<
>鉴于暴力营销已经发到了这里……</P>
<
>推广一下自制的认证码加强补丁……</P>
<
>测试：</P>
<
><a href="http://learn.tsinghua.edu.cn/homepage/2003012267/test.htm" target="_blank" >
http://learn.tsinghua.edu.cn/homepage/2003012267/test.htm</A></P>
<
>asp文件找不到了
</P>
<
>不过把这个放到dvbbs的getcode.asp里也不难吧</P>
方法：修改getcode.asp
<%
Option Explicit
Response.buffer=true
NumCode
Function NumCode()
Response.Expires = -1
Response.AddHeader "
ragma","no-cache"
Response.AddHeader "cache-ctrol","no-cache"
On Error Resume Next
Dim zNum,i,j
Dim Ados,Ados1
Randomize timer
zNum = cint(8999*Rnd+1000)
Session("GetCode") = zNum
Dim zimg(4),NStr
NStr=cstr(zNum)
For i=0 To 3
zimg(i)=cint(mid(NStr,i+1,1))
Next
Dim Pos
Set Ados=Server.CreateObject("Adodb.Stream")
Ados.Mode=3
Ados.Type=1
Ados.Open
Set Ados1=Server.CreateObject("Adodb.Stream")
Ados1.Mode=3
Ados1.Type=1
Ados1.Open
Ados.LoadFromFile(Server.mappath("images/body.Fix"))
Ados1.write Ados.read(1280)
For i=0 To 3
Ados.Position=(9-zimg(i))*320
Ados1.Position=i*320
Ados1.write ados.read(320)
Next
Ados.LoadFromFile(Server.mappath("images/head.fix"))
Pos=lenb(Ados.read())
Ados.Position=Pos
For i=0 To 9 Step 1
For j=0 To 3
Ados1.Position=i*32+j*320
Ados.Position=Pos+30*j+i*120
Ados.write ados1.read(30)
Next
Next
Response.ContentType = "image/BMP"
Ados.Position=0
Response.BinaryWrite Ados.read()
Ados.Close:set Ados=nothing
Ados1.Close:set Ados1=nothing
If Err Then Session("GetCode") = 9999
End Function
'Asp code Created by BlueIdea.COM Web Team V37 2003-7-25
%>
