关于vb.net获取动态时间的信息
vb.net 如何获取时间？
两种方式自己选用
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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
Vb.net 2008 如何获取网络时间
你是指Internet上的国际标准时间吗。
先加入控件 AxWinsock1 在.Com中Microsoft.Winsock
Public Class Form1
Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Integer)
Dim NoSrv As Boolean
Dim TimeFromNet As String
Dim OldTime As Date
Dim NewTime As Date
Dim MyDate As Date
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If AxWinsock1.CtlState MSWinsockLib.StateConstants.sckClosed Then AxWinsock1.Close()
AxWinsock1.Protocol = MSWinsockLib.ProtocolConstants.sckTCPProtocol
NetTime("") '首先取中科院国家授时中心时间
If NoSrv Or TimeFromNet = "" Then
NetTime("time.nist.gov") '取美国标准技时院时间
If NoSrv Or TimeFromNet = "" Then
MsgBox("检测不到网络标准时间服务器time.nist.gov！")
Else
NetTime("time.nist.gov")
If TimeFromNet = "" Then
MsgBox("网络标准时间服务器time.nist.gov超时！")
Else
MyDate = Mid(TimeFromNet, 8, 8)
OldTime = Mid(TimeFromNet, 17, 8)
NewTime = TimeSerial((Hour(OldTime) + 8) Mod 24, Minute(OldTime), Second(OldTime))
Dim MyTime As DateTime = MyDate Space(1) NewTime
MsgBox(MyTime)
'SetWindowsClock(MyTime)
End If
End If
Else
'使网络误差时间小，第2次再中科院国家授时中心时间
NetTime("")
If TimeFromNet = "" Then
MsgBox("网络标准时间服务器超时！")
Else
MyDate = Mid(TimeFromNet, 8, 8)
NewTime = Mid(TimeFromNet, 17, 8)
Dim MyTime As DateTime = MyDate Space(1) NewTime
MsgBox(MyTime)
'SetWindowsClock(MyTime)
End If
End If
End Sub
Private Sub NetTime(ByVal TimeSrv As String)
NoSrv = False
TimeFromNet = ""
If AxWinsock1.CtlState MSWinsockLib.StateConstants.sckClosed Then AxWinsock1.Close()
AxWinsock1.RemoteHost = TimeSrv ' "" 或 "time.nist.gov"
AxWinsock1.RemotePort = 13
AxWinsock1.LocalPort = 0
AxWinsock1.Connect()
Do While TimeFromNet = ""
If NoSrv Then Exit Do
Sleep(55)
System.Windows.Forms.Application.DoEvents()
Loop
If AxWinsock1.CtlState MSWinsockLib.StateConstants.sckClosed Then AxWinsock1.Close()
End Sub
Private Sub AxAxWinsock1_CloseEvent(ByVal sender As Object, ByVal e As System.EventArgs) Handles AxWinsock1.CloseEvent
AxWinsock1.Close()
End Sub
Private Sub AxAxWinsock1_DataArrival(ByVal sender As Object, ByVal e As AxMSWinsockLib.DMSWinsockControlEvents_DataArrivalEvent) Handles AxWinsock1.DataArrival
AxWinsock1.GetData(TimeFromNet)
End Sub
Private Sub AxAxWinsock1_Error(ByVal sender As Object, ByVal e As AxMSWinsockLib.DMSWinsockControlEvents_ErrorEvent) Handles AxWinsock1.Error
NoSrv = True
End Sub
End Class
怎么在VB.net中实时显示时间
定时器中处理
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Timer1.Interval = 10 '10毫秒刷新一次
Timer1.Start() '开启定时器
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Label1.Text = Now
End Sub
问一个VB.NET中关于时间操作的问题。
1、时间可以直接比较大小，定义两个时间的变量，直接使用或者即可判断，跟数据大小判断是一样的
2、时间差值，可以使用DateDiff函数进行
3、比如取一个现在的时间now，使用Year、month、day、hour、min、sec函数可以取到now的年份、月、日、小时、分钟和秒
vb怎么获取系统当前的系统时间啊
vb中获取系统当前的时间用函数 now() 就可以。另外还有相关的时间 date() time()
now()获取系统当前日期和时间，如：2015-12-12 22：23：34
time()获取系统的时间，如：22：23：34不显示当前日期
date()获得系统的日期，如：2015-12-12
Private Sub Command1_Click()
MsgBox Now()
MsgBox Time()
MsgBox Date
End Sub
vb.net获取年，月，日，时，分，秒
不是 有 函数嘛？
now() 就是 吧
取得 后 再 分离出你所需的，分别赋值 就行了，当然 还是 有 函数的
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