1.选择A列------条件格式
2.使用公式设置单元格,输入公式:=AND(LEN(A1)>0,COUNTIF($C:$C,A1)=0)
3.格式设置颜色,确定
也可以用VBA
- Sub fd()
- Dim arr, brr, i&, j&, d As Object, rng As Range
-
- brr = Range("C1:C" & Cells(Rows.Count, 3).End(3).Row) '第三列记入数组brr
-
- Set d = CreateObject("scripting.dictionary") '创建字典d
-
- For i = 1 To UBound(brr) '遍历数组brr,并记入字典d
- d(brr(i, 1)) = ""
- Next
-
- Columns("A:A").Interior.Pattern = xlNone 'A列为无色填充
-
- arr = Range("A1:A" & Cells(Rows.Count, 1).End(3).Row) '第一列记入数组brr
-
- For i = 1 To UBound(arr) '遍历数组arr
- If Len(arr(i, 1)) > 0 And Not d.exists(arr(i, 1)) Then '不为空,且不存在字典中执行
- If rng Is Nothing Then
- Set rng = Cells(i, 1) '单元格记入rng
- Else
- Set rng = Union(rng, Cells(i, 1)) '单元格连接
- End If
- End If
- Next
- rng.Interior.Color = 65535 '设置颜色
- End Sub



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