/// 判空工具类
class EmptyUtil {

  /// 判断是否为空，object的类型可以为：String Map List
  static bool isEmpty(Object object) {
    if (null == object) return true;
    if (object is String && (object.isEmpty || object.length == 0)) {
      return true;
    }
    if (object is List && (object.isEmpty || object.length == 0)) {
      return true;
    }

    if (object is Map && (object.isEmpty || object.length == 0)) {
      return true;
    }
    return false;
  }
}