VerifyCode.asp
上传用户:dbstep
上传日期:2022-08-06
资源大小:2803k
文件大小:3k
- <%
- Call Com_CreatValidCode("ValidCode")
- Sub Com_CreatValidCode(pSN)
- ' ֹ
- Response.Expires = -9999
- Response.AddHeader "Pragma","no-cache"
- Response.AddHeader "cache-ctrol","no-cache"
- Response.ContentType = "Image/BMP"
- Randomize
- Dim i, ii, iii
- Const cOdds = 12 ' ӵֵĻ
- Const cAmount = 10 '
- Const cCode = "0123456789"
-
- Dim vColorData(1)
- vColorData(0) = ChrB(1) & ChrB(52) & ChrB(255) ' 152255ɫ
- vColorData(1) = ChrB(110) & ChrB(255) & ChrB(255) ' 255255255ɫ
-
- Dim vCode(4), vCodes
- For i = 0 To 3
- vCode(i) = Int(Rnd * cAmount)
- vCodes = vCodes & Mid(cCode, vCode(i) + 1, 1)
- Next
- session("VerifyCode")=vCodes '¼Session
- session.timeout=10
-
- Dim vNumberData(35)
- vNumberData(0) = "1110000111110111101111011110111101001011110100101111010010111101001011110111101111011110111110000111"
- vNumberData(1) = "1111011111110001111111110111111111011111111101111111110111111111011111111101111111110111111100000111"
- vNumberData(2) = "1110000111110111101111011110111111111011111111011111111011111111011111111011111111011110111100000011"
- vNumberData(3) = "1110000111110111101111011110111111110111111100111111111101111111111011110111101111011110111110000111"
- vNumberData(4) = "1111101111111110111111110011111110101111110110111111011011111100000011111110111111111011111111000011"
- vNumberData(5) = "1100000011110111111111011111111101000111110011101111111110111111111011110111101111011110111110000111"
- vNumberData(6) = "1111000111111011101111011111111101111111110100011111001110111101111011110111101111011110111110000111"
- vNumberData(7) = "1100000011110111011111011101111111101111111110111111110111111111011111111101111111110111111111011111"
- vNumberData(8) = "1110000111110111101111011110111101111011111000011111101101111101111011110111101111011110111110000111"
- vNumberData(9) = "1110001111110111011111011110111101111011110111001111100010111111111011111111101111011101111110001111"
-
- Response.BinaryWrite ChrB(66) & ChrB(77) & ChrB(230) & ChrB(4) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) &_
- ChrB(0) & ChrB(0) & ChrB(54) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) &_
- ChrB(0) & ChrB(0) & ChrB(40) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_
- ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0)
-
- Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(176) & ChrB(4) &_
- ChrB(0) & ChrB(0) & ChrB(18) & ChrB(11) & ChrB(0) & ChrB(0) & ChrB(18) & ChrB(11) &_
- ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) &_
- ChrB(0) & ChrB(0)
- For i = 9 To 0 Step -1 '
- For ii = 0 To 3 '
- For iii = 1 To 10 '
-
- If Rnd * 99 + 1 < cOdds Then ' ӵ
- Response.BinaryWrite vColorData(0)
- Else
- Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 10 + iii, 1))
- End If
- Next
- Next
- Next
- End Sub
- %>