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2014年3月8日 星期六

VBA抓大盤指數與融資餘額畫圖

前面幾篇用VBA抓資料畫圖,如VBA抓大盤融資餘額VBA抓取恐慌指數(VIX指數),都是簡單的作法,現在來玩玩進階一點的作法,在融資餘額上再加上一張大盤指數。
以往用VBA畫單一圖層是比較簡單,若想要將兩張圖疊加在一起比較時,真需要話點時間處理,這裡先做個兩張圖疊加在一起的簡單範例當作入門,有興趣的可以參考以下程式碼。
Option Explicit

Dim xlStartYear As Integer
Dim xlStartMonth As Integer
Dim xlStartDay As Integer

Sub 大盤與融資()
    
    Application.ScreenUpdating = False
    
    xlStartYear = 2014
    xlStartMonth = 1
    xlStartDay = 1
    
    ClaerChartObjects
    
    With Workbooks(1).Worksheets(1)
        .UsedRange.ClearContents
        .Cells(1, 1) = "交易日期"
        .Cells(1, 2) = "大盤指數"
        .Cells(1, 3) = "融資餘額"
        .Cells(1, 4) = "融券餘額"
        .Cells(1, 5) = "融資金額"
    End With
        
    大盤指數
    融資資料
    
    Worksheets(1).Cells.EntireColumn.AutoFit
    Worksheets(1).Cells.HorizontalAlignment = xlCenter
    
    繪圖
    
    Application.ScreenUpdating = True
    
End Sub

Sub 大盤指數()
    Dim url As String
    Dim i, j, k, xlCount, xlDay, xlDaysOfMonth As Integer
    
    xlDay = xlStartDay
    xlCount = 2
    For i = xlStartYear To Year(Date)
        For j = xlStartMonth To Month(Date)
            xlDaysOfMonth = Day(DateSerial(Format(i, "0000"), Format(j, "00") + 1, 1) - 1)
            For k = xlDay To xlDaysOfMonth
                url = "http://www.twse.com.tw/ch/trading/exchange/MI_INDEX/MI_INDEX_print.php?genpage=genpage/Report" & Format(i, "0000") & Format(j, "00") & "/A112" & Format(i, "0000") & Format(j, "00") & Format(k, "00") & "MS.php&type=csv"
                With Workbooks.Open(url)
                    .ActiveSheet.Range("B3:B3").Select
                    If ActiveCell.Value <> Empty Then
                        .ActiveSheet.Range("B3:B3").Copy _
                        Destination:=Workbooks(1).Worksheets(1).Range("B" & xlCount & ":B" & xlCount)
                        Workbooks(1).Worksheets(1).Cells(xlCount, 1) = Format(i, "0000") & "/" & Format(j, "00") & "/" & Format(k, "00")
                        xlCount = xlCount + 1
                    End If
                    .Close 0
                End With
            Next k
            
            If k >= xlDaysOfMonth Then
                xlDay = 1
            End If
        Next j
    Next i
End Sub

Sub 融資資料()
    Dim url As String
    Dim i, j, k, xlCount, xlDay, xlDaysOfMonth As Integer
  
    xlDay = xlStartDay
    xlCount = 2
    For i = xlStartYear To Year(Date)
        For j = xlStartMonth To Month(Date)
            xlDaysOfMonth = Day(DateSerial(Format(i, "0000"), Format(j, "00") + 1, 1) - 1)
            For k = xlDay To xlDaysOfMonth
                url = "http://www.twse.com.tw/ch/trading/exchange/MI_MARGN/MI_MARGN_2.php?select2=MS&input_date=" & Format(i, "0000") & "/" & Format(j, "00") & "/" & Format(k, "00") & "&type=csv"
            
                With Workbooks.Open(url)
                    .ActiveSheet.Cells(1, 1).Select
                    If ActiveCell.Value <> Empty Then
                        .ActiveSheet.Range("F3:F5").Copy
                        Workbooks(1).Worksheets(1).Range("C" & xlCount & ":C" & xlCount).PasteSpecial Transpose:=True
                        xlCount = xlCount + 1
                    End If
                    .Close 0
                End With
            Next k
            
            If k >= xlDaysOfMonth Then
                xlDay = 1
            End If
        Next j
    Next i
End Sub

Sub 繪圖()
    Dim i, nRow As Integer
    
    ClaerChartObjects
    
    nRow = Worksheets(1).Range("A65536").End(xlUp).Row
    With ActiveSheet.ChartObjects.Add(Left:=358, Top:=33, Width:=701, Height:=445).Chart
    
        .HasTitle = True
        .ChartTitle.Text = "大盤與融資餘額"
        
        With .SeriesCollection.NewSeries
            .ChartType = xlLineMarkers      '圖表類型
            .Values = Range("B2:B" & nRow)  '數值
            .XValues = Range("A2:A" & nRow) 'X軸
            .Name = "大盤"                  '圖表名稱
            .AxisGroup = xlPrimary
        End With
        
        With .SeriesCollection.NewSeries
            .ChartType = xlLineMarkers      '圖表類型
            .Values = Range("C2:C" & nRow)  '數值
            .XValues = Range("A2:A" & nRow) 'X軸
            .Name = "融資"                  '圖表名稱
            .AxisGroup = xlSecondary
        End With
        
        '.Legend.Delete
        .Legend.Position = xlBottom 'xlLegendPositionBottom 或 xlBottom都可
        
        For i = 1 To .SeriesCollection(1).Points.Count
            With .SeriesCollection(1).Points(i)
                '.MarkerStyle = xlMarkerStyleCircle
                '.MarkerForegroundColorIndex = 1        '設定數列前景色為黑色(ColorIndex=1)
                '.MarkerBackgroundColorIndex = 3        '設定數列背景色為紅色(ColorIndex=3)
                '.Border.ColorIndex = 3                 '設定數列線條為紅色(ColorIndex=3)
                '.ApplyDataLabels xlDataLabelsShowValue '顯示數值
                '.MarkerSize = 6
            End With
        Next i
               
        
        With .Axes(xlCategory)  'X軸設定
            .HasTitle = True
            .AxisTitle.Text = Range("A1:A1")
            .AxisTitle.Font.Size = 12
        End With
        
        With .Axes(xlValue, xlPrimary)              '左邊 Y軸設定
            .HasTitle = True
            .AxisTitle.Text = Range("B1:B1")
            .AxisTitle.Font.Size = 12
            .AxisTitle.Orientation = xlVertical     '字體方向旋轉
            .AxisTitle.VerticalAlignment = xlCenter
            .AxisTitle.HorizontalAlignment = xlCenter
        End With
                
        With .Axes(xlValue, xlSecondary)            '右邊 Y軸設定
            .HasTitle = True
            .AxisTitle.Text = Range("C1:C1")
            .AxisTitle.Font.Size = 12
            .AxisTitle.Orientation = xlVertical     '字體方向旋轉
            .AxisTitle.VerticalAlignment = xlCenter
            .AxisTitle.HorizontalAlignment = xlCenter
        End With
    End With
    
    'Color Index : http://msdn.microsoft.com/en-us/library/cc296089(office.12).aspx
    
End Sub

Sub ClaerChartObjects()
    Dim Chtobj As ChartObject
    
    For Each Chtobj In ActiveSheet.ChartObjects
        Chtobj.Delete
    Next
End Sub

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