以下为引用的内容:
<% Call Com_CreatValidCode(Request.QueryString("tel")) Public Sub Com_CreatValidCode(pTel) '----------禁止缓存 Response.Expires = 0 Response.AddHeader "Pragma","no-cache" Response.AddHeader "cache-ctrol","no-cache" Response.ContentType = "Image/BMP" Randomize Dim i, ii, iii ,rndColor,strLen,sql,rs Const cOdds = 5 '------------杂点出现的机率 Const str="0123456789-" strLen = len(pTel) rndColor = ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) & ChrB(cint(rnd*255)) '-----------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(255) & ChrB(255) & ChrB(255) '----蓝250,绿236,红211(浅蓝色) 'vColorData(0) = ChrB(197) & ChrB(106) & ChrB(49) '---- 蓝0,绿0,红0(黑色) 'vColorData(1) = ChrB(238) & ChrB(210) & ChrB(193) '-----蓝250,绿236,红211(浅蓝色) vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) '---------蓝0,绿0,红0(黑色) vColorData(1) = ChrB(205) & ChrB(237) & ChrB(245) '------------蓝250,绿236,红211(浅蓝色)
'--------------------随机产生字符 Randomize Dim vCode() redim vCode(strLen-1) For i = 0 To strLen-1 vCode(i) =instr(1,str,mid(pTel,i+1,1),1)-1 Next
'-----------字符的数据 Dim vNumberData(11) 'Verdana Font vNumberData(0) = "11111111111000111101110111011101110111011101110111011101110111011110001111111111" vNumberData(1) = "11111111111101111110011111110111111101111111011111110111111101111110001111111111" vNumberData(2) = "11111111111000111101110111011101111110111111011111101111110111111100000111111111" vNumberData(3) = "11111111111000111101110111111101111100111111110111111101110111011110001111111111" vNumberData(4) = "11111111111110111111001111101011111010111101101111100001111110111111100111111111" vNumberData(5) = "11111111110000011101111111011111110000111111110111111101110111011110001111111111" vNumberData(6) = "11111111111000111101101111011111110000111101110111011101110111011110001111111111" vNumberData(7) = "11111111110000011101101111111011111101111111011111110111111101111111011111111111" vNumberData(8) = "11111111111000111101110111011101111000111101110111011101110111011110001111111111" vNumberData(9) = "11111111111000111101110111011101110111011110000111111101111011011110000111111111" &nbs
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