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<title>ASP随机生成汉字的方法</title>
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<%Dim i
Dim j
Dim HS
Dim HE
Dim LS
Dim LE
dim Result
Result=""
HS = 177
HE = 247
LS = 161
LE = 254
dim Max_Num
Max_num=65536
Randomize
For i = 1 To 4
temp1=dec2bin(Int((HE - HS) * Rnd()) + HS)
temp2=dec2bin(Int((LE - LS) * Rnd()) + LS)
Result = Result & chr(BinaryToDecimal(temp1 & temp2) - Max_num)
Next
response.write Result & " "
%>
<%
''下面是函数
''-------------------------------------------
Public Function dec2bin(mynum)''十进制到二进制
Dim loopcounter
If mynum >= 2 ^ 31 Then
dec2bin = "Too big"
Exit Function
End If
Do
If (mynum And 2 ^ loopcounter) = 2 ^ loopcounter Then
dec2bin = "1" & dec2bin
Else
dec2bin = "0" & dec2bin
End If
loopcounter = loopcounter + 1
Loop Until 2 ^ loopcounter > mynum
End Function
''-------------------------------------------
Public Function BinaryToDecimal(BinaryValue) ''二进制到十进制的转换
'' Returns the decimal equivalent of a binary number
Dim idx
Dim tmp
Dim result
Dim digits
digits = Len(BinaryValue)
For idx = digits To 1 Step -1
tmp = Mid(BinaryValue,idx,1)
If tmp = "1" Then result = result + 2 ^ (digits - idx)
Next
BinaryToDecimal = result
End Function
%>
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