List<XY> lstTemp = new List<XY>(); lstTemp = lstInner; lstTemp.AddRange(lstPt); 结果lstInner因为lstTemp变化而变化了,呵呵 相关文章: 2022-01-19 2021-05-27 2021-12-07 2022-01-24 2022-12-23 2021-09-28 2022-12-23 2021-10-17