code: function (dataIndex, status) {
          var text = formatUtil.getFormattedLabel(this, dataIndex, status);
          if (text == null) {
              text = this.getData().getName(dataIndex);
          }
          return text;
      }
docs: Format label
  @param {string} name Region name
  @param {string} [status='normal'] 'normal' or 'emphasis'
  @return {string}