<%
\nOption Explicit ‘ \u663e\u793a\u58f0\u660e<\/p>\n
Class Com_GifCode_Class
\n””””””””””””””””””””””’
\n‘ Author: Layen support@ssaw.net 84815733(QQ)
\n‘ Thanks: Laomi, Laomiao, NetRube
\n‘ 2006-01-02
\n””””””””””””””””””””””’
\nPublic Noisy, Count, Width, Height, Angle, Offset, Border<\/p>\n
Private Graph(), Margin(3)<\/p>\n
Private Sub Class_Initialize()
\nRandomize
\nNoisy = 16 ‘ \u5e72\u6270\u70b9\u51fa\u73b0\u7684\u6982\u7387
\nCount = 4 ‘ \u5b57\u7b26\u6570\u91cf
\nWidth = 80 ‘ \u56fe\u7247\u5bbd\u5ea6
\nHeight = 20 ‘ \u56fe\u7247\u9ad8\u5ea6
\nAngle = 2 ‘ \u89d2\u5ea6\u968f\u673a\u53d8\u5316\u91cf
\nOffset = 20 ‘ \u504f\u79fb\u968f\u673a\u53d8\u5316\u91cf
\nBorder = 1 ‘ \u8fb9\u6846\u5927\u5c0f
\nEnd Sub<\/p>\n
Public Function Create()<\/p>\n
Const cCharSet = "123456789"<\/p>\n
Dim i, x, y<\/p>\n
Dim vValidCode : vValidCode = ""
\nDim vIndex<\/p>\n
ReDim Graph(Width-1, Height-1)<\/p>\n
For i = 0 To Count – 1
\nvIndex = Int(Rnd * Len(cCharSet))
\nvValidCode = vValidCode + Mid(cCharSet, vIndex+1 , 1)
\nSetDraw vIndex, i
\nNext<\/p>\n
Create = vValidCode<\/p>\n
End Function<\/p>\n
Sub SetDot(pX, pY)
\nIf pX * (Width-pX-1) >= 0 And pY * (Height-pY-1) >= 0 Then
\nGraph(pX, pY) = 1
\nEnd If
\nEnd Sub<\/p>\n
Public Sub SetDraw(pIndex, pNumber)<\/p>\n
‘ \u5b57\u7b26\u6570\u636e
\nDim DotData(8)
\nDotData(0) = Array(30, 15, 50, 1, 50, 100)
\nDotData(1) = Array(1 ,34 ,30 ,1 ,71, 1, 100, 34, 1, 100, 93, 100, 100, 86)
\nDotData(2) = Array(1, 1, 100, 1, 42, 42, 100, 70, 50, 100, 1, 70)
\nDotData(3) = Array(100, 73, 6, 73, 75, 6, 75, 100)
\nDotData(4) = Array(100, 1, 1, 1, 1, 50, 50, 35, 100, 55, 100, 80, 50, 100, 1, 95)
\nDotData(5) = Array(100, 20, 70, 1, 20, 1, 1, 30, 1, 80, 30, 100, 70, 100, 100, 80, 100, 60, 70, 50, 30, 50, 1, 60)
\nDotData(6) = Array(6, 26, 6, 6, 100, 6, 53, 100)
\nDotData(7) = Array(100, 30, 100, 20, 70, 1, 30, 1, 1, 20, 1, 30, 100, 70, 100, 80, 70, 100, 30, 100, 1, 80, 1, 70, 100, 30)
\nDotData(8) = Array(1, 80, 30, 100, 80, 100, 100, 70, 100, 20, 70, 1, 30, 1, 1, 20, 1, 40, 30, 50, 70, 50, 100, 40)<\/p>\n
Dim vExtent : vExtent = Width \/ Count
\nMargin(0) = Border + vExtent * (Rnd * Offset) \/ 100 + Margin(1)
\nMargin(1) = vExtent * (pNumber + 1) – Border – vExtent * (Rnd * Offset) \/ 100
\nMargin(2) = Border + Height * (Rnd * Offset) \/ 100
\nMargin(3) = Height – Border – Height * (Rnd * Offset) \/ 100<\/p>\n
Dim vStartX, vEndX, vStartY, vEndY
\nDim vWidth, vHeight, vDX, vDY, vDeltaT<\/p>\n
Dim vAngle, vLength<\/p>\n
vWidth = Int(Margin(1) – Margin(0))<\/p>\n
vHeight = Int(Margin(3) – Margin(2))<\/p>\n
‘ \u8d77\u59cb\u5750\u6807
\nvStartX = Int((DotData(pIndex)(0)-1) * vWidth \/ 100)<\/p>\n
vStartY = Int((DotData(pIndex)(1)-1) * vHeight \/ 100)<\/p>\n
Dim i, j
\nFor i = 1 To UBound(DotData(pIndex), 1)\/2<\/p>\n
If DotData(pIndex)(2*i-2) <> 0 And DotData(pIndex)(2*i) <> 0 Then<\/p>\n
‘ \u7ec8\u70b9\u5750\u6807
\nvEndX = (DotData(pIndex)(2*i)-1) * vWidth \/ 100<\/p>\n
vEndY = (DotData(pIndex)(2*i+1)-1) * vHeight \/ 100<\/p>\n
‘ \u6a2a\u5411\u5dee\u8ddd
\nvDX = vEndX – vStartX
\n‘ \u7eb5\u5411\u5dee\u8ddd
\nvDY = vEndY – vStartY<\/p>\n
‘ \u503e\u659c\u89d2\u5ea6
\nIf vDX = 0 Then
\nvAngle = Sgn(vDY) * 3.14\/2
\nElse
\nvAngle = Atn(vDY \/ vDX)
\nEnd If<\/p>\n
‘ \u4e24\u5750\u6807\u8ddd\u79bb
\nIf Sin(vAngle) = 0 Then
\nvLength = vDX
\nElse
\nvLength = vDY \/ Sin(vAngle)
\nEnd If<\/p>\n
‘ \u968f\u673a\u8f6c\u52a8\u89d2\u5ea6
\nvAngle = vAngle + (Rnd – 0.5) * 2 * Angle * 3.14 * 2 \/ 100<\/p>\n
vDX = Int(Cos(vAngle) * vLength)<\/p>\n
vDY = Int(Sin(vAngle) * vLength)<\/p>\n
If Abs(vDX) > Abs(vDY) Then vDeltaT = Abs(vDX) Else vDeltaT = Abs(vDY)<\/p>\n
For j = 1 To vDeltaT
\nSetDot Margin(0) + vStartX + j * vDX \/ vDeltaT, Margin(2) + vStartY + j * vDY \/ vDeltaT
\nNext<\/p>\n
vStartX = vStartX + vDX<\/p>\n
vStartY = vStartY + vDY
\nEnd If
\nNext
\nEnd Sub<\/p>\n
Public Sub Output()<\/p>\n
Response.Expires = -9999
\nResponse.AddHeader "pragma", "no-cache"
\nResponse.AddHeader "cache-ctrol", "no-cache"
\nResponse.ContentType = "image\/gif"<\/p>\n
‘ \u6587\u4ef6\u7c7b\u578b
\nResponse.BinaryWrite ChrB(Asc("G")) & ChrB(Asc("I")) & ChrB(Asc("F"))
\n‘ \u7248\u672c\u4fe1\u606f
\nResponse.BinaryWrite ChrB(Asc("8")) & ChrB(Asc("9")) & ChrB(Asc("a"))
\n‘ \u903b\u8f91\u5c4f\u5e55\u5bbd\u5ea6
\nResponse.BinaryWrite ChrB(Width Mod 256) & ChrB((Width \\ 256) Mod 256)
\n‘ \u903b\u8f91\u5c4f\u5e55\u9ad8\u5ea6
\nResponse.BinaryWrite ChrB(Height Mod 256) & ChrB((Height \\ 256) Mod 256)<\/p>\n
Response.BinaryWrite ChrB(128) & ChrB(0) & ChrB(0)
\n‘ \u5168\u5c40\u989c\u8272\u5217\u8868
\nResponse.BinaryWrite ChrB(255) & ChrB(255) & ChrB(255)<\/p>\n
Response.BinaryWrite ChrB(0) & ChrB(85) & ChrB(255)<\/p>\n
‘ \u56fe\u8c61\u6807\u8bc6\u7b26
\nResponse.BinaryWrite ChrB(Asc(","))<\/p>\n
Response.BinaryWrite ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)
\n‘ \u56fe\u8c61\u5bbd\u5ea6
\nResponse.BinaryWrite ChrB(Width Mod 256) & ChrB((Width \\ 256) Mod 256)
\n‘ \u56fe\u8c61\u9ad8\u5ea6
\nResponse.BinaryWrite ChrB(Height Mod 256) & ChrB((Height \\ 256) Mod 256)<\/p>\n
Response.BinaryWrite ChrB(0) & ChrB(7) & ChrB(255)<\/p>\n
Dim x, y, i : i = 0
\nFor y = 0 To Height – 1
\nFor x = 0 To Width – 1
\nIf Rnd < Noisy \/ 100 Then
\nResponse.BinaryWrite ChrB(1-Graph(x, y))
\nElse
\nIf x * (x-Width) = 0 Or y * (y-Height) = 0 Then
\nResponse.BinaryWrite ChrB(Graph(x, y))
\nElse
\nIf Graph(x-1, y) = 1 Or Graph(x, y) Or Graph(x, y-1) = 1 Then
\nResponse.BinaryWrite ChrB(1)
\nElse
\nResponse.BinaryWrite ChrB(0)
\nEnd If
\nEnd If
\nEnd If
\nIf (y * Width + x + 1) Mod 126 = 0 Then
\nResponse.BinaryWrite ChrB(128)
\ni = i + 1
\nEnd If
\nIf (y * Width + x + i + 1) Mod 255 = 0 Then
\nIf (Width*Height – y * Width – x – 1) > 255 Then
\nResponse.BinaryWrite ChrB(255)
\nElse
\nResponse.BinaryWrite ChrB(Width * Height Mod 255)
\nEnd If
\nEnd If
\nNext
\nNext
\nResponse.BinaryWrite ChrB(128) & ChrB(0) & ChrB(129) & ChrB(0) & ChrB(59)
\nEnd Sub
\nEnd Class<\/p>\n
Dim mCode
\nSet mCode = New Com_GifCode_Class
\nSession("GetCode") = mCode.Create()
\nmCode.Output()
\nSet mCode = Nothing
\n%><\/p>\n
\u4fdd\u5b58\u6210ASP\u6587\u4ef6\u5373\u53ef\u770b\u89c1\u6548\u679c!<\/b><\/p>\n
Call Com_CreatValidCode("ValidCode")<\/p>\n
Sub Com_CreatValidCode(pSN)<\/p>\n
‘Author: Layen
\n ‘QQ: 84815733
\n ‘E-mail: support@ssaw.net<\/p>\n
‘ \u7981\u6b62\u7f13\u5b58
\n Response.Expires = -9999
\n Response.AddHeader "Pragma","no-cache"
\n Response.AddHeader "cache-ctrol","no-cache"
\n Response.ContentType = "Image\/BMP"<\/p>\n
Randomize<\/p>\n
Dim i, ii, iii<\/p>\n
Const cOdds = 8 ‘ \u6742\u70b9\u51fa\u73b0\u7684\u673a\u7387
\n Const cAmount = 36 ‘ \u6587\u5b57\u6570\u91cf
\n Const cCode = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"<\/p>\n
‘ \u989c\u8272\u7684\u6570\u636e(\u5b57\u7b26\uff0c\u80cc\u666f)
\n Dim vColorData(1)
\n vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) ‘ \u84dd0\uff0c\u7eff0\uff0c\u7ea20\uff08\u9ed1\u8272\uff09
\n vColorData(1) = ChrB(250) & ChrB(236) & ChrB(211) ‘ \u84dd250\uff0c\u7eff236\uff0c\u7ea2211\uff08\u6d45\u84dd\u8272\uff09<\/p>\n
‘ \u968f\u673a\u4ea7\u751f\u5b57\u7b26
\n Dim vCode(4), vCodes
\n For i = 0 To 3
\n vCode(i) = Int(Rnd * cAmount)
\n vCodes = vCodes & Mid(cCode, vCode(i) + 1, 1)
\n Next<\/p>\n
Session(pSN) = vCodes ‘\u8bb0\u5f55\u5165Session<\/p>\n
‘ \u5b57\u7b26\u7684\u6570\u636e
\n Dim vNumberData(35)
\n vNumberData(0) = "1110000111110111101111011110111101001011110100101111
\n010010111101001011110111101111011110111110000111"
\n vNumberData(1) = "1111011111110001111111110111111111011111111101111111
\n110111111111011111111101111111110111111100000111"
\n vNumberData(2) = "1110000111110111101111011110111111111011111111011111
\n111011111111011111111011111111011110111100000011"
\n vNumberData(3) = "1110000111110111101111011110111111110111111100111111
\n111101111111111011110111101111011110111110000111"
\n vNumberData(4) = "1111101111111110111111110011111110101111110110111111
\n011011111100000011111110111111111011111111000011"
\n vNumberData(5) = "1100000011110111111111011111111101000111110011101111
\n111110111111111011110111101111011110111110000111"
\n vNumberData(6) = "1111000111111011101111011111111101111111110100011111
\n001110111101111011110111101111011110111110000111"
\n vNumberData(7) = "1100000011110111011111011101111111101111111110111111
\n110111111111011111111101111111110111111111011111"
\n vNumberData(8) = "1110000111110111101111011110111101111011111000011111
\n101101111101111011110111101111011110111110000111"
\n vNumberData(9) = "1110001111110111011111011110111101111011110111001111
\n100010111111111011111111101111011101111110001111"
\n vNumberData(10) = "1111011111111101111111101011111110101111111010111111
\n101011111100000111110111011111011101111000100011"
\n vNumberData(11) = "1000000111110111101111011110111101110111110000111111
\n011101111101111011110111101111011110111000000111"
\n vNumberData(12) = "1110000011110111101110111110111011111111101111111110
\n111111111011111111101111101111011101111110001111"
\n vNumberData(13) = "10000011111101110111110111101111011110111101111011110
\n11110111101111011110111101111011101111000001111"
\n vNumberData(14) = "10000001111101111011110110111111011011111100001111110
\n11011111101101111110111111111011110111000000111"
\n vNumberData(15) = "10000001111101111011110110111111011011111100001111110
\n11011111101101111110111111111011111111000111111"
\n vNumberData(16) = "11100001111101110111101111011110111111111011111111101
\n11111111011100011101111011111011101111110001111"
\n vNumberData(17) = "10001000111101110111110111011111011101111100000111110
\n11101111101110111110111011111011101111000100011"
\n vNumberData(18) = "11000001111111011111111101111111110111111111011111111
\n10111111111011111111101111111110111111100000111"
\n vNumberData(19) = "11100000111111101111111110111111111011111111101111111
\n11011111111101111111110111110111011111000011111"
\n vNumberData(20) = "10001000111101110111110110111111010111111100011111110
\n10111111101101111110110111111011101111000100011"
\n vNumberData(21) = "10001111111101111111110111111111011111111101111111110
\n11111111101111111110111111111011110111000000011"
\n vNumberData(22) = "10001000111100100111110010011111001001111101010111110
\n10101111101010111110101011111010101111001010011"
\n vNumberData(23) = "10001000111100110111110011011111010101111101010111110
\n10101111101100111110110011111011001111000110111"
\n vNumberData(24) = "11100011111101110111101111101110111110111011111011101
\n11110111011111011101111101111011101111110001111"
\n vNumberData(25) = "10000001111101111011110111101111011110111100000111110
\n11111111101111111110111111111011111111000111111"
\n vNumberData(26) = "11100011111101110111101111101110111110111011111011101
\n11110111011111011101001101111011001111110001011"
\n vNumberData(27) = "10000011111101110111110111011111011101111100001111110
\n10111111101101111110110111111011101111000110011"
\n vNumberData(28) = "11100000111101111011110111101111011111111110011111111
\n11001111111111011110111101111011110111100000111"
\n vNumberData(29) = "10000000111011011011111101111111110111111111011111111
\n10111111111011111111101111111110111111110001111"
\n vNumberData(30) = "10001000111101110111110111011111011101111101110111110
\n11101111101110111110111011111011101111110001111"
\n vNumberData(31) = "10001000111101110111110111011111011101111110101111111
\n01011111110101111111010111111110111111111011111"
\n vNumberData(32) = "10010100111101010111110101011111010101111101010111110
\n01001111110101111111010111111101011111110101111"
\n vNumberData(33) = "10001000111101110111111010111111101011111111011111111
\n10111111110101111111010111111011101111000100011"
\n vNumberData(34) = "10001000111101110111110111011111101011111110101111111
\n10111111111011111111101111111110111111110001111"
\n vNumberData(35) = "11000000111101110111111111011111111011111111101111111
\n10111111111011111111011111111101110111100000011"<\/p>\n
‘ \u8f93\u51fa\u56fe\u50cf\u6587\u4ef6\u5934
\n Response.BinaryWrite ChrB(66) & ChrB(77) & ChrB(230) & ChrB(4) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) &_
\n ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
\n ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
\n ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)<\/p>\n
‘ \u8f93\u51fa\u56fe\u50cf\u4fe1\u606f\u5934
\n Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(176) & ChrB(4) &_
\n ChrB(0) & ChrB(0) & ChrB(18) & ChrB(11) & ChrB(0) & ChrB(0) & ChrB(18) & ChrB(11) &_
\n ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) &_
\n ChrB(0) & ChrB(0)<\/p>\n
For i = 9 To 0 Step -1 ‘ \u5386\u7ecf\u6240\u6709\u884c
\n For ii = 0 To 3 ‘ \u5386\u7ecf\u6240\u6709\u5b57
\n For iii = 1 To 10 ‘ \u5386\u7ecf\u6240\u6709\u50cf\u7d20
\n ‘ \u9010\u884c\u3001\u9010\u5b57\u3001\u9010\u50cf\u7d20\u5730\u8f93\u51fa\u56fe\u50cf\u6570\u636e
\n If Rnd * 99 + 1 < cOdds Then ‘ \u968f\u673a\u751f\u6210\u6742\u70b9
\n Response.BinaryWrite vColorData(0)
\n Else
\n Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 10 + iii, 1))
\n End If
\n Next
\n Next
\n Next
\nEnd Sub<\/p>\n
%><\/p>\n","protected":false},"excerpt":{"rendered":"
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