日期:2009-10-26  浏览次数:20873 次

Call Com_CreatValidCode("ValidCode")

Sub Com_CreatValidCode(pSN)

     'Author: Layen


     'QQ: 84815733
     'E-mail: support@ssaw.net

 

     ' 禁止缓存
     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 = 8 ' 杂点出现的机率
     Const cAmount = 36 ' 文字数量
     Const cCode = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"

     ' 颜色的数据(字符,背景)
     Dim vColorData(1)
     vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0)  ' 蓝0,绿0,红0(黑色)
     vColorData(1) = ChrB(250) & ChrB(236) & ChrB(211) ' 蓝250,绿236,红211(浅蓝色)

     ' 随机产生字符
     Dim vCode(4), vCodes
     For i = 0 To 3
           vCode(i) = Int(Rnd * cAmount)
           vCodes = vCodes & Mid(cCode, vCode(i) + 1, 1)
     Next

     Session(pSN) = vCodes  '记录入Session

     ' 字符的数据
     Dim vNumberData(35)
     vNumberData(0) = "1110000111110111101111011110111101001011110100101111
010010111101001011110111101111011110111110000111"
     vNumberData(1) = "1111011111110001111111110111111111011111111101111111
110111111111011111111101111111110111111100000111"
     vNumberData(2) = "1110000111110111101111011110111111111011111111011111
111011111111011111111011111111011110111100000011"
     vNumberData(3) = "1110000111110111101111011110111111110111111100111111
111101111111111011110111101111011110111110000111"
     vNumberData(4) = "1111101111111110111111110011111110101111110110111111
011011111100000011111110111111111011111111000011"
     vNumberData(5) = "1100000011110111111111011111111101000111110011101111
111110111111111011110111101111011110111110000111"
     vNumberData(6) = "1111000111111011101111011111111101111111110100011111
001110111101111011110111101111011110111110000111"
     vNumberData(7) = "1100000011110111011111011101111111101111111110111111
110111111111011111111101111111110111111111011111"
     vNumberData(8) = "1110000111110111101111011110111101111011111000011111
101101111101111011110111101111011110111110000111"
     vNumberData(9) = "1110001111110111011111011110111101111011110111001111
100010111111111011111111101111011101111110001111"
     vNumberData(10) = "1111011111111101111111101011111110101111111010111111
101011111100000111110111011111011101111000100011"
     vNumberData(11) = "1000000111110111101111011110111101110111110000111111
011101111101111011110111101111011110111000000111"
     vNumberData(12) = "1110000011110111101110111110111011111111101111111110
111111111011111111101111101111011101111110001111"
     vNumberData(13) = "10000011111101110111110111101111011110111101111011110
11110111101111011110111101111011101111000001111"
     vNumberData(14) = "100000011111011110111101101111