Color check code

zhaozj2021-02-16  127

Usage:

<%

Option expedition

Response.buffer = TRUE

Numcode

Function Numcode ()

Response.expires = -1

Response.addheader "Pragma", "NO-CACHE"

Response.addheader "Cache-Ctrol", "NO-CACHE"

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 ("Body.fix")))

ADOS1.WRITE ADOS.READ (1280)

For i = 0 TO 3

Ados.position = (9-ZIMG (i)) * 320

ADOS1.PSITION = i * 320

ADOS1.WRITE ADOS.READ (320)

NEXT

ADOS.LOADFROMFILE (Server.Mappath ("Head.fix"))

POS = lenb (adoS.read ())

ADOS.PSITION = POS

For i = 0 to 9 Step 1

For j = 0 to 3

ADOS1.PSITION = i * 32 j * 320

ADOS.PSITION = POS 30 * J i * 120

ADOS.WRITE ADOS1.READ (30)

NEXT

NEXT

Response.contentType = "image / bmp"

ADOS.PSITION = 0

Response.binarywrite ads.read ()

ADOS.CLOSE: SET ADOS = Nothing

ADOS1.CLOSE: SET ADOS1 = Nothing

END FUNCTION

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%>

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