asp輸出bmp
2024-05-04 10:58:12
供稿：網(wǎng)友
asp輸出bmp
[ 2005-03-06 12:04:25 | 作者: flashsoft ]
字體大小: 大 | 中 | 小
<%
Call Com_CreatValidCode("ValidCode")
Sub Com_CreatValidCode(pSN)
'Author: Layen
'QQ: 84815733
'E-mail: support@ssaw.net
' 禁止緩存
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 ' 雜點(diǎn)出現(xiàn)的機(jī)率
Const cAmount = 36 ' 文字?jǐn)?shù)量
Const cCode = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
' 顏色的數(shù)據(jù)(字符，背景)
Dim vColorData(1)
vColorData(0) = ChrB(0) & ChrB(0) & ChrB(0) ' 藍(lán)0，綠0，紅0（黑色）
vColorData(1) = ChrB(250) & ChrB(236) & ChrB(211) ' 藍(lán)250，綠236，紅211（淺藍(lán)色）
' 隨機(jī)產(chǎn)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 '記錄入Session
' 字符的數(shù)據(jù)
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"
vNumberData(10) = "1111011111111101111111101011111110101111111010111111101011111100000111110111011111011101111000100011"
vNumberData(11) = "1000000111110111101111011110111101110111110000111111011101111101111011110111101111011110111000000111"
