这是一个工作示例,演示如何查找“姓氏”行,构造一个包含所有这些行的范围对象,然后遍历该对象以搜索非日期值。通过将数据范围读取到变量数组中,然后在数组中搜索姓氏行和这些行中的“错误日期”,可以大大加快代码速度。如果要检查的行数非常多,则尤其如此。
Sub DisjointRng()
Dim checkCol As String, checkPattern As String
Dim dateCols()
Dim lastCell As Range, usedRng As Range, checkRng As Range
Dim cell As Variant
Dim usedRow As Range, resultRng As Range, rngArea As Range
Dim i As Long, j As Long
checkCol = "A" 'column to check for "Last Name"
checkPattern = "Last*"
dateCols = Array(3, 5) 'columns to check for date formatting
With Worksheets("Sheet1")
'find the bottom right corner of data range; we determine the used range
'ourselves since the built-in UsedRange is sometimes out-of-synch
Set lastCell = .Cells(.Cells.Find(What:="*", SearchOrder:=xlRows, _
SearchDirection:=xlPrevious, LookIn:=xlFormulas).Row, _
.Cells.Find(What:="*", SearchOrder:=xlByColumns, _
SearchDirection:=xlPrevious, LookIn:=xlFormulas).Column)
Set usedRng = .Range("A1:" & lastCell.Address)
'the column of values in which to look for "Last Name"
Set checkRng = .Range(checkCol & "1:" & checkCol & usedRng.Rows.Count)
End With
'step down the column of values to check for last name & add
'add found rows to range object
For Each cell In checkRng
If cell.Value Like checkPattern Then
'create a range object for the row
Set usedRow = Intersect(cell.EntireRow, usedRng)
If resultRng Is Nothing Then
'set the first row with "Last Name"
Set resultRng = usedRow
Else
'add each additional found row to the result range object
Set resultRng = Union(resultRng, usedRow)
End If
End If
Next cell
For Each rngArea In resultRng.Areas
'if found rows are continguous, Excel consolidates them
'into single area, so need to loop through each of the rows in area
For i = 1 To rngArea.Rows.Count
For j = LBound(dateCols) To UBound(dateCols)
If Not IsDate(rngArea.Cells(i, dateCols(j))) Then
'do something
End If
Next j
Next i
Next rngArea
End Sub