List<Art_Search> artList=new List<Art_Search>(); artList=artList.OrderBy(s => Guid.NewGuid()).Take(5).ToList();//随机排序取前5条 相关文章: 2022-12-23 2022-12-23 2020-05-21 2022-12-23 2021-06-18 2022-12-23