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ÔÚÌá½»Ò³ÃæÖÐÑéÖ¤session("GetCode")
<%@CodePage="65001"%>
<%
Call Com_CreatValidCode("GetCode")
Sub Com_CreatValidCode(pSN)
    ' ½ûÖ¹»º´æ
    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 ' ÔÓµã³öÏֵĻúÂÊ
    Const cAmount = 13 ' ÎÄ×ÖÊýÁ¿
    Const cCode = "0123456789+=?"
    ' ÑÕÉ«µÄÊý¾Ý(×Ö·û£¬±³¾°)
    Dim vColorData(1),vColorRandom(10)
    'vColorData(0) = ChrB(Int(Rnd*155)+100) & ChrB(Int(Rnd*155)+100) & ChrB(Int(Rnd*155)+100) ' À¶0£¬ÂÌ0£¬ºì0£¨ºÚÉ«£©
    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) '±³¾°É« À¶250£¬ÂÌ236£¬ºì211£¨Ç³À¶É«£©
    ' Ëæ»ú²úÉú×Ö·û
    Dim vCode(6),vCodes,vCodeColors(6)
    F


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using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Data.SqlClient;
using System.Runtime.InteropServices;
namespace entryclass
{
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