有时候在操作记录集时,我们需要获得记录集的字段值数组,下面是自己曾用过的一个函数
说明:mm: 判断返回的数组是否为空
arr() :是返回的数组
sqlQry:SQL语句,从记录集中返回需要的一个字段,需要哪个字段就包括哪个字段即可,如要返回唯一值加上DISTINCT
Public Function getDate_Arr(mm As Boolean, arr() As Variant, sqlQry As String)
Dim Conn1 As New ADODB.Connection
Dim Rs_Date As New ADODB.Recordset
Set Conn1 = CurrentProject.Connection
Dim sql As String
Dim rstCount As Integer
Dim x As Integer
sql = sqlQry
Rs_Date.Open sql, Conn1, 3, 3
rstCount = Rs_Date.RecordCount
If rstCount = 0 Then
mm = False
Rs_Date.Close
Set Rs_Date = Nothing
Exit Function
End If
Rs_Date.MoveFirst
ReDim arr(0 To rstCount - 1)
Do Until Rs_Date.EOF
arr(x) = Rs_Date(0)
x = x + 1
Rs_Date.MoveNext
Loop
Rs_Date.Close
Set Rs_Date = Nothing
mm = True
End Function