摘要: var a = sys_Users.GroupBy(z => new { z.userName, z.wechatUserId, z.telphone, z.companyId }).Where(z => z.Count() > 1).Select(z => z.First()).ToList(). 阅读全文
posted @ 2023-05-31 16:52 柏泊 阅读(11) 评论(0) 推荐(0)