code: function (forms, serializeArray) {
              // 名值键值对序列化,数组元素名字前不加 []
              return querystring.stringify(FormSerializer.getFormData(forms), undefined, undefined, serializeArray || false);
          }
docs: form serialization
  @method
  @param {HTMLElement[]|HTMLElement|KISSY.Node} forms form elements
  @return {String} serialized string represent form elements
  @param {Boolean}[serializeArray=false] See {@link KISSY#method-param} 同名参数
  @member KISSY.IO
  @static