ASP program to generate a picture of the phone number in a Web page

Function: Use ASP program to generate picture format of phone number in the page.

The following is a reference fragment:

The following are the referenced contents: <% Call Com_creatvalidcode (Request.QueryString ("tel")) Public Sub Com_creatvalidcode (Ptel) '----------Prohibit caching 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 ' Probability of the occurrence of the miscellaneous points of the------------ Const str= "0123456789-" StrLen = Len (Ptel) Rndcolor = ChrB (CInt (rnd*255)) & ChrB (CInt (rnd*255)) & ChrB (CInt (rnd*255)) '-----------The color of the data (character, background) Dim Vcolordata (1) ' Vcolordata (0) = ChrB (0) & ChrB (0) & ChrB (0) '----Blue 0, Green 0, Red 0 (black) ' Vcolordata (1) = ChrB (255) & ChrB (255) & ChrB (255) '----blue 250, green 236, red 211 (light blue) ' Vcolordata (0) = ChrB (197) & ChrB (0) & ChrB () '----blue 0, Green, Red 0 (black) ' Vcolordata (1) = ChrB (238) & ChrB (210) & ChrB (193) '-----Blue 250, green 236, red 211 (light blue) Vcolordata (0) = ChrB (0) & ChrB (0) & ChrB (0) '---------Blue 0, Green 0, Red 0 (black) Vcolordata (1) = ChrB (205) & ChrB (237) & ChrB (245) '------------Blue 250, green 236, red 211 (light blue) '--------------------randomly generated characters 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 '------------character data 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" '-----------------output image file header <br> Response.BinaryWrite ChrB (& ChrB) &AMP;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) mod 256 ) & ChrB (0) & ChrB (0) &_ ChrB (0) & ChrB (0) & ChrB (a) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB () & ChrB (0) &_ ChrB (0) & ChrB (0) & ChrB (strlen*8) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (a) & ChrB (0) &_ ChrB (0) & ChrB (0) & ChrB (1) & ChrB (0) '------------------output Image information header Response.BinaryWrite ChrB & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) &_ ChrB ((strlen*8*10*3) mod 256) &AMP;CHRB (((strlen*8*10*3) \256) mod 256) &AMP;CHRB ((((strlen*8*10*3) \256) \256) mod 256) &AMP;CHRB ((((strlen*8*10*3) \256 \256) \256) mod 256) &_ ChrB (196) & ChrB (a) & ChrB (0) & ChrB (0) & ChrB (196) & ChrB (0) & &AMP;CHRB (0) ChrB ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) & ChrB (0) For i = 9 to 0 Step-1 '----------go through all the lines For II = 0 to strLen-1 '-------after all the words For III = 1 to 8 '--------after all the pixels '---------output image data line by row, verbatim, and pixel-by-byte If Rnd * + 1 < codds Then '---------randomly generated miscellaneous points Response.BinaryWrite Rndcolor Else Response.BinaryWrite Vcolordata (Mid vnumberdata (Vcode (ii)), I * 8 + III, 1)) End If Next Next Next End Sub %>

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