MonitoringAction.java 文件源码

private ILessonService getLessonService() {
if (MonitoringAction.lessonService == null) {
    WebApplicationContext ctx = WebApplicationContextUtils
        .getRequiredWebApplicationContext(getServlet().getServletContext());
    MonitoringAction.lessonService = (ILessonService) ctx.getBean("lessonService");
}
return MonitoringAction.lessonService;
   }