方法1: s.Substring(0,1).ToUpper()+s.Substring(1); 方法2: s = System.Threading.Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(s) 相关文章: 2021-10-21 2022-12-23 2021-10-13 2022-12-23 2022-12-23 2022-12-23 2021-12-18 2022-12-23