如何从验证码字段中获取与名称和电子邮件字段的错误消息相同的错误消息

时间：2013-03-25 22:15:30

标签： java php

我有这个代码（它是一个时事通讯脚本），我已经为这个脚本制作了我自己的验证码，但是我无法得到验证码的错误信息，以便与错误信息显示在同一个地方。姓名和电子邮件字段。我只能使用java警报消息获取验证码的错误消息，但我不想要那样。验证码代码的字段命名为：kontaktaEditbox2和kontaktaEditbox55。 kontaktaEditbox2是一个只读字段，用于输出6位数的随机代码，而kontaktaEditbox55字段是您在提交到简报之前在rabdom代码中输入的文本字段。

只是为了清楚。名称和电子邮件都在Mysql DB中，但验证码功能只在代码中，它与Mysql DB无关。

这是一个演示网站：http://test3.fcab.se/Easy_newsletter/

希望有人可以提供帮助。

谢谢。

问候。

// Patrik Iden

以下是代码：

<?php
session_start();
$_SESSION['errors']="Wrong Code!";
?>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Language" content="en">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Easy Newsletter Sytem</title>
<meta name="generator" content="WYSIWYG Web Builder 8 - http://www.wysiwygwebbuilder.com">
<style type="text/css">
div#container
{
   width: 1280px;
   position: relative;
   margin-top: 0px;
   margin-left: auto;
   margin-right: auto;
   text-align: left;
}
body
{
   text-align: center;
   margin: 0;
   background-color: #000000;
   color: #000000;
}
</style>
<style type="text/css">
@font-face
{
   font-family: 'Open Sans Condensed Light';
   src: url('opensans-condlight.eot');
   src: url('opensans-condlight.eot?iefix') format('embedded-opentype'),
        url('opensans-condlight.ttf') format('truetype');
}
a
{
   color: #0000FF;
   text-decoration: underline;
}
a:visited
{
   color: #FF0000;
}
a:active
{
   color: #FF0000;
}
a:hover
{
   color: #0000FF;
   text-decoration: underline;
}
a.style1:link
{
   color: #4B4B4B;
}
a.style1:visited
{
   color: #4B4B4B;
   text-decoration: underline;
}
a.style1:active
{
   color: #4B4B4B;
   text-decoration: underline;
}
a.style1:hover
{
   color: #000000;
   text-decoration: underline;
}
</style>
<style type="text/css">
#indexImage1
{
   border: 0px #000000 solid;
}
#indexImage2
{
   border: 0px #000000 solid;
}
#indexImage4
{
   border: 0px #000000 solid;
}
#wb_indexText1 
{
   background-color: transparent;
   border: 0px #000000 solid;
   padding: 0;
}
#wb_indexText1 div
{
   text-align: left;
}
#wb_indexText2 
{
   background-color: transparent;
   border: 0px #000000 solid;
   padding: 0;
}
#wb_indexText2 div
{
   text-align: left;
}
#indexImage3
{
   border: 0px #000000 solid;
}
#wb_indexText3 
{
   background-color: transparent;
   border: 0px #000000 solid;
   padding: 0;
}
#wb_indexText3 div
{
   text-align: left;
}

.error 
{
   color: #FF0000;
}
#kontaktaEditbox2
{
   border: 0px #C0C0C0 solid;
   background-color: transparent;
   color :#FF0000;
   font-family: Verdana;
   font-size: 11px;
   text-align: left;
   vertical-align: middle;
}
</style>
<style type="text/css">
a 
{
  -moz-outline: none 0;
  outline: none 0;
}

</style>


<script type="text/javascript">
<!--
function ValidateindexForm1(theForm)
{
   var regexp;
   regexp = /^[-+]?\d*\.?\d*$/;
   if (!regexp.test(theForm.kontaktaEditbox55.value))
   {
      alert("<?php echo $_SESSION['errors']; ?>");
      theForm.kontaktaEditbox55.focus();
      return false;
   }
   if (theForm.kontaktaEditbox55.value == "")
   {
      alert("<?php echo $_SESSION['errors']; ?>");
      theForm.kontaktaEditbox55.focus();
      return false;
   }
   if (theForm.kontaktaEditbox55.value.length < 6)
   {
      alert("<?php echo $_SESSION['errors']; ?>");
      theForm.kontaktaEditbox55.focus();
      return false;
   }
   if (theForm.kontaktaEditbox55.value.length > 6)
   {
      alert("<?php echo $_SESSION['errors']; ?>");
      theForm.kontaktaEditbox55.focus();
      return false;
   }
if (theForm.kontaktaEditbox55.value != theForm.kontaktaEditbox2.value)
   {
      alert("<?php echo $_SESSION['errors']; ?>");
      theForm.kontaktaEditbox55.focus();
      return false;
   }
   return true;
}
//-->
</script>
<script type="text/javascript">
<!--
function SetStyle(id, className)
{
   var elem=document.getElementById(id);
   if(elem)
   {
      elem.className=className;
   }
}
//-->
</script>
</head>
<body>
<div id="container">
<div id="wb_indexShape1" style="position:absolute;left:99px;top:78px;width:1082px;height:725px;z-index:0;">
<img src="images/index_0001.gif" id="indexShape1" alt="" style="border-width:0;width:1082px;height:725px;"></div>
<div id="wb_indexShape5" style="position:absolute;left:117px;top:548px;width:406px;height:250px;z-index:1;">
<img src="images/index_0005.png" id="indexShape5" alt="" style="border-width:0;width:406px;height:250px;"></div>
<div id="wb_indexExtension1" style="position:absolute;left:144px;top:604px;width:350px;height:165px;z-index:2;">

<?php
  //load configuration
  require("config.php");
?>

<?php  
  //form submitted
  if(isset($_POST["submit"])){
    //connect to database
    @mysql_connect($db_server,$db_user,$db_password) or die("Database server connection failed. Check variables \$db_server, \$db_user and \$db_password in config.php");
    @mysql_select_db($db_name) or die("Selecting database failed. Check variable \$db_name in config.php");



    $name = $_POST["name"];
    $email = $_POST["email"];



    //subscribe
    if($_POST["action"]=="subscribe"){
      //check if name is long enough
      if(strlen($name)<3){
        ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">Name must consist of at least 3 characters.</div><?php
     //check if email is valid
      }else if(!eregi("^[0-9a-z]([-_.]?[0-9a-z])*@[0-9a-z]([-.]?[0-9a-z])*\\.[a-z]{2,3}$",$email)){
        ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">Email address is not valid.</div><?php
     //check if email already exists
      }else if(@mysql_num_rows(@mysql_query("SELECT id FROM $db_table WHERE email='$email';"))){
        ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">Email address exists already.</div>




      <?php
       //insert values
      }else{
        @mysql_query("INSERT INTO $db_table (email,name) VALUES ('$email','$name');");

        //error occurred
        if(@mysql_error()){
          ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">An unknown error occurred. Please try again later.</div><?php
        //successful
        }else{
          ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">Subscription was successful. Thank you!</div><?php
        }
      }
    //unsubscribe
    }else{
      @mysql_query("DELETE FROM $db_table WHERE email='$email';");

      //error occurred
      if(@mysql_error()){
        ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">An unknown error occurred. Please try again later.</div><?php
      //email not found
      }else if(@mysql_affected_rows()==0){
        ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">Email address not found.</div><?php
      //successful
      }else{
        ?><div><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">You have unsubscribed successfully!</div><?php
      }
    }
  }
?>

<?php
   //close database connection
  @mysql_close();
?>

<form name="indexForm1" method="post" action="<?php echo basename(__FILE__); ?>" enctype="multipart/form-data" id="indexForm1" onsubmit="return ValidateindexForm1(this)">
  <table>
      <td><div style="color:#000000;font-family:'Open Sans Condensed Light';font-size:15px;">Your name:</td></div>
      <td><input type="text" name="name" value="" style="width:186px; maxlength="255"></td>
    </tr>
    <tr>
      <td><div style="color:#000000;font-family:'Open Sans Condensed Light';font-size:15px;">Your email address:</td></div>
      <td><div align="right"><input type="text" name="email" value="" style="width:186px; maxlength="255"></td></div>
    </tr>
    <tr>
<td><div style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:16px;">State this code:  
  <input type="number" id="kontaktaEditbox2" style="width:50px;font-family:'Open Sans Condensed Light';font-size:14px;z-index:2" name="kontaktaEditbox2" value="<?php $random = substr(number_format(time() * rand(),0,'',''),0,6); echo $random?>" readonly="readonly" autocomplete="off">  <input type="number" id="kontaktaEditbox55" style="width:187px; position:absolute;" name="kontaktaEditbox55" value="" maxlength="6" autocomplete="off"></td></div>

</tr>
    <tr>
<td>&nbsp;</td>
      <td><input type="radio" name="action" value="subscribe" id="action_subscribe" checked> <label for="action_subscribe"><span style="color:#000000;font-family:'Open Sans Condensed Light';font-size:14px;">Subscribe</label>&nbsp;<input type="radio" name="action" value="unsubscribe" id="action_unsubscribe"> <label for="action_unsubscribe">Unsubscribe</label><div align="right"></td>
   </tr>
      <td>&nbsp;</td>
      <td><div align="right"><input type="submit" name="submit" style="color:#000000;font-family:'Open Sans Condensed Light';font-size:14px;value="subscribe"></td></div>
    </tr>
<td><span style="color:#FF0000;font-family:'Open Sans Condensed Light';font-size:12px;"><a href="admin.php"> Admin area - Login </a></span></td>
</table>
</form>
</div>
<div id="wb_indexShape2" style="position:absolute;left:129px;top:93px;width:1022px;height:80px;z-index:3;">
<img src="images/index_0002.gif" id="indexShape2" alt="" style="border-width:0;width:1022px;height:80px;"></div>
<div id="wb_indexShape3" style="position:absolute;left:115px;top:174px;width:1050px;height:380px;z-index:4;">
<img src="images/index_0004.png" id="indexShape3" alt="" style="border-width:0;width:1050px;height:380px;"></div>
<div id="wb_indexImage1" style="position:absolute;left:1073px;top:98px;width:70px;height:68px;visibility:hidden;z-index:5;">
<img src="images/mail.png" id="indexImage1" alt="" border="0" style="width:70px;height:68px;"></div>
<div id="wb_indexImage2" style="position:absolute;left:1140px;top:378px;width:0px;height:0px;z-index:6;">
<img src="" id="indexImage2" alt="" border="0" style="width:0px;height:0px;"></div>
<div id="wb_indexImage4" style="position:absolute;left:626px;top:300px;width:506px;height:240px;opacity:0.50;-moz-opacity:0.50;-khtml-opacity:0.50;filter:alpha(opacity=50);z-index:7;">
<img src="images/photodune-1614598-mail-concept-s.jpg" id="indexImage4" alt="" border="0" style="width:506px;height:240px;"></div>
<div id="wb_indexShape8" style="position:absolute;left:130px;top:188px;width:1020px;height:53px;z-index:8;">
<img src="images/index_0007.gif" id="indexShape8" alt="" style="border-width:0;width:1020px;height:53px;"></div>
<div id="wb_indexText1" style="position:absolute;left:150px;top:200px;width:825px;height:313px;z-index:9;text-align:left;">
<span style="color:#000000;font-family:'Open Sans Condensed Light';font-size:21px;">Description of the Easy Newsletter System</span><span style="color:#000000;font-family:Arial;font-size:21px;"><br></span><span style="color:#000000;font-family:Arial;font-size:13px;"><br><br></span><span style="color:#4B4B4B;font-family:'Open Sans Condensed Light';font-size:17px;">Hello, This is a small yet powerfull Newsletter system, with Admin login to send a message to all the users that have subscribed to your Newsletter.<br>In the Admin area you can: Write a standard message to send to all users, You can add users and you can delete users. Users are automaticly deleted from email list when unsubscribed.<br><br>Original script from: <a href="http://www.plohni.com/wb/content/php/Free_scripts.php" target="_blank" class="style1">http://www.plohni.com/wb/content/php/Free_scripts.php</a><br><br>Hope you like this extension, and that you have some use for it.<br><br>Regards<br><br>//Patrik Iden</span></div>
<div id="wb_indexShape4" style="position:absolute;left:758px;top:548px;width:406px;height:250px;z-index:10;">
<img src="images/index_0003.png" id="indexShape4" alt="" style="border-width:0;width:406px;height:250px;"></div>
<div id="wb_indexShape7" style="position:absolute;left:772px;top:562px;width:378px;height:36px;z-index:11;">
<img src="images/index_0008.gif" id="indexShape7" alt="" style="border-width:0;width:378px;height:36px;"></div>
<div id="wb_indexText2" style="position:absolute;left:784px;top:566px;width:347px;height:106px;z-index:12;text-align:left;">
<span style="color:#000000;font-family:'Open Sans Condensed Light';font-size:19px;">Download</span><span style="color:#000000;font-family:'Open Sans Condensed Light';font-size:13px;"><br><br><br></span><span style="color:#4B4B4B;font-family:'Open Sans Condensed Light';font-size:16px;">Download this extension incl, all the source files:<br><a href="http://dl.dropbox.com/u/3182310/Easy_Newsletter.rar" class="style1">http://dl.dropbox.com/u/3182310/Easy_Newsletter.rar</a></span></div>
<div id="wb_indexExtension2" style="position:absolute;left:854px;top:190px;width:290px;height:53px;z-index:13;">
</div>
<div id="wb_indexImage3" style="position:absolute;left:1117px;top:564px;width:30px;height:30px;z-index:14;">
<a href="http://dl.dropbox.com/u/3182310/Easy_Newsletter.rar" target="_self"><img src="images/Button_Down.png" id="indexImage3" alt="" border="0" style="width:30px;height:30px;"></a></div>
<div id="wb_indexImage5" style="position:absolute;left:538px;top:617px;width:208px;height:111px;z-index:15;">
<img src="images/index_0006.png" id="indexImage5" alt="" border="0" style="width:208px;height:111px;"></div>
<div id="wb_indexShape6" style="position:absolute;left:131px;top:562px;width:378px;height:36px;z-index:16;">
<img src="images/index_0009.gif" id="indexShape6" alt="" style="border-width:0;width:378px;height:36px;"></div>
<div id="wb_indexText3" style="position:absolute;left:146px;top:566px;width:314px;height:26px;z-index:17;text-align:left;">
<span style="color:#000000;font-family:'Open Sans Condensed Light';font-size:19px;">Newsletter</span>
</div>
</body>
</html>

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