打开excel，右击页面底部的sheet页，选择“查看代码”

2、复制下方的代码，粘贴进去

Private Sub Worksheet_SelectionChange(ByVal Target As Excel.Range)

On Error Resume Next

Cells.FormatConditions.Delete

With Target.EntireRow.FormatConditions '行变色

.Delete

.Add xlExpression, , "TRUE"

.Item(1).Interior.ColorIndex = 35 '颜色选择，改变该值，行的颜色会改变

End With

With Target.EntireColumn.FormatConditions '列变色

.Delete

.Add xlExpression, , "TRUE"

.Item(1).Interior.ColorIndex = 35

End With

End Sub

3.关闭代码编辑器。回到表格页面，此时选中任何一个单元格，其行和列都会变化颜色