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1、算法说明 1) 十进制正整数m转换为R（2－16）进制的字符串。
思路： 将m不断除r取余数，直到商为0，将余数反序即得到结果。
算法实现：
Private Function Tran(ByVal m As Integer, ByVal r As Integer) As String
Dim StrDtoR As String, n As Integer
Do While m <> o
n = m Mod r
m = m r
If n > 9 Then
StrDtoR = Chr(65 + n - 10) & StrDtoR
Else
StrDtoR = n & StrDtoR
End If
Loop
Tran = StrDtoR
End Function
2) R（2－16）进制字符串转换为十进制正整数。
思路：R进制数每位数字乘以权值之和即为十进制数。
算法实现：
Private Function Tran(ByVal s As String, ByVal r As Integer) As integer
Dim n As Integer, dec As Integer
s = UCase(Trim(s))
For i% = 1 To Len(s)
If Mid(s, i, 1) >= "A" Then
n = Asc(Mid(s, i, 1)) - Asc("A") + 10
Else
n = Val(Mid(s, i, 1))
End If
dec = dec + n * r ^ (Len(s) - i)
Next i
Tran = dec
End Function 首页 1 2 尾页
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