/// <summary>
/// 利用反射来判断对象是否包含某个属性
/// </summary>
/// <param name="instance">object</param>
/// <param name="propertyName">需要判断的属性</param>
/// <returns>是否包含</returns>
public static bool ContainProperty(this object instance, string propertyName)
{
  if (instance != null && !string.IsNullOrEmpty(propertyName))
  {
 PropertyInfo _findedPropertyInfo = instance.GetType().GetProperty(propertyName);
 return (_findedPropertyInfo != null);
  }
  return false;
}

bool cc = _person.ContainProperty("cc");
bool aa = _person.ContainProperty("Age");