springmvc其他类获取request记得web.xml

<listener>
        <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
 </listener>

public static HttpServletRequest getRequest(){
        HttpServletRequest req = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        return req;
    }

    public static HttpServletResponse getResponse(){
        HttpServletResponse resp = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getResponse();
        return resp;
    }

@Autowired
private HttpSession session;

@Autowired
private HttpServletRequest request;