【Access源码示例】VBA获取计算机名称的方法

时　间:2020-05-19 09:01:24
作　者:金宇   ID：43  城市：江阴
摘　要:VBA获取计算机名称的方法。
正　文:

获取计算机名称主要有以下几种方法：

1.Environ系统环境函数
    Environ("computername")

2.WScript Shell Object
    CreateObject("WScript.Shell").ExpandEnvironmentStrings("%COMPUTERNAME%")

3.WScript Network Object
    CreateObject("WScript.Network").ComputerName

4.API方法

#If VBA7 And Win64 Then
    'x64 Declarations
    Declare PtrSafe Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As LongPtr) As LongPtr
#Else
    'x32 Declaration
    Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long
#End If
 
Function ComputerName() As String
    Dim sBuff                 As String * 255
    Dim lBuffLen              As Long
    Dim lResult               As Long
 
    lBuffLen = 255
    lResult = GetComputerName(sBuff, lBuffLen)
    If lBuffLen > 0 Then
        ComputerName = Left(sBuff, lBuffLen)
    End If
End Function

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