Access/VBA/Excel-左连接-11

Sub test()        
    Dim cnn As New ADODB.Connection '连接
    Dim rs As New ADODB.Recordset        
    Dim SQL As String
    Dim tblName        
    Dim dbAddr

    dbAddr = ThisWorkbook.Path & "\学生信息.accdb"
    tblName = "学生信息表"
    tblNote = "成绩表"

    '连接数据库
    With cnn
        .Provider = "Microsoft.ACE.OLEDB.12.0"
        .Open "Data Source=" & dbAddr        
    End With

    opFilds = "姓名," & tblNote & ".学号,性别,年级,语文成绩"
    searchC = tblNote & ".学号=1101"

    tbls = tblNote & " left join " & tblName _
    & " on " & tblNote & ".学号=" & tblName & ".学号"

    SQL = "Select " & opFilds & " from " & "(" & tbls & ")" & " where (" & searchC & ")"

    Set rs = cnn.Execute(SQL)        
    Dim sht        
    Dim fildNum        
    Set sht = ThisWorkbook.Worksheets("示例")
    
    sht.Cells.ClearContents

    fildNum = rs.Fields.Count        
    For j = 0 To fildNum - 1 Step 1
        fildName = rs.Fields(j).Name
        sht.Cells(1, j + 1) = fildName       
    Next j

    sht.Cells(2, 1).CopyFromRecordset rs

    cnn.Close        
    Set rs = Nothing
    Set cnn = NothingEnd Sub