当前位置: 首页 > 图文教程 > 网络编程 > 编程10000问 > 如何编写一个小数转换分数的函数?

编程10000问
如何让用户再次访问我的网站时不需再提交相关信息?
如何用Cookie进行登录验证?
如何决定是否将登录内容保存到Cookie里?
如何在ASP中恰当地运用Cookies?
如何在Flash中处理Cookies?
怎样使用Cookie跟踪来访者?
可以在线创建文件夹吗?
如何一行行地读取文件?
如何读取文本文件的内容?
如何显示一个文本文件?
如何做一个文本书写器?
如何创建Word文件?
如何遍历目录及目录下的文件?
如何用表单在线建立目录?
如何创建一个PDF文件?
如何通过表单创建一个Word?
如何对文件进行操作?
如何对一个文件夹进行创建和删除?
如何获取文件的名称和扩展名?
如何获知并显示文件的大小?

编程10000问 中的 如何编写一个小数转换分数的函数?


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2010-01-10   浏览: 45 ::
收藏到网摘: n/a

Public Function XtoF(str As Currency, Optional fenm As Integer = 32) As String

' 只限于整除分数.
Dim Cfm As Currency
Dim cfmmod As Integer
On Error GoTo Erroreof
Cfm = 1 / fenm
XtoF = ""
If str = 0 Then XtoF = "": Exit Function
Dim point As Integer
Dim dInt As String
Dim dPoint As Currency
Dim fint, fint1, fint2 As Integer
If str <> 0 Then
If str > 1 Then
point = InStr(1, str, ".", 1)
If point = 0 Then
XtoF = str:
Exit Function
Else
dInt = Mid(str, 1, point - 1)
dPoint = CCur("0." & Mid(str, point + 1))
fint = InStr(1, XtoF(dPoint), "/", 1)
fint1 = CInt(Mid(XtoF(dPoint), 1, fint - 1))
fint2 = CInt(Mid(XtoF(dPoint), fint + 1))
XtoF = CStr(dInt * fint2 + fint1) & "/" & CStr(fint2)
End If
Else
If fenm Mod CInt(str / Cfm) = 0 Then
XtoF = "1/" + CStr(fenm / CInt(str / Cfm))
Else
cfmmod = Maxgys(fenm, CInt(str / Cfm))
XtoF = CStr(CInt(str / Cfm / cfmmod)) + "/" + CStr(CInt(fenm / cfmmod))
End If
End If
Else
XtoF = "0"
End If
Exit Function
Erroreof:
XtoF = ""
End Function
Function Maxgys(num1 As Integer, num2 As Integer) As Integer
Dim minnum, i As Integer
minnum = num1
If num1 > num2 Then minnum = num2
For i = 1 To minnum
If ((num1 Mod i) = 0) And ((num2 Mod i) = 0) Then Maxgys = i
Next i
End Function