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----  [求助]文档里的select case改下类型会报错以及如何处理小数  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=152685)
--  作者：忆似水流年
--  发布时间：2020/7/18 14:03:00
--  [求助]文档里的select case改下类型会报错以及如何处理小数
文档里的这段代码如果Integer改成Decimal、double会报错，必须是整数么？
另外60.5的时候还是D，但到60.6就是C了，请问下怎么改代码可以忽略小数，比如60.99999999也不会到C，我试着写整除60.999\\1,也不行额
Dim Mark As Integer = 60
Dim Result As String
Select Case Mark
    Case 0 To 40
        Result = "E"
    Case 41 To 60
        Result = "D"
    Case 61 To 70
        Result = "C"
    Case 71 To 90
        Result = "B"
    Case 91 To 100
        Result = "A"
End Select
OutPut.Show(Result)

先谢谢啦：D
--  作者：有点蓝
--  发布时间：2020/7/18 14:41:00
--  
Dim Mark As Double = 60.000000000001
Dim Result As String = ""
Select Case Mark
    Case 0 To 40
        Result = "E"
    Case 40 To 60
        Result = "D"
    Case 60 To 70
        Result = "C"
    Case 70 To 90
        Result = "B"
    Case 90 To 100
        Result = "A"
End Select
OutPut.Show(Result)