/**
   * 查询文档前n条评论和评论总数
   *
   * @param sortKey 排序关键字
   * @param desc 排序方式
   * @param docId 文档ID
   * @param HttpServletRequest request
   * @return String
   * @throws Exception Exception
   */
  public @ResponseBody(datatype = "jsonp") NComentList getDocumentCommentNList(int docId, int n) {

    try {
      NComentList docCommentList = docCommentManager.getCommnetList(docId, n);
      return docCommentList;
    } catch (Exception e) {
      return null;
    }
  }
  /**
   * 展示所有该文档的评论
   *
   * @param sortKey
   * @param desc
   * @param offset
   * @param pagesize
   * @param docId
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  public String showAllCommentList(
      @PagerParam(name = PagerParam.SORT, defaultvalue = "title") String sortKey,
      @PagerParam(name = PagerParam.DESC, defaultvalue = "false") boolean desc,
      @PagerParam(name = PagerParam.OFFSET) long offset,
      @PagerParam(name = PagerParam.PAGE_SIZE, defaultvalue = "50") int pagesize,
      int docId,
      HttpServletRequest request,
      HttpServletResponse response)
      throws Exception {

    ListInfo docCommentList = docCommentManager.getCommnetList(docId, (int) offset, pagesize);

    request.setAttribute("docCommentList", docCommentList);
    request.setAttribute("docId", docId);

    return "path:showAllCommentList";
  }