getcode.asp

功能介绍： 1、产品入库

<%@CodePage="65001"%>
<%
Call Com_CreatValidCode("GetCode")

Sub Com_CreatValidCode(pSN)
	' 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 = 4 ' 杂点出现的机率
	Const cAmount = 10 ' 文字数量
	Const cCode = "0123456789"

	' 颜色的数据(字符，背景)
	Dim vColorData(1),vColorRandom(10)
	'vColorData(0) = ChrB(Int(Rnd*155)+100) & ChrB(Int(Rnd*155)+100) & ChrB(Int(Rnd*155)+100) ' 蓝0，绿0，红0（黑色）
	vColorRandom(0)=ChrB(150) & ChrB(0) & ChrB(0)
	vColorRandom(1)=ChrB(0) & ChrB(150) & ChrB(0)
	vColorRandom(2)=ChrB(0) & ChrB(0) & ChrB(150)
	vColorRandom(3)=ChrB(0) & ChrB(50) & ChrB(150)
	vColorRandom(4)=ChrB(150) & ChrB(50) & ChrB(0)
	vColorRandom(5)=ChrB(150) & ChrB(0) & ChrB(150)
	vColorRandom(6)=ChrB(150) & ChrB(100) & ChrB(10)
	vColorRandom(7)=ChrB(150) & ChrB(40) & ChrB(120)
	vColorRandom(8)=ChrB(150) & ChrB(0) & ChrB(250)
	vColorRandom(9)=ChrB(100) & ChrB(100) & ChrB(100)
	vColorRandom(10)=ChrB(50) & ChrB(50) & ChrB(50)
	vColorData(0) = vColorRandom(0)
	vColorData(1) = ChrB(250) & ChrB(250) & ChrB(255) '背景色 蓝250，绿236，红211（浅蓝色）
	' 随机产生字符
	Dim vCode(4),vCodes,vCodeColors(4)
	For i = 0 To 3
	    vCodeColors(i)=vColorRandom(Int(Rnd * 10))
		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
				vColorData(0)=vCodeColors(ii)
				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
%>