//编辑用户的隐私设置时
//1、首先获取整站默认设置，然后用用户设置进行覆盖；
/// <summary>
/// 获取用户的隐私设置
/// </summary>
/// <param name="userId">用户Id</param>
/// <returns><para>如果用户无设置返回空集合</para><remarks>key=itemKey,value=PrivacyStatus</remarks></returns>
public Dictionary <string, PrivacyStatus> GetUserPrivacySettings(long userId)
{
//缓存策略：常用
return(userPrivacySettingRepository.GetUserPrivacySettings(userId));
}
