日期加一天得到新的日期变量比如 tt ="2012-10-31" 得到 tt1="2012-11-1"[最优解释]tt.AddDays(1)[其他解释]楼上正确
Dim tt As Date = "2012-10-31" Dim tt1 As Date = tt.AddDays(1) MsgBox(tt1)