如何通过 Excel VBA 中的 Select Case 失败？
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How to fall through a Select Case in Excel VBA?
提问by Kevin Boyd
Given
给定的
Select Case cmd
case "ONE": MsgBox "one"
case "TWO": MsgBox "two"
case "THREE": MsgBox "three"
End select
My requirement is if cmd = "ONE"I need "one"and then "two"displayed however currently I am getting "one"displayed and then the program is breaking out of the select case...
我的要求是如果cmd = "ONE"我需要 "one"然后"two"显示但是目前我正在"one"显示然后程序打破了选择案例......
回答by manji
Select Case cmd
case "ONE", "TWO":
if cmd = "ONE" THEN
MsgBox "one"
end if
MsgBox "two"
case "THREE": MsgBox "three"
End select
回答by Kevin Boyd
Some if could do the job:
一些如果可以完成这项工作：
If cmd = "ONE" Then
MsgBox "one"
cmd = "TWO"
End If
If cmd = "TWO" Then
MsgBox "two"
cmd = "THREE"
End If
If Cmd = "THREE" Then
MsgBox "three"
End If
回答by Lance Roberts
You'll just have to do it the long way.
你只需要长途跋涉。
Select Case cmd
case "ONE": MsgBox "one"
MsgBox "two"
MsgBox "three"
case "TWO": MsgBox "two"
MsgBox "three"
case "THREE": MsgBox "three"
End select
回答by JimmyPena
Why use Select Case for this? All you're doing is printing the lower-case version of whatever value 'cmd' is.
为什么要为此使用 Select Case？您所做的就是打印任何值 'cmd' 的小写版本。
If cmd = "ONE" Then
MsgBox LCase$(cmd)
MsgBox "two"
Else
Msgbox LCase$(cmd)
End If
回答by Stephen Fluharty
GoTo would work well, I think.
GoTo 会很好用，我想。
Select Case cmd
Case "ONE"
MsgBox "one"
GoTo AfterONE:
Case "TWO"
AfterONE:
MsgBox "two"
Case "THREE"
MsgBox "three"
End Select
It works; I tested it.
有用; 我测试了它。
回答by unDeadHerbs
I also had this problem recently.
我最近也有这个问题。
I found the most readable and scale-able solution was to create a basic state-machine.
我发现最具可读性和可扩展性的解决方案是创建一个基本的状态机。
Simply wrap the Selectin a Whileand end each case with which case is next.
只需将Selecta包裹起来，While然后以下一个案例结束每个案例。
While cmd <> ""
Select Case cmd
Case "ONE"
MsgBox "one"
cmd = "TWO"
Case "TWO"
MsgBox "two"
cmd = ""
Case "THREE"
MsgBox "three"
cmd = ""
End Select
Wend
回答by Michael Todd
That is by design. http://msdn.microsoft.com/en-us/library/ee177199%28PROT.10%29.aspx
那是设计使然。http://msdn.microsoft.com/en-us/library/ee177199%28PROT.10%29.aspx
You could try using 'goto' or procedure calls to get around it.
您可以尝试使用“goto”或过程调用来绕过它。
