包含vbnet怎么获取时间的词条
vb.net中怎么获取日期中的年月日时分秒
Dim ThisDay As String = Format(Now, "yyyy-MM-dd") '获得当前日期字符串
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Dim ThisDateTime As DateTime = Convert.ToDateTime(ThisDay) '当前日期转换成DateTime
Dim ThisWeekDay As Integer = ThisDateTime.DayOfWeek '获得当前日期是星期几
Dim differadd As Integer = 1 - ThisWeekDay '相差的天数（星期1与当前星期几相差的天数）
Dim MyAdd As New TimeSpan(differadd, 0, 0, 0)
Dim MyYear As Integer = Format(Now, "yyyy") '获取当前日期的年份
Dim MyMonth As Integer = Format(Now, "MM") '获取当前日期的月份
Dim MyDay As Integer = Format(Now, "dd") '获取当前日期是几号
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)
vb。net怎么获取网络上的时间 坐等
Dim obj,OBJStatus As Object,url As String,GetText As String,i As Integer
Dim Retrieval
url=""
'判断网络是否连接
If url""Then
Retrieval=GetObject("winmgmts:\\.\root\cimv2")
obj=Retrieval.ExecQuery("Select*FromWin32_PingStatusWhereAddress='"Mid(url,8)"'")
For Each OBJStatus In obj
If IsNothing(OBJStatus.StatusCode) Or OBJStatus.StatusCode0 Then
Exit Sub
Else
Exit For'已连接则继续
End If
Next
End If
'通过下载网页头信息获取网络时间
Retrieval=CreateObject("Microsoft.XMLHTTP")
With Retrieval
.Open ( "Get",url,False,"","")
.setRequestHeader ("If-Modified-Since","0")
.setRequestHeader ("Cache-Control","no-cache")
.setRequestHeader ("Connection","close")
.Send()
If.Readystate4 Then Exit Sub
GetText=.getAllResponseHeaders()
i=InStr(1,GetText,"date:",vbTextCompare)
If i0 Then'网页下载成功
i=InStr(i,GetText,",",vbTextCompare)
GetText= Trim(Mid(GetText,i+1))
i=InStr(1,GetText,"GMT",vbTextCompare)
GetText=GetText.Substring(0,i-1)' Left(GetText,i-1)
MsgBox ("网络时间:"GetText)
End If
End With
Retrieval=Nothing
OBJStatus=Nothing
obj=Nothing
vb.net 如何获取时间？
两种方式自己选用
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim s As String
s = DateTime.Today.Year()
s = s DateTime.Today.Month()
s = s DateTime.Today.Day()
s = s DateTime.Now.Hour()
s = s DateTime.Now.Minute()
s = s DateTime.Now.Second()
MsgBox(s, vbDefaultButton1, Now())
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim s As String
s = Format(Now(), "yyyymmddhhmmss")
MsgBox(s, vbYes, Now())
End Sub
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