Public?Function?IsRunnian(ByVal?n?As?Integer)?As?Boolean
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Dim?res?As?Boolean
res?=?False
If?n?Mod?400?=?0?Then
res?=?True
End?If
If?(n?Mod?100??0)?And?(n?Mod?4?=?0)?Then
res?=?True
End?If
IsRunnian?=?res
End?Function
Public?Function?Fc(ByVal?td?As?Date)?As?Byte
Dim?y?As?Integer
Dim?m?As?Integer
Dim?d?As?Integer
Dim?yc?As?Integer
Dim?mc?As?Integer
Dim?dc?As?Integer
y?=?Year(td)
m?=?Month(td)
d?=?Day(td)
dc?=?d
If?IsRunnian(y)?Then
mc?=?Val(Mid("512503514624",?m,?1))
Else
mc?=?Val(Mid("622503514624",?m,?1))
End?If
yc?=?((y?Mod?100)?\?4?+?(y?Mod?100))?Mod?7
Fc?=?(yc?+?mc?+?dc)?Mod?7
End?Function
1
string[] Day = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
string week = Day[Convert.ToInt32(DateTime.Now.DayOfWeek.ToString("d"))].ToString();
this.lbDay.Text = week;
2
this.lbDay.Text = System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.GetDayName(DateTime.Now.DayOfWeek);
VB內(nèi)置的Weekday函數(shù)就可以返回星期.
Weekday(date[, firstdayofweek])
-- date: 必要; Date類型; 要求的日期
-- firstdayofweek: 可選; vbDayOfWeek類型; 定義每周第一天(默認(rèn)為星期天)
Weekday返回一個Integer, 代表每周第幾天.
============================================
WeekdayName(weekday[, abbreviate][, firstdayofweek])
-- weekday: 必要; Long類型; 每周第幾天
-- abbreviate: 可選; Boolean類型; 表示星期的名稱是否被縮寫(默認(rèn)為False)
-- firstdayofweek: 可選; vbDayOfWeek類型; 定義每周第一天(默認(rèn)為星期天)
WeekdayName返回一個String, 如"星期一", 但根據(jù)不同的系統(tǒng), 也會返回如"Monday".
============================================
你也可以不用WeekdayName自己得到星期名
Choose(Weekday(#8/8/2008#, vbMonday), "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日")
Dim ThisDay As String = Format(Now, "yyyy-MM-dd") '獲得當(dāng)前日期字符串
Dim ThisDateTime As DateTime = Convert.ToDateTime(ThisDay) '當(dāng)前日期轉(zhuǎn)換成DateTime
Dim ThisWeekDay As Integer = ThisDateTime.DayOfWeek '獲得當(dāng)前日期是星期幾
Dim differadd As Integer = 1 - ThisWeekDay '相差的天數(shù)(星期1與當(dāng)前星期幾相差的天數(shù))
Dim MyAdd As New TimeSpan(differadd, 0, 0, 0)
Dim MyYear As Integer = Format(Now, "yyyy") '獲取當(dāng)前日期的年份
Dim MyMonth As Integer = Format(Now, "MM") '獲取當(dāng)前日期的月份
Dim MyDay As Integer = Format(Now, "dd") '獲取當(dāng)前日期是幾號
Dim MyToday As DateTime = New DateTime(MyYear, MyMonth, MyDay)
Dim Yourday As DateTime = MyToday.Add(MyAdd)
MsgBox("本周星期一的日期是:" Yourday)
C#
string [] Day=new string []{"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
Console.WriteLine(Day[Convert.ToInt16(DateTime.Now.DayOfWeek)]);
相信VB.net的你,應(yīng)該懂的。
新聞名稱:vb.net獲取星期幾 vb 獲取當(dāng)前日期
新聞來源:http://muchs.cn/article20/hjdcjo.html
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