- <%
- 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) = "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"
- vNumberData(12) = "1110000011110111101110111110111011111111101111111110111111111011111111101111101111011101111110001111"
- vNumberData(13) = "1000001111110111011111011110111101111011110111101111011110111101111011110111101111011101111000001111"
- vNumberData(14) = "1000000111110111101111011011111101101111110000111111011011111101101111110111111111011110111000000111"
- vNumberData(15) = "1000000111110111101111011011111101101111110000111111011011111101101111110111111111011111111000111111"
- vNumberData(16) = "1110000111110111011110111101111011111111101111111110111111111011100011101111011111011101111110001111"
- vNumberData(17) = "1000100011110111011111011101111101110111110000011111011101111101110111110111011111011101111000100011"
- vNumberData(18) = "1100000111111101111111110111111111011111111101111111110111111111011111111101111111110111111100000111"
- vNumberData(19) = "1110000011111110111111111011111111101111111110111111111011111111101111111110111110111011111000011111"
- vNumberData(20) = "1000100011110111011111011011111101011111110001111111010111111101101111110110111111011101111000100011"
- vNumberData(21) = "1000111111110111111111011111111101111111110111111111011111111101111111110111111111011110111000000011"
- vNumberData(22) = "1000100011110010011111001001111100100111110101011111010101111101010111110101011111010101111001010011"
- vNumberData(23) = "1000100011110011011111001101111101010111110101011111010101111101100111110110011111011001111000110111"
- vNumberData(24) = "1110001111110111011110111110111011111011101111101110111110111011111011101111101111011101111110001111"
- vNumberData(25) = "1000000111110111101111011110111101111011110000011111011111111101111111110111111111011111111000111111"
- vNumberData(26) = "1110001111110111011110111110111011111011101111101110111110111011111011101001101111011001111110001011"
- vNumberData(27) = "1000001111110111011111011101111101110111110000111111010111111101101111110110111111011101111000110011"
- vNumberData(28) = "1110000011110111101111011110111101111111111001111111111001111111111011110111101111011110111100000111"
- vNumberData(29) = "1000000011101101101111110111111111011111111101111111110111111111011111111101111111110111111110001111"
- vNumberData(30) = "1000100011110111011111011101111101110111110111011111011101111101110111110111011111011101111110001111"
- vNumberData(31) = "1000100011110111011111011101111101110111111010111111101011111110101111111010111111110111111111011111"
- vNumberData(32) = "1001010011110101011111010101111101010111110101011111001001111110101111111010111111101011111110101111"
- vNumberData(33) = "1000100011110111011111101011111110101111111101111111110111111110101111111010111111011101111000100011"
- vNumberData(34) = "1000100011110111011111011101111110101111111010111111110111111111011111111101111111110111111110001111"
- vNumberData(35) = "1100000011110111011111111101111111101111111110111111110111111111011111111011111111101110111100000011"
- ' 输出图像文件头
- Response.BinaryWrite ChrB(66) & ChrB(77) & ChrB(230) & ChrB(4) & ChrB(0) & ChrB(0) & 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(40) & 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(176) & ChrB(4) &_
- ChrB(0) & ChrB(0) & ChrB(18) & ChrB(11) & ChrB(0) & ChrB(0) & ChrB(18) & ChrB(11) &_
- 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 3 ' 历经所有字
- For iii = 1 To 10 ' 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 vColorData(0)
- Else
- Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 10 + iii, 1))
- End If
- Next
- Next
- Next
- End Sub
- %>
asp输出bmp
2019-10-18 11:14asp代码网 ASP教程
asp输出bmp的代码分享,需要的朋友可以参考一下。
延伸 · 阅读
- 2019-10-18ASP调用带参数存储过程的几种方式
- 2019-10-18ASP连接数据库的全能代码
- 2019-10-18ASP面向对象编程探讨及比较
- 2019-10-18ASP错误处理
- 2019-10-18利用ASP实现事务处理的方法
- 2019-10-18在ASP处理程序时显示进度
精彩推荐
- ASP教程
asp重定向页面的方法总结
这篇文章主要为大家介绍了asp重定向页面的方法,需要的朋友可以参考下.....
- ASP教程
ASP 获取腾讯IP地址的代码
ASP 获取腾讯IP地址的代码 用ASP来存储,从上面读取出来的数据。...
- ASP教程
ASP常用源代码的总结(下)
本文再和大家分享一些ASP程序设计中经常用到的源代码。适合初学者阅读。希望对你有帮助,一起来看吧!...
- ASP教程
ASP动态级联菜单实现代码
asp级联菜单效果代码 ...
- ASP教程
asp fso操作类
Fso类实现代码,学习asp类的朋友可以参考下。这个代码比较老了。...
- ASP教程
关于ASP eof与bof 区别分析
asp下经常使用eof或bof来验证是否是记录的最后等判断大家可以参考下面的区别。...
- ASP教程
通过表单的做为二进制文件上传request.totalbytes提取出上传的二级
通过表单的做为二进制文件上传request.totalbytes提取出上传的二级制数据的代码说明。...
- ASP教程
Asp常见挂马方式大总结
这篇文章指在告诉大家坏人经常使用的网页挂马方式,从而可以对自己的网页进行防范,只要检测这些经常被用于挂马的地方,很容易找到木马的所在。...