tempData = 50.2
用if a>40 and b<52 then程序通过
可是用Select Case语句
Select Case tempData
Case Is > 1, Is <= 10
LinetypeScale = 0.1
Case Is > 10, Is <= 20
LinetypeScale = 0.2
Case Is >40,Is < 52
LinetypeScale = 0.8
End Select为什么只运行这一条语句
Case Is > 1, Is <= 10
LinetypeScale = 0.1
根本不执行这条语句??
Case Is >40,Is < 52
LinetypeScale = 0.8
用if a>40 and b<52 then程序通过
可是用Select Case语句
Select Case tempData
Case Is > 1, Is <= 10
LinetypeScale = 0.1
Case Is > 10, Is <= 20
LinetypeScale = 0.2
Case Is >40,Is < 52
LinetypeScale = 0.8
End Select为什么只运行这一条语句
Case Is > 1, Is <= 10
LinetypeScale = 0.1
根本不执行这条语句??
Case Is >40,Is < 52
LinetypeScale = 0.8
如果 tempData 的数据类型是整数,那么可以用
Select Case tempData
Case 2 to 10
LinetypeScale = 0.1
Case 11 to 20
LinetypeScale = 0.2
Case Is 41 to 51
LinetypeScale = 0.8
End Select
Private Sub Command1_Click()
Dim tempdata As Double
Dim LinetypeScale As Double
tempdata = 50.2
'用if a>40 and b <52 then程序通过
'可是用Select Case语句
Select Case tempdata
Case 1 To 10
LinetypeScale = 0.1
Case 10 = 20
LinetypeScale = 0.2
Case 40 To 52
LinetypeScale = 0.8
End Select'为什么只运行这一条语句
' Case Is > 1, Is <= 10
' LinetypeScale = 0.1
'根本不执行这条语句??
' Case Is > 40, Is < 52
' LinetypeScale = 0.8End Sub
Case 2 to 10
LinetypeScale = 0.1
Case 11 to 20
LinetypeScale = 0.2
Case Is 41 to 51
LinetypeScale = 0.8
End Select ,=or
这不就是“IS大于1,小于10”?
是的,语法就是这样的。可以用 To 来指定范围,我1楼已经给出了。