如何比较来自两个不同 excel 工作簿的列

How to compare columns from two different excel workbooks

我有一个 Excel-Workbook,它有两个 sheets 'Task' 和 'Cities'。 我需要将 'Task' sheet 中的记录验证代码与 'Cities' Sheet.

中的记录进行比较

我可以按如下方式进行:

Dim CityString As String
Dim CityArray() As String

'Get the last row
'Dim lastRow As Integer
LastRow = Sheets("Task").UsedRange.Rows.Count
nLastRowSheet2 = Sheets("Cities").UsedRange.Rows.Count

Dim c As Range
Dim d As Range
Dim e As Variant

'Turn screen updating off to speed up macro code.
'User won't be able to see what the macro is doing, but it will run faster.
Application.ScreenUpdating = False

For Each c In Worksheets("Task").Range("A2:A" & LastRow)
    CityString = c
    CityArray() = Split(CityString, ";")
    For Each e In CityArray()
        e = Trim(e)

        Dim rngFnder As Range
        On Error Resume Next

            Set rngFnder = Sheets("Cities").Range("A2:A" & nLastRowSheet2).Find(e)

            If rngFnder Is Nothing Then
                c.Interior.Color = vbRed
            End If

        On Error GoTo 0
    Next
Next

现在我有另一个要求,我必须从两个不同的工作簿中执行相同的操作。

('Task' 和 'Cities' sheet 在两个不同的工作簿上)

谁能告诉我;我必须对上述代码进行哪些更改?

当你说 "on two different excelssheets" 我猜你的意思是它们在不同的 Excel 工作簿文件中?

当您使用以下行时,您指的是活动工作簿中的 sheet "Task"。

Worksheets("Task").Range("A2:A" & LastRow)

您应该指定工作簿,以免写错。 Using thisWorkbook 是指带有代码的工作簿,例如

ThisWorkbook.Worksheets("Task").Range("A2:A" & LastRow)

要访问任何打开的工作簿,包括当前工作簿,请使用

Workbooks("example.xls").Worksheets("Task").Range("A2:A" & LastRow)

如果工作簿已关闭,您可以使用

打开它
dim wrk as Workbook
set wrk = Workbooks.Open("C:\Docs\example.xls") 
wrk.Worksheets("Task").Range("A2:A" & LastRow)

如果您想了解更多关于 VBA 中的工作簿的信息,您可以阅读 here

我准备了另一个名为 'Sample_Data.xlsx' 的工作簿,在该工作簿下我将有一个 sheet 'cities'.

所以我必须在下面的代码中的其他地方进行更改才能使其正常工作;当我的 'Sample_Data.xlsx' 工作簿关闭时。 下面的代码打开工作簿;但不做验证。

Dim CityString As String
Dim CityArray() As String

'Get the last row
'Dim lastRow As Integer
LastRow = Sheets("Task").UsedRange.Rows.Count

Dim wrk As Workbook
Set wrk = Workbooks.Open("E:\Final\Sample_Data.xlsx")

nLastRowSheet2 = wrk.Worksheets("cities").UsedRange.Rows.Count

Dim c As Range
Dim d As Range
Dim e As Variant

'Turn screen updating off to speed up macro code.
'User won't be able to see what the macro is doing, but it will run faster.
Application.ScreenUpdating = False

For Each c In Worksheets("Task").Range("A2:A" & LastRow)
    CityString = c
    CityArray() = Split(CityString, ";")
    For Each e In CityArray()
        e = Trim(e)

        Dim rngFnder As Range
        On Error Resume Next

        Set rngFnder = wrk.Sheets("Cities").Range("A2:A" & nLastRowSheet2).Find(e)

        If rngFnder Is Nothing Then
            c.Interior.Color = vbRed
        End If

        On Error GoTo 0
    Next
Next