文件一.xbm.asp

<!--#includefile="numcode.asp"-->
<%
Response.Buffer=True
WithResponse
 .Expires=-1
 .AddHeader"Pragma","no-cache"
 .AddHeader"cache-ctrol","no-cache"
EndWith

Dimnum
Randomize
num=Int(7999*Rnd+2000)
Session("validateCode")=num

DimImage
DimWidth,Height
Dimdigtal
DimLength
Dimsort
Dimhc
Length=4 
hc=chr(13)&chr(10)

Redimsort(Length)

digital=""
ForI=1ToLength-Len(num)
 digital=digital&"0"
Next
ForI=1ToLen(num)
 digital=digital&Mid(num,I,1)
Next
ForI=1ToLen(digital)
 sort(I)=Mid(digital,I,1)
Next
Width=8*Len(digital)
Height=10

Response.ContentType="image/x-xbitmap"

Image="#definecounter_width"&Width&hc
Image=Image&"#definecounter_height"&Height&hc
Image=Image&"staticunsignedcharcounter_bits[]={"&hc

ForI=1ToHeight
 ForJ=1ToLength
  Image=Image&a(sort(J),I)&","
 Next
Next

Image=Left(Image,Len(Image)-1)
Image=Image&"};"&hc

Response.WriteImage
%>

文件二.numcode.asp
<%
Dima(10,10)

a(0,1)="0x3c"'数字0
a(0,2)="0x66"
a(0,3)="0xc3"
a(0,4)="0xc3"
a(0,5)="0xc3"
a(0,6)="0xc3"
a(0,7)="0xc3"
a(0,8)="0xc3"
a(0,9)="0x66"
a(0,10)="0x3c"

a(1,1)="0x18"'数字1
a(1,2)="0x1c"
a(1,3)="0x18"
a(1,4)="0x18"
a(1,5)="0x18"
a(1,6)="0x18"
a(1,7)="0x18"
a(1,8)="0x18"
a(1,9)="0x18"
a(0,10)="0x7e"

a(2,1)="0x3c"'数字2
a(2,2)="0x66"
a(2,3)="0x60"
a(2,4)="0x60"
a(2,5)="0x30"
a(2,6)="0x18"
a(2,7)="0x0c"
a(2,8)="0x06"
a(2,9)="0x06"
a(2,10)="0x7e"

a(3,1)="0x3c"'数字3
a(3,2)="0x66"
a(3,3)="0xc0"
a(3,4)="0x60"
a(3,5)="0x1c"
a(3,6)="0x60"
a(3,7)="0xc0"
a(3,8)="0xc0"
a(3,9)="0x66"
a(3,10)="0x38"

a(4,1)="0x38"'数字4
a(4,2)="0x3c"
a(4,3)="0x36"
a(4,4)="0x33"
a(4,5)="0x33"
a(4,6)="0x33"
a(4,7)="0xff"
a(4,8)="0x30"
a(4,9)="0x30"
a(4,10)="0xfe"

a(5,1)="0xfe"'数字5
a(5,2)="0xfe"
a(5,3)="0x06"
a(5,4)="0x06"
a(5,5)="0x3e"
a(5,6)="0x60"
a(5,7)="0xc0"
a(5,8)="0xc3"
a(5,9)="0x66"
a(5,10)="0x3c"

a(6,1)="0x60"'数字6
a(6,2)="0x30"
a(6,3)="0x18"
a(6,4)="0x0c"
a(6,5)="0x3e"
a(6,6)="0x63"
a(6,7)="0xc3"
a(6,8)="0xc3"
a(6,9)="0x66"
a(6,10)="0x3c"

a(7,1)="0xff"'数字7
a(7,2)="0xc0"
a(7,3)="0x60"
a(7,4)="0x30"
a(7,5)="0x18"
a(7,6)="0x18"
a(7,7)="0x18"
a(7,8)="0x18"
a(7,9)="0x18"
a(7,10)="0x18"

a(8,1)="0x3c"'数字8
a(8,2)="0x66"
a(8,3)="0xc3"
a(8,4)="0x66"
a(8,5)="0x3c"
a(8,6)="0x66"
a(8,7)="0xc3"
a(8,8)="0xc3"
a(8,9)="0x66"
a(8,10)="0x3c"

a(9,1)="0x3c"'数字9
a(9,2)="0x66"
a(9,3)="0xc3"
a(9,4)="0xc3"
a(9,5)="0x66"
a(9,6)="0x3c"
a(9,7)="0x18"
a(9,8)="0x0c"
a(9,9)="0x06"
a(9,10)="0x03"
%>