Question

您好我正在尝试在php中制作电子邮件激活脚本，您在上面看到的内容（2aad888f2b4ac316b016a9a0bda1c329）是此用户唯一的激活密钥。您认为问题是什么？这是我的新代码：

<?php

$host="localhost"; 
$username="root"; 
$password="power1"; 
$db_name="members"; 
$tbl_name="users";

$link  = mysql_connect($host, $username, $password)or die("cannot connect. Please contact us");
mysql_select_db($db_name)or die("cannot select DB. Please contact us");

$queryString = $_SERVER['QUERY_STRING'];

if(isset($_SESSION[$queryString])) {
$query = "SELECT * FROM users WHERE email='$_SESSION[$queryString]'";
$result = mysql_query($query) or die(mysql_error());
while($row = mysql_fetch_array($result)){
    if ($queryString == $row[activationkey]){
        echo "Congratulations! You have succesfully activated you account. You may now login.";

        $sql = ("UPDATE users SET activationkey='' AND status='activated' WHERE username=".$row['username']);

        if (!mysql_query($sql)) {
            die('Error: ' . mysql_error());
        }
    }
}
}


?>

Answer 1

$_SESSION['2aad888f2b4ac316b016a9a0bda1c329']不存在。

“但是不能存在，因为密钥并不总是存在那些密钥是随机的”

然后你的错误出现在这一行，无论如何都试图访问该密钥：

$uemail = $_SESSION["$queryString"];

也许您需要在访问密钥之前检查密钥是否确实存在，或者在程序逻辑中更改某些内容以防止出现这种情况。

Answer 2

$host="localhost"; 
$username="root"; 
$password="power1"; 
$db_name="members"; 
$tbl_name="users";

$link  = mysql_connect($host, $username, $password)or die("cannot connect. Please contact us");
mysql_select_db($db_name)or die("cannot select DB. Please contact us");

$queryString = $_SERVER['QUERY_STRING'];

if(isset($_SESSION["$queryString")) {
    $query = "SELECT * FROM users WHERE email='$_SESSION["$queryString"]'";
    $result = mysql_query($query) or die(mysql_error());
    while($row = mysql_fetch_array($result)){
        if ($queryString == $row[activationkey]){
            echo "Congratulations! You have succesfully activated you account. You may now login.";

            $sql = ("UPDATE users SET activationkey='' AND status='activated' WHERE username=".$row['username']);

            if (!mysql_query($sql)) {
                die('Error: ' . mysql_error());
            }
        }
    }
}

注意：第16行的未定义索引：2aad888f2b4ac316b016a9a0bda1c329

2 个答案: