/// <summary>
 /// 生成一批ID
 /// </summary>
 /// <typeparam name="T"></typeparam>
 /// <param name="count"></param>
 /// <returns></returns>
 public IEnumerable <long> GetSomeIds <T>(int count)// where T : EntityBase
 {
     return(Enumerable.Range(0, count).Select(index => SmallFlakes <T> .Oxidize()));
 }
 /// <summary>
 /// 生成ID
 /// </summary>
 /// <typeparam name="T"></typeparam>
 /// <returns></returns>
 public long GetId <T>()// where T : EntityBase
 {
     return(SmallFlakes <T> .Oxidize());
 }