摘要: string[] str5 = { "2", "2", "6", "8", "8" }; var list = str5.Select(s => new { s, c = str5.Count(c => c == s) }).Distinct().Where(w => w.c > 1).ToList 阅读全文
posted @ 2021-03-11 13:45 点滴一言 阅读(595) 评论(0) 推荐(0)