SpringMvc获取上下文

 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpSession;

 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 /**
 * @ClassName: ContextHolderUtils
 * @Description: TODO(上下文工具类)
 *
  */
 public class ContextUtils {
     /**
      * SpringMvc下获取request
      *
      * @return
      */
     public static HttpServletRequest getRequest() {
         HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
         return request;

     }
     /**
      * SpringMvc下获取session
      *
      * @return
      */
     public static HttpSession getSession() {
         HttpSession session = getRequest().getSession();
         return session;

     }

 }