c# 取当月第一天至下月第一天 

DateTime FirstDay = DateTime.Now.AddDays(-DateTime.Now.Day + 1).AddHours(-DateTime.Now.Hour).AddMinutes(-DateTime.Now.Minute).AddSeconds(-DateTime.Now.Second);
DateTime LastDay = DateTime.Now.AddMonths(1).AddDays(-DateTime.Now.AddMonths(1).AddDays(-1).Day).AddHours(-DateTime.Now.Hour).AddMinutes(-DateTime.Now.Minute).AddSeconds(-DateTime.Now.Second);

 

posted @ 2023-04-28 16:37  lixia64  阅读(90)  评论(0)  编辑  收藏  举报