GradebookAction.java 文件源码

private IUserManagementService getUserService() {
if (GradebookAction.userService == null) {
    WebApplicationContext ctx = WebApplicationContextUtils
        .getRequiredWebApplicationContext(getServlet().getServletContext());
    GradebookAction.userService = (IUserManagementService) ctx.getBean("userManagementService");
}
return GradebookAction.userService;
   }