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后台登陆,验证码,总是错误问题。求大家帮我看看。

0
悬赏园豆:50 [待解决问题]

如题,不管怎么输入都是验证码错误。求大侠指点。

登陆页面:

<!--#include file = admin_conn.asp -->
<html>
<!--#include file = language.asp -->
<head>
<title>蓝网网站后台登录</title>
<STYLE type="text/css">
<!--
a:link       {text-decoration: none; font-family: AdobeSm; color: #000000 }
a:visited    {text-decoration: none; color: #000000 }
A:hover      {COLOR: green; FONT-FAMILY: "宋体,MingLiU"; TEXT-DECORATION: underline}
body         {font-size: 9pt; font-family: 宋体,MingLiU, Arial;color: #000000}
TD           {FONT-SIZE: 9pt; FONT-FAMILY: "宋体,MingLiU, Arial";color: #000000;table-layout:fixed;word-break:break-all}
p            {FONT-SIZE: 9pt; FONT-FAMILY: "宋体,MingLiU, Arial";color: #000000}
input        {FONT-SIZE: 9pt; FONT-FAMILY: "宋体,MingLiU, Arial";color: #000000}
body         {margin-top: 0; margin-bottom: 0;margin-left:0;margin-right:0; color: #000000}
select       {FONT-SIZE: 9PT;}
option       {FONT-SIZE: 9pt;}
textarea     {FONT-SIZE: 9pt;}
.STYLE1 {color: #FFFFFF}
-->
</STYLE>
</head>
  
   
<body topmargin="0" leftmargin="0" rightmargin="0" bottommargin="0" marginwidth="0" marginheight="0">

<!--webbot BOT="GeneratedScript" PREVIEW=" " startspan --><script Language="JavaScript" Type="text/javascript"><!--
function FrontPage_Form1_Validator(theForm)
{

  if (theForm.user.value == "")
  {
    alert("请在 用户名 域中输入值。");
    theForm.user.focus();
    return (false);
  }

  if (theForm.user.value.length < 2)
  {
    alert("在 用户名 域中,请至少输入 2 个字符。");
    theForm.user.focus();
    return (false);
  }

  if (theForm.user.value.length > 20)
  {
    alert("在 用户名 域中,请最多输入 20 个字符。");
    theForm.user.focus();
    return (false);
  }

  if (theForm.pass.value == "")
  {
    alert("请在 密码 域中输入值。");
    theForm.pass.focus();
    return (false);
  }

  if (theForm.pass.value.length < 1)
  {
    alert("在 密码 域中,请至少输入 1 个字符。");
    theForm.pass.focus();
    return (false);
  }

  if (theForm.pass.value.length > 20)
  {
    alert("在 密码 域中,请最多输入 20 个字符。");
    theForm.pass.focus();
    return (false);
  }

  if (theForm.XuasYzm.value == "")
  {
    alert("请在 验证码 域中输入值。");
    theForm.XuasYzm.focus();
    return (false);
  }

  if (theForm.XuasYzm.value.length < 4)
  {
    alert("在 验证码 域中,请至少输入 4 个字符。");
    theForm.XuasYzm.focus();
    return (false);
  }

  if (theForm.XuasYzm.value.length > 4)
  {
    alert("在 验证码 域中,请最多输入 4 个字符。");
    theForm.XuasYzm.focus();
    return (false);
  }

  var checkOK = "0123456789-";
  var checkStr = theForm.XuasYzm.value;
  var allValid = true;
  var validGroups = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    allNum += ch;
  }
  if (!allValid)
  {
    alert("在 验证码 域中,只能输入 数字 字符。");
    theForm.XuasYzm.focus();
    return (false);
  }
  return (true);
}
//--></script><!--webbot BOT="GeneratedScript" endspan --><form method="POST" action="admin_login.asp" target=_top onSubmit="return FrontPage_Form1_Validator(this)" language="JavaScript" name="FrontPage_Form1">
<div align="center">
 <table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%" id="table9" >
  <tr>
   <td style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
   <div align="center">
    <table border="0" cellpadding="0" cellspacing="0"  background="img/admin_login.jpg" width="563" height="364" id="table10">
     <tr>
      <td valign="top" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
      <div align="center">
       <div align="center">
        <table border="0" cellpadding="0" cellspacing="0" width="100%" id="table11">
         <tr>
          <td width="207" height="130" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td height="130" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">   <%
   if request("id")="0" then response.write "请填写完整!"
   if request("id")="1" then response.write "用户名或密码错误!"
   if request("id")="3" then response.write "验证码错误"
   if request("id")="8" then response.write "网络超时,或未登录。请重新登录!"
   if request("id")="9" then response.write "正常退出后台管理系统"
   %>   </td>
          <td width="37" height="130" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
         </tr>
         <tr>
          <td width="207" height="111" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td height="111" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
          
          <table border="0" cellpadding="5" cellspacing="0" width="319" id="table12">
           <tr>
            <td width="114" align="center" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
            用户名</td>
            <td width="205" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
<%
  sql = "select * from admin"
  Set rs = Server.CreateObject("ADODB.RecordSet")
  rs.Open sql,conn,1,1
%>
            &nbsp;<!--webbot bot="Validation" s-display-name="用户名" b-value-required="TRUE" i-minimum-length="2" i-maximum-length="20"><input type="text" name="user" size="24" maxlength="20" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000" --><select name="user" id="user">
    <option value="">--- 请选择您的身份 ---</option>
<%do while not rs.eof%>
    <option value="<%=rs("user")%>"><%=rs("user")%></option>
<%
rs.movenext
loop
%>
  </select></td>
           </tr>
           <tr>
            <td width="114" align="center" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
            密 码</td>
            <td width="205" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
            &nbsp;<!--webbot bot="Validation" s-display-name="密码" b-value-required="TRUE" i-minimum-length="5" i-maximum-length="20" --><input type="password" name="pass" size="24" maxlength="20" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000"></td>
           </tr>
           <tr>
            <td width="114" align="center" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
            验证码</td>
            <td width="205" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
            &nbsp;<!--webbot bot="Validation" s-display-name="验证码" s-data-type="Integer" s-number-separators="x" b-value-required="TRUE" i-minimum-length="5" i-maximum-length="5" --><input name="XuasYzm" size="9" maxlength="5" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000">
            <%
            Randomize
            an=""
            an= int((9999-1111+1) * RND +1111)
            session("xuasyzm")=an
            Response.Write an
            %>            </td>
           </tr>
           </table>          </td>
          <td width="37" height="111" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
         </tr>
         <tr>
          <td width="207" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td width="37" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
         </tr>
         <tr>
          <td width="207" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">
          <p align="center">
           <input type="image" src=img/login001.jpg value="提交" name="B1">&nbsp;
           <a href="#" onClick="window.opener=null;window.close()" style="text-decoration: none; font-family: AdobeSm; color: #000000">
           <img border="0" src="img/login002.jpg" width="72" height="21"></a></td>
          <td width="37" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
         </tr>
         <tr>
          <td width="207" height="56" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td height="56" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
          <td width="37" height="56" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all"> </td>
         </tr>
         <tr>
          <td colspan="3" style="font-size: 9pt; font-family: 宋体,MingLiU, Arial; color: #000000; table-layout: fixed; word-break: break-all">&nbsp; <span class="STYLE1">现在的日期和时间:</span><span style="letter-spacing: -1pt">   <font color="#FFBEC6"><%=now()%></font></span>   </td>
         </tr>
        </table>
       </div>
      </div>
      </td>
     </tr>
    </table>
   </div>
   </td>
  </tr>
 </table>
</div>
</form>

</body>

</html>
 
<%
conn.close
set conn=nothing
%>

 

 

判断,请求页面。

<!--#include file = admin_conn.asp -->
<!--#include file = md5.asp -->
<html>

<head>
<!--#include file = language.asp -->
<!--#include file = titleb.asp -->
<title>网站后台登录</title>
</head>

<body>
<%
userip = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If userip = "" Then userip = Request.ServerVariables("REMOTE_ADDR")

Function finddir(filepath)
 finddir=""
 for i=1 to len(filepath)
 if left(right(filepath,i),1)="/" or left(right(filepath,i),1)="\" then
   abc=i
   exit for
 end if
 next
 if abc <> 1 then
 finddir=left(filepath,len(filepath)-abc+1)
 end if
end Function

 

xuasyzm=int(trim(request("xuasyzm")))

if xuasyzm="" then
 Response.Redirect "login.asp?id=3"
end if

if xuasyzm<>session("xuasyzm") then
 Response.Redirect "login.asp?id=3"
end if

session("xuasyzm")=""

if request("user")="" or request("pass")="" then

  conn.close
  set conn=nothing
  Response.Redirect "login.asp?id=0"
 
  else
 
  user=LCase(chkhtm(request("user")))
  pass=md5(chkhtm(trim(request("pass"))))
 
  sql = "select * from admin where [user]='"&user&"' and [pass]='"&pass&"'"
  Set rs = Server.CreateObject("ADODB.RecordSet")
  rs.Open sql,conn,1,1
 
  if rs.recordcount=0 then
    blog=user&"登录系统后台失败。IP是:"&userip&"。"
    addtime=now()
    conn.Execute "insert into [blog] ([content],[addtime]) values('"&blog&"','"&addtime&"')"
    conn.close
    set conn=nothing
    Response.Redirect "login.asp?id=1"
  end if
 
  session("admin__user")=rs("user")
  session("admin__pass")=trim(request("pass"))
  session("dj")=rs("dj")
  blog=rs("user")&"登录系统后台成功。IP是:"&userip&"。"
  addtime=now()
  conn.Execute "insert into [blog] ([content],[addtime]) values('"&blog&"','"&addtime&"')"
  Response.Redirect "admin_index.asp"
 
end if
%>
</body>

</html>
<%
conn.close
set conn=nothing
%>

浪魂丨卡罗马的主页 浪魂丨卡罗马 | 初学一级 | 园豆:100
提问于:2011-09-02 08:52
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所有回答(1)
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你把session("xuasyzm")跟你提交后获取到的xuasyzm都输出来看一下,看是哪儿的问题

artwl | 园豆:16736 (专家六级) | 2011-09-02 09:20
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