public class SpringContextListener implements ServletContextListener {

    //获取spring注入的bean对象

    public static WebApplicationContext springContext;

    public void contextDestroyed(ServletContextEvent event) {

        //springContext = null;

    }

    /**

     * 获取spring上下文

     */

    public void contextInitialized(ServletContextEvent event) {

        springContext = WebApplicationContextUtils.getWebApplicationContext(event.getServletContext());

    }

}

<listener>

     <listener-class>com.test.util.SpringContextListener</listener-class>

</listener>

获取ServletContext
   SpringContextListener.springContext.getServletContext()
获取webapp路径
   String webPath = SpringContextListener.springContext.getServletContext().getRealPath("");

获取到的路径 /usr/local/tomcat/webapps/multimedia

multimedia 是我的项目名称