vb.net如何获取时间格式?

可以访问注册表HKEY_CURRENT_USER\Control Panel\International下面的一些键值

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如sShortDate键值表示的是短日期sLongDate表示的是长日期

中文下的短日期是 yyyy-M-d

中文下的长日期是 yyyy'年'M'月'd'日'

vb怎么获取北京时间

VB里有好多时间函数，使用方法和excel类似，直接调用就好了，比如now显示当前时间，today表示当前日期，又如year年，month月，day日，hour小时（24小时制），minute分，second秒；

另外要想获得想要的时间格式，你需要一个格式函数Formart()，表示为formart(date,formart of date)，比如我想获得今天的日期并且用这种格式2015-08-31，那么函数是formart(now,"ddddd")，这里的ddddd就是格式符，想要获得全部的格式符可以百度“formart()函数使用“，我这里就不引用了，希望以上内容对你有帮助

VB如何“简单”获取网络时间？高手过来支两招。

最简单的办法是用Shell调用NET TIME //servername 命令获得时间，你可以将输出重定向到一个文件，然后在VB读取这个文件以获得时间。 －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－或者服务器上有SQL服务的话，可以：Set DbC = New ADODB.Connection

Dim adoDateTime As New ADODB.Recordset '获取 NT-SERVER 时间

With DbC

If .State = adStateOpen Then .Close

.CursorLocation = adUseClient

.ConnectionString = "DRIVER={MySQL ODBC 3.51 Driver};SERVER=" Server ";UID=" uID ";PWD=" uPassword ";DATABASE=" MyDatabase ";OPTION=1 + 2 + 8 + 32 + 2048 + 163841"

.ConnectionTimeout = 90

.Open

adoDateTime.Open "select now() as mysqlTime"

End With ————————————————————————————————————————————使用Windows API的NetRemoteTOD函数获得服务器的时间Option Explicit

Private Declare Function NetRemoteTOD Lib "Netapi32.dll" ( _

tServer As Any, pBuffer As Long) As Long

Private Type SYSTEMTIME

wYear As Integer

wMonth As Integer

wDayOfWeek As Integer

wDay As Integer

wHour As Integer

wMinute As Integer

wSecond As Integer

wMilliseconds As Integer

End Type

Private Type TIME_ZONE_INFORMATION

Bias As Long

StandardName(32) As Integer

StandardDate As SYSTEMTIME

StandardBias As Long

DaylightName(32) As Integer

DaylightDate As SYSTEMTIME

DaylightBias As Long

End Type

Private Declare Function GetTimeZoneInformation Lib "kernel32" (lpTimeZoneInformation As TIME_ZONE_INFORMATION) As Long

Private Declare Function NetApiBufferFree Lib "Netapi32.dll" (ByVal lpBuffer As Long) As Long

'

Private Type TIME_OF_DAY_INFO

tod_elapsedt As Long

tod_msecs As Long

tod_hours As Long

tod_mins As Long

tod_secs As Long

tod_hunds As Long

tod_timezone As Long

tod_tinterval As Long

tod_day As Long

tod_month As Long

tod_year As Long

tod_weekday As Long

End Type

'

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)

Public Function getRemoteTOD(ByVal strServer As String) As Date

Dim result As Date

Dim lRet As Long

Dim tod As TIME_OF_DAY_INFO

Dim lpbuff As Long

Dim tServer() As Byte

tServer = strServer vbNullChar

lRet = NetRemoteTOD(tServer(0), lpbuff)

If lRet = 0 Then

CopyMemory tod, ByVal lpbuff, Len(tod)

NetApiBufferFree lpbuff

result = DateSerial(tod.tod_year, tod.tod_month, tod.tod_day) + _

TimeSerial(tod.tod_hours, tod.tod_mins - tod.tod_timezone, tod.tod_secs)

getRemoteTOD = result

Else

Err.Raise Number:=vbObjectError + 1001, _

Description:="cannot get remote TOD"

End If

End Function

'要运行该程序，通过如下方式调用。

Private Sub Command1_Click()

Dim d As Date

d = getRemoteTOD("\\trademark")

MsgBox d

End Sub

请问怎么用vb.net调出年月日

用日期函数day()可获得当前日期,time()可获得当前系统时间.

dim CurDay as string

dim CurTime as string

curday=day()

curtime=time()

Label1.Caption = Date

就能在Label16显示当前日期

now 这个函数可以获得当前系统时间（包括年月日，小时分钟秒）

而

year()

month()

day()

等等则可以从now返回的值中分别提取年，月，日的信息

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