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把网页中的电话号码生成图片的ASP程序

添加时间:2010-1-5
    相关阅读: 网页 ASP 程序

以下是引用片段:

<%
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" 
   vNumberData(10) = "11111111111111111111111111111111111111111100000111111111111111111111111111111111" 
   vNumberData(11) = "11111111111111111111111111111111111111111111111111111111111111111111111111111111" 
   '-----------------输出图像文件头 <br>
   Response.BinaryWrite ChrB(66) & ChrB(77) &chrb(((strLen*8*10*3+54) mod 256)) & chrb(((strLen*8*10*3+54) 256)mod 256) & ChrB((((strLen*8*10*3+54) 256)256)mod 256) & ChrB(((((strLen*8*10*3+54) 256)256)256)mod 256) & 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(strLen*8) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(10) & ChrB(0) &_ 
   ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) 
   '------------------输出图像信息头 
   Response.BinaryWrite ChrB(24) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0)&_
   ChrB((strLen*8*10*3)mod 256)&ChrB(((strLen*8*10*3)256)mod 256)&ChrB((((strLen*8*10*3)256)256)mod 256)&ChrB(((((strLen*8*10*3)256)256)256)mod 256)&_ 
   ChrB(196) & ChrB(14) & ChrB(0) & ChrB(0) & ChrB(196) & ChrB(14)&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   '----------历经所有行 
     For ii = 0 To strLen-1   '-------历经所有字 
       For iii = 1 To 8 '--------历经所有像素 
        '---------逐行、逐字、逐像素地输出图像数据 
        If Rnd * 99 + 1 < cOdds Then '---------随机生成杂点 
           Response.BinaryWrite rndColor
        Else 
           Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 8 + iii, 1)) 
        End If 
       Next 
     Next 
   Next 
End Sub
%>


  将以上代码保存为img.asp,在要显示电话号码的位置插入<img src="img.asp?tel=010-0000000">即可

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