DateTime a = System.DateTime.Now;
DateTime b = a.AddDays(-3);
Response.Write(b.ToString("yyyy-MM-dd"));
Response.Write(b.DayOfWeek.ToString());
DateTime b = a.AddDays(-3);
Response.Write(b.ToString("yyyy-MM-dd"));
Response.Write(b.DayOfWeek.ToString());
解决方案 »
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