• 20170921xlVBA_SQL蒸发循环查询2


    'ARRAY("1991","1992","1993","1994","1996","1997","1998","1999","2001")
    Sub ADO_SQL_QUERY_ONE_RNG()
    '应用程序设置
        Application.ScreenUpdating = False
        Application.DisplayAlerts = False
        Application.Calculation = xlCalculationManual
    
        '错误处理
        On Error GoTo ErrHandler
    
        '计时器
        Dim StartTime, UsedTime As Variant
        StartTime = VBA.Timer
    
        '变量声明
        Dim Wb As Workbook
        Dim Sht As Worksheet
        Dim DataSht As Worksheet
    
    
        Dim Rng As Range
        Dim Arr As Variant
        Dim EndRow As Long
        Dim DataPath As String
        Dim SQL As String
    
        '实例化对象
        Set Wb = Application.ThisWorkbook
        DataPath = Wb.Path & "" & "蒸发214.xlsx" 'Wb.FullName
        
        
        'Set DataSht = Wb.Worksheets("2001")
        'Set Sht = Wb.Worksheets("result")
        '********************************************************************************************************************
        '对象变量声明
        Dim CNN As Object
        Dim RS As Object
        '数据库引擎——Excel作为数据源
        Dim DATA_ENGINE As String
        'Select Case Application.Version * 1    '设置连接字符串,根据版本创建连接
        'Case Is <= 11
           ' DATA_ENGINE = "Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties='Excel 8.0;HDR=YES;IMEX=2';Data Source="
        'Case Is >= 12
            DATA_ENGINE = "Provider=Microsoft.ACE.OLEDB.12.0;Extended Properties='Excel 12.0;HDR=YES;IMEX=2'; Data Source= "
       ' End Select
        '数据库引擎——Excel作为数据源
        'Const DATA_ENGINE As String = "Provider=Microsoft.ACE.OLEDB.12.0;" & _
         "Extended Properties='Excel 12.0;HDR=YES;IMEX=2'; Data Source= "
        '创建ADO Connection 连接器 实例
        Set CNN = CreateObject("ADODB.Connection")
        'On Error Resume Next
        '创建 ADO RecordSet  记录集 实例
        Set RS = CreateObject("ADODB.RecordSet")
        '连接数据源
        CNN.Open DATA_ENGINE & DataPath
        '********************************************************************************************************************
        
        
        'dataname = Array("1991", "1992", "1993", "1994", "1996", "1997", "1998", "1999", "2001")
        dataname = Array("2002", "2003", "2004", "2006", "2007", "2008", "2009", "2011", "2012", "2013", "2014")
        For i = LBound(dataname) To UBound(dataname)
        
        On Error Resume Next
        Wb.Worksheets(dataname(i) & "日子").Delete
        On Error GoTo 0
        
        Set Sht = Wb.Worksheets.Add(after:=Wb.Worksheets(Wb.Worksheets.Count))
        Sht.Name = dataname(i) & "日子"
        
        With Sht
            EndRow = .Cells(.Cells.Rows.Count, 2).End(xlUp).Row
            .Cells.ClearContents
            .Range("A1:F1").Value = Array("年", "月", "日", "数据", "数据除10", "日期序号")
            Set Rng = .Range("A2")
            '设置查询语句
            SQL = "SELECT 年,月,日,SUM(值),SUM(值)/10,NULL FROM [" & dataname(i) & "$A1:G] WHERE 站点  IS NOT NULL GROUP BY 年,月,日"
            '执行查询 返回记录集
            'RS.Open SQL, CNN, 1, 1
            Set RS = CNN.Execute(SQL)
            '复制记录集到指定Range
            Rng.CopyFromRecordset RS
    
        End With
        
        
        Next i
        '关闭记录集
        RS.Close
        '关闭连接器
        CNN.Close
        '运行耗时
    
        UsedTime = VBA.Timer - StartTime
    
    ErrorExit:        '错误处理结束,开始环境清理
        Set Wb = Nothing
        Set Sht = Nothing
        Set Rng = Nothing
        '释放对象
        Set RS = Nothing
        Set CNN = Nothing
    
        Application.ScreenUpdating = True
        Application.DisplayAlerts = True
        Application.Calculation = xlCalculationAutomatic
        Exit Sub
    ErrHandler:
        If Err.Number <> 0 Then
            MsgBox Err.Description & "!", vbCritical, "错误提示!"
            'Debug.Print Err.Description
            Err.Clear
            'Resume ErrorExit
        End If
    End Sub
    
    Sub GetDateIndex()
        For Each Sht In ThisWorkbook.Worksheets
            If Sht.Name Like "*日子" Then
                lastYear = CLng(Left(Sht.Name, 4)) - 1
                startdate = CDate(lastYear & "/12/31")
                Debug.Print startdate
                With Sht
                    EndRow = .Range("A65536").End(xlUp).Row
                    For i = 2 To EndRow
                        today = CDate(.Cells(i, 1).Value & "/" & .Cells(i, 2).Value & "/" & .Cells(i, 3).Value)
                        .Cells(i, 6).Value = DateDiff("d", startdate, today)
                    Next i
                End With
            End If
        Next Sht
    End Sub
    

      

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  • 原文地址:https://www.cnblogs.com/nextseven/p/7574192.html
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