
	</bean>
	<bean id="sqlMapClient"
		class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
		<property name="configLocation" value="classpath:sqlmap.xml" />
		<property name="dataSource" ref="dataSource" />
	</bean>

	<bean id="DataBaseImpl"
		class="com.publicsoft.database.DataBaseImpl">
		<property name="sqlMapClient" ref="sqlMapClient" />
	</bean>
    <import resource="classpath:spring-xt.xml"/>     

spring-xt.xml文件：

<beans>
	<bean id="loginActionSpring"
		class="com.publicsoft.xt.LoginAction" scope="prototype">
		<property name="database" ref="DataBaseImpl" />
	</bean>       
    </beans> 

struts.xml文件：

<struts>
    <include file="/struts-xt.xml"></include>
</struts>

struts-xt.xml文件：

<struts>
	<constant name="struts.i18n.encoding" value="GB2312" />
	<constant name="struts.enable.DynamicMethodInvocation" value="true" />
   
	<package name="default"  extends="struts-default">
		<global-results>
			<result name="xtException">/xt/error.jsp</result>
		</global-results>
		<global-exception-mappings>
			<exception-mapping exception="java.lang.Exception"	result="xtException" />
		</global-exception-mappings>
    </package>
    <package name="xt" namespace="/xt" extends="default">
    <!-- 登录信息 -->
		<action name="login" class="loginActionSpring" >
			<result name="success">/xt/mainframe.jsp</result>
		</action>
	</package>
</struts>

sqlmap.xml文件：

<sqlMapConfig>
   <!-- 该文件是sql-map-config.xml文件改名而来,是iBatis专用文件 -->
   <sqlMap resource="sqlmap-xt.xml"/>
</sqlMapConfig>

sqlmap-xt.xml文件：

<sqlMap namespace="xt">
	<select id="qryD_XT_KEYS" resultClass="java.lang.Integer"
		parameterClass="java.util.Map">
		exec tools_xt_keybuilder #table_name#,#field_name#
	</select>

	<select id="qryD_XT_BASECODE" resultClass="java.util.HashMap"
		parameterClass="java.lang.String">
		select
		SCOPE_ID,SCOPE_DES,BASECODE_NO,BASECODE_VALUE,BASECODE_NAME,BASECODE_DES
		from d_xt_basecode where $filter$ order by order_id
	</select>
</sqlMap>

web.xml文件：

<web-app id="WebApp_9" version="2.4">
	<!--配置SPRING的BEAN管理文件，默认情况下会到WEB-INF/下去找applicationContext.xml	-->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>
			classpath:spring.xml, classpath:service.xml
		</param-value>
	</context-param>
	<filter>
		<filter-name>struts2</filter-name>
		<filter-class>
			org.apache.struts2.dispatcher.FilterDispatcher
		</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter>
		<filter-name>struts-cleanup</filter-name>
		<filter-class>
			org.apache.struts2.dispatcher.ActionContextCleanUp
		</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>struts-cleanup</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<listener>
		<listener-class>
			org.springframework.web.context.ContextLoaderListener
		</listener-class>
	</listener>
	<!-- begin XFire 配置 -->
	<servlet>
		<servlet-name>xfire</servlet-name>
		<servlet-class>
			org.springframework.web.servlet.DispatcherServlet
		</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>xfire</servlet-name>
		<url-pattern>*.ws</url-pattern>
	</servlet-mapping>
	<servlet>
		<!-- 配合Spring容器中XFire一起工作的Servlet-->
		<servlet-name>xfireServlet</servlet-name>
		<servlet-class>
			org.codehaus.xfire.spring.XFireSpringServlet
		</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>xfireServlet</servlet-name>
		<!-- 在这个URI下开放Web Service服务 -->
		<url-pattern>/service/*</url-pattern>