code: @SuppressWarnings("unused")
      public Page dataToPage() {
          if (data instanceof String) {
              return Page.create(data.toString());
          }
          if (data instanceof JSONObject) {
              return Page.create((JSONObject) data);
          }
          if (data instanceof Page) {
              return (Page) data;
          }
          throw new RuntimeException(toString() + "  不是page!");
      }
docs: data to Page