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编程论坛 → WEB开发 → 『 ASP技术论坛 』 → [求助]session值显示上个值 己解决!!!
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标题：[求助]session值显示上个值 己解决!!!
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willam
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 问题点数：0 回复次数：3 
[求助]session值显示上个值 己解决!!!

问题:例哪运行第一次，图片代码显示为2198 但我把Session("Code"))的值调出来放在text 里显示为０　验证码写０是对，写2198是错
　　　运行第二次　图片代码显示为8888 但我把Session("Code"))的值调出来放在text 里显示为2198　验证码写2198是对，写8888是错
请问怎么才能解决这个问题,谁来帮我改改啊!!!



 简单来说就是session的值显示上一个值
　

<body>
<form method="POST" name="form1" onSubmit="return checkcode(this)">
<p>
<input type="submit" name="Submit" value="提交" >
<input name="use" type="text" id="use" >
<input type="text" name="goog">
<img src="/code2.asp">

</p>
<%
dim ok
ok=int(Session("Code"))
dim pp
pp ="1234"
%>
<input name="pas" type="text" id="pas" value="<%=ok%>" >
</form>
</body>
</html>
<script language="javascript">

function checkcode(form){
if(form.goog.value!=<%=ok%>)
{
alert("验证码不对!");
return false;
}
}
</script>





--------------------------------------------------------------------------------


<%
Call CreateCode() '调用CreateCode 过程
Sub CreateCode () '定义CreateCode 过程
'AddHeader 方法用于增加带有一个要发送到客户应用程序的特殊的HTTP头
Response.AddHeader "Pragma","no-cache"
Response.AddHeader "cache-ctrol","no-cache"
'指定响应的HTTP 内容类型为"Image/BMP"
Response.ContentType = "Image/BMP"
'生成随机数，因为Rnd 生成一个小于1但大于或等于0的数，所以8999*Rnd +1000 得到的
'随机数为一个四位数
Randomize timer
Code = cint(8999*Rnd+1000)
'将Code 保存在SessionCode("Code")中
Session("Code") = Code
' 定义一个二维数组，保存字符数据
Dim Letter(10,20)
'要显示的字符“0”
Letter(0,0) = "0000000000000000"
Letter(0,1) = "0000111110000000"
Letter(0,2) = "0001111111000000"
Letter(0,3) = "0011100011100000"
Letter(0,4) = "0011000001110000"
Letter(0,5) = "0111000000110000"
Letter(0,6) = "0110000000111000"
Letter(0,7) = "0110000000111000"
Letter(0,8) = "1110000000111000"
Letter(0,9) = "1100000000111000"
Letter(0,10) = "1100000000111000"
Letter(0,11) = "1110000000111000"
Letter(0,12) = "1110000000110000"
Letter(0,13) = "1110000000110000"
Letter(0,14) = "0110000000110000"
Letter(0,15) = "0111000001110000"
Letter(0,15) = "0011100001100000"
Letter(0,16) = "0001111111000000"
Letter(0,17) = "0000111110000000"
Letter(0,18) = "0000000000000000"
Letter(0,19) = "0000000000000000"

'要显示的字符“1”
Letter(1,0) = "0000000000000000"
Letter(1,1) = "0000000111000000"
Letter(1,2) = "0000000111000000"
Letter(1,3) = "0000001110000000"
Letter(1,4) = "0000001100000000"
Letter(1,5) = "0000001100000000"
Letter(1,6) = "0000001100000000"
Letter(1,7) = "0000011100000000"
Letter(1,8) = "0000011100000000"
Letter(1,9) = "0000011100000000"
Letter(1,10) = "0000011000000000"
Letter(1,11) = "0000011000000000"
Letter(1,12) = "0000011000000000"
Letter(1,13) = "0000011000000000"
Letter(1,14) = "0000011000000000"
Letter(1,15) = "0000011000000000"
Letter(1,16) = "0000011000000000"
Letter(1,17) = "0000001000000000"
Letter(1,18) = "0000000000000000"
Letter(1,19) = "0000000000000000"


'要显示的字符“2”
Letter(2,0) = "0000000000000000"
Letter(2,1) = "0000111111000000"
Letter(2,2) = "0001111111100000"
Letter(2,3) = "0011100001110000"
Letter(2,4) = "0111000001110000"
Letter(2,5) = "0111000001100000"
Letter(2,6) = "0110000001100000"
Letter(2,7) = "0000000011100000"
Letter(2,8) = "0000000111000000"
Letter(2,9) = "0000000111000000"
Letter(2,10) = "0000001100000000"
Letter(2,11) = "0000011100000000"
Letter(2,12) = "0000111000000000"
Letter(2,13) = "0001100000000000"
Letter(2,14) = "0001100000000000"
Letter(2,15) = "0011000001110000"
Letter(2,16) = "0110111111110000"
Letter(2,17) = "0111111111111000"
Letter(2,18) = "0111110000000000"
Letter(2,19) = "0000000000000000"

'要显示的字符“3”
Letter(3,0) = "0000000000000000"
Letter(3,1) = "0000111111100000"
Letter(3,2) = "0011111111100000"
Letter(3,3) = "0111000011110000"
Letter(3,4) = "0110000001100000"
Letter(3,5) = "0100000011100000"
Letter(3,6) = "0000000011100000"
Letter(3,7) = "0000000111000000"
Letter(3,8) = "0000001100000000"
Letter(3,9) = "0000011111000000"
Letter(3,10) = "0000010011100000"
Letter(3,11) = "0000000001110000"
Letter(3,12) = "0000000001110000"
Letter(3,13) = "0000000001110000"
Letter(3,14) = "0000000001110000"
Letter(3,15) = "0000000001100000"
Letter(3,16) = "1110000011100000"
Letter(3,17) = "1111111111000000"
Letter(3,18) = "0111111110000000"
Letter(3,19) = "0000000000000000"


'要显示的字符“4”
Letter(4,0) = "0000000000000000"
Letter(4,1) = "0000000011100000"
Letter(4,2) = "0000000111100000"
Letter(4,3) = "0000001110000000"
Letter(4,4) = "0000011101110000"
Letter(4,5) = "0000111001110000"
Letter(4,6) = "0000110001100000"
Letter(4,7) = "0001100011100000"
Letter(4,8) = "0011100011000000"
Letter(4,9) = "0111000011000000"
Letter(4,10) = "0110000011000000"
Letter(4,11) = "0110000011000000"
Letter(4,12) = "1100011111111000"
Letter(4,13) = "1111111111110000"
Letter(4,14) = "1111111110000000"
Letter(4,15) = "1110000110000000"
Letter(4,16) = "0000000111000000"
Letter(4,17) = "0000000011000000"
Letter(4,18) = "0000000011000000"
Letter(4,19) = "0000000010000000"


'要显示的字符“5”
Letter(5,0) = "0000000000000000"
Letter(5,1) = "0000110000010000"
Letter(5,2) = "0001111111111000"
Letter(5,3) = "0001111111110000"
Letter(5,4) = "0001111000000000"
Letter(5,5) = "0001100000000000"
Letter(5,6) = "0011100000000000"
Letter(5,7) = "0011100000000000"
Letter(5,8) = "0011111111000000"
Letter(5,9) = "0011111111100000"
Letter(5,10) = "0000000001100000"
Letter(5,11) = "0000000001100000"
Letter(5,12) = "0000000001100000"
Letter(5,13) = "0000000001100000"
Letter(5,14) = "0000000001100000"
Letter(5,15) = "0000000001100000"
Letter(5,16) = "0000000111100000"
Letter(5,17) = "0111111111000000"
Letter(5,18) = "0011111100000000"
Letter(5,19) = "0000000010000000"


'要显示的字符“6”
Letter(6,0) = "0000000000000000"
Letter(6,1) = "0000001111000000"
Letter(6,2) = "0000011110000000"
Letter(6,3) = "0000111000000000"
Letter(6,4) = "0001110000000000"
Letter(6,5) = "0011100000000000"
Letter(6,6) = "0011000000000000"
Letter(6,7) = "0011000000000000"
Letter(6,8) = "0111111111000000"
Letter(6,9) = "0111111111100000"
Letter(6,10) = "0111000001110000"
Letter(6,11) = "0110000000110000"
Letter(6,12) = "0110000000110000"
Letter(6,13) = "0110000000110000"
Letter(6,14) = "0110000000110000"
Letter(6,15) = "0111000001110000"
Letter(6,16) = "0011000001110000"
Letter(6,17) = "0011111111100000"
Letter(6,18) = "0001111111000000"
Letter(6,19) = "0000000000000000"

'要显示的字符“7”
Letter(7,0) = "0000000000000000"
Letter(7,1) = "0010011111111000"
Letter(7,2) = "0111111111110000"
Letter(7,3) = "0111111001110000"
Letter(7,4) = "0000000001100000"
Letter(7,5) = "0000000011100000"
Letter(7,6) = "0000000011000000"
Letter(7,7) = "0000000011000000"
Letter(7,8) = "0000000011000000"
Letter(7,9) = "0000000111000000"
Letter(7,10) = "0000000110000000"
Letter(7,11) = "0000000110000000"
Letter(7,12) = "0000000110000000"
Letter(7,13) = "0000000110000000"
Letter(7,14) = "0000001110000000"
Letter(7,15) = "0000001110000000"
Letter(7,16) = "0000001110000000"
Letter(7,17) = "0000000100000000"
Letter(7,18) = "0000000100000000"
Letter(7,19) = "0000000000000000"

'要显示的字符“8”
Letter(8,0) = "0000000000000000"
Letter(8,1) = "0000111111000000"
Letter(8,2) = "0001111111100000"
Letter(8,3) = "0011100001100000"
Letter(8,4) = "0011000001100000"
Letter(8,5) = "0111000001110000"
Letter(8,6) = "0111000001100000"
Letter(8,7) = "0011000001100000"
Letter(8,8) = "0011110111100000"
Letter(8,9) = "0001111111100000"
Letter(8,10) = "0011100011110000"
Letter(8,11) = "0111000000110000"
Letter(8,12) = "0111000000110000"
Letter(8,13) = "0110000000111000"
Letter(8,14) = "0110000000110000"
Letter(8,15) = "0110000000110000"
Letter(8,16) = "0111000001110000"
Letter(8,17) = "0011111111110000"
Letter(8,18) = "0001111111000000"
Letter(8,19) = "0000000000000000"

'要显示的字符“9”
Letter(9,0) = "0000000000000000"
Letter(9,1) = "0001111111000000"
Letter(9,2) = "0011111111100000"
Letter(9,3) = "0111000011100000"
Letter(9,4) = "0111000001110000"
Letter(9,5) = "0110000000110000"
Letter(9,6) = "0110000000110000"
Letter(9,7) = "0110000000110000"
Letter(9,8) = "0110000000110000"
Letter(9,9) = "0111000001110000"
Letter(9,10) = "0011111111110000"
Letter(9,11) = "0001111111110000"
Letter(9,12) = "0000000001100000"
Letter(9,13) = "0000000001100000"
Letter(9,14) = "0000000011100000"
Letter(9,15) = "0000000111000000"
Letter(9,16) = "0000001110000000"
Letter(9,17) = "0000011100000000"
Letter(9,18) = "0001111000000000"
Letter(9,19) = "0000000000000000"

'显示一个8位的灰度图
' 输出图像文件头
Response.BinaryWrite ChrB(66) & ChrB(77) & ChrB(54) & ChrB(9) &_
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) &_
ChrB(0) & ChrB(0) & ChrB(54) & ChrB(4) & ChrB(0) & ChrB(0)
' 输出图像信息头
Response.BinaryWrite ChrB(40) & ChrB(0) & ChrB(0) & ChrB(0) &_
ChrB(64) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(20) & ChrB(0) &_
ChrB(0) & ChrB(0) & ChrB(1) & ChrB(0) &ChrB(8) & ChrB(0) & ChrB(0) &_
ChrB(0) & ChrB(0) & ChrB(0) & ChrB(0) & ChrB(5) & 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)
'输出图像调色板
for i = 0 to 255
Response.BinaryWrite ChrB(255-i) & ChrB(255-i) & ChrB(255-i) & ChrB(0)
Next
'输出图像数据
For iTemp1 = 19 to 0 step -1 '图像的每一行
For iTemp2 = 1 to 4 '图像上显示的每一个字
For iTemp3 = 1 to 16 '每个字的每一个像素
'获得Code 第iTemp2 个字符，保存在CodePer 中
CodePer = Mid(Code,iTemp2,1)
'从字符数据Letter 数组中找到CodePer 对应的数组，例如1对应的数组为Letter(1,0) 到Letter(1,19),iTemp 指定具体的行
CodeLetter = Letter(CodePer,iTemp1)
'获得像素值
Pixel = Mid(CodeLetter,iTemp3,1)*255
Response.BinaryWrite ChrB(Pixel)
next
next
next

End Sub
%>



[此贴子已经被作者于2007-8-5 0:05:57编辑过]

搜索更多相关主题的帖子: session　Session　body　
2007-08-04 17:20
ayue222
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<%
Call CreateCode() '调用CreateCode 过程
Sub CreateCode () '定义CreateCode 过程
session("code")=""
 'AddHeader 方法用于增加带有一个要发送到客户应用程序的特殊的HTTP头
Response.AddHeader "Pragma","no-cache"
Response.AddHeader "cache-ctrol","no-cache"
'指定响应的HTTP 内容类型为"Image/BMP"
Response.ContentType = "Image/BMP"
'生成随机数，因为Rnd 生成一个小于1但大于或等于0的数，所以8999*Rnd +1000 得到的
'随机数为一个四位数
Randomize timer
Code = cint(8999*Rnd+1000)
'将Code 保存在SessionCode("Code")中
Session("Code") = Code
' 定义一个二维数组，保存字符数据
Dim Letter(10,20)
2007-08-04 17:23
willam
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帖　子：237
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问题还是一样,,谢谢你的帮助

2007-08-04 17:29
willam
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答案是:
body>
<form method="POST" name="form1" onSubmit="return checkcode(this)">
<p>
<input type="submit" name="Submit" value="提交" >
<input name="use" type="text" id="use" >
<input type="text" name="goog">
<img src="/code2.asp"> img,在打开网页己触发,

所以这个值跟ok=int(Session("Code")) 不一样, ok=int(Session("Code")) 是code2.asp的前一个值?? 问题就在这里了????哈哈,,我己解决了,,大家努力哦
</p>
<%
dim ok
ok=int(Session("Code")) 因为是定义是<% %>是asp的语名,打开网页时没有触发,所以现在的值为0
dim pp
pp ="1234"
%>
<input name="pas" type="text" id="pas" value="<%=ok%>" > 值为0
</form>
</body>
</html>
<script language="javascript">

function checkcode(form){
if(form.goog.value!=<%=ok%>)
{
alert("验证码不对!");
return false;
}
}
</script>

2007-08-05 00:13
快速回复：[求助]session值显示上个值 己解决!!!
数据加载中...
 
　　　



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