配置文件加载顺序

1. org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started

2. org.springframework.context.support.AbstractApplicationContext.prepareRefresh Refreshing Root WebApplicationContext

3. org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from class path resource [applicationContext.xml]

4. org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from class path resource [applicationContext-datasource.xml]

5. org.springframework.core.io.support.PropertiesLoaderSupport.loadProperties Loading properties file from class path resource [datasource.properties]

6. org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization completed

7. org.springframework.web.servlet.FrameworkServlet.initServletBean FrameworkServlet 'dispatcher': initialization started

8. org.springframework.context.support.AbstractApplicationContext.prepareRefresh Refreshing WebApplicationContext for namespace 'dispatcher-servlet'

9. org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/dispatcher-servlet.xml]