静态 constructor-arg传参数
<bean id="datasourceFactory" class="com.ctrip.datasource.locator.DataSourceLocator" factory-method="newInstance"/>
实例 constructor-arg传参数
<bean id="dataSource" factory-bean="datasourceFactory" factory-method="getDataSource">
<constructor-arg>
<value>titan keyname</value>
</constructor-arg>
</bean>