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javascript - 使用 PHP MySql 创建更新用户配置文件页面

转载 作者：行者123 更新时间：2023-11-28 11:14:48 25 4
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我已经设法继续我的用户更新页面，并且在我让它从登录用户读取当前详细信息的表单上看起来一切正常，当我单击提交时它说提交成功，然后我坚持这个页面无法返回，我不知道它是否有效，也看不到任何错误消息或任何我能看到的消息。

我是编码的新手，如果我遗漏了任何愚蠢的错误，我深表歉意……请有人帮助我……

这是我的PHP

<?php

include_once("php_includes/check_login_status.php");
session_start();
if (isset($_SESSION['username'])) {
$username = $_SESSION['username'];
}
else {
echo "You have not signed in";
}

// Initialize any variables that the page might echo
$firstname = "";
$surname = "";
$u = "";
$weight = "";
$height = "";
// Make sure the _GET username is set, and sanitize it
if(isset($_GET["u"])){
    $u = preg_replace('#[^a-z0-9]#i', '', $_GET['u']);
} else {
    header("location: index.php");
    exit(); 
}

// Select the member from the users database table
$sql = "SELECT * FROM users WHERE username='$u' AND activated='1' LIMIT 1";
$user_query = mysqli_query($db_conx, $sql);
// check if the user exists in the database
$numrows = mysqli_num_rows($user_query);
if($numrows < 1){
   echo "That user does not exist or is not yet activated, press back";
exit(); 
}

while ($row = mysqli_fetch_array($user_query, MYSQLI_ASSOC)) {
$firstname = $row["firstname"];
$surname = $row["surname"];
$weight = $row["weight"];
$height = $row["height"];
$profile_id = $row["id"];
$u = $row["u"];
}

// this is the calculation of the BMI index
//$BMI = ($weighteight / ($heighteight * $heighteight))* 10000;


if($firstname =="" || $surname == ""|| $weight == "" || $height == ""){
echo "The form submission is missing values.";
    exit();
} else {    
    $p_hash = md5($p);
    // Add user info into the database table for the main site table
    $sql = "INSERT INTO users (firstname, surname, weight, height)       
                           VALUES('$fn','$sn','$w','$h')";
    $query = mysqli_query($db_conx, $sql); 
    $uid = mysqli_insert_id($db_conx);
    // Establish their row in the useroptions table
    $sql = "INSERT INTO useroptions (id, username, background) VALUES ('$uid','$u','original')";
    $query = mysqli_query($db_conx, $sql);
    // Create directory(folder) to hold each user's files(pics, MP3s, etc.)
    if (!file_exists("user/$u")) {
        mkdir("user/$u", 0755);
    }
    // Email the user their activation link
    $to = "$e";                          
    $from = "k1003140@kingston.ac.uk";
    $subject = 'studentnet.kingston.ac.uk/k1003140';
    $message = '<!DOCTYPE html><html><head><meta charset="UTF-8"><title>yoursitename Message</title></head><body style="margin:0px; font-family:Tahoma, Geneva, sans-serif;"><div style="padding:10px; background:#333; font-size:24px; color:#CCC;"><a href="http://www.yoursitename.com"><img src="http://www.yoursitename.com/images/logo.png" width="36" height="30" alt="yoursitename" style="border:none; float:left;"></a>yoursitename Account Activation</div><div style="padding:24px; font-size:17px;">Hello '.$u.',<br /><br />Click the link below to activate your account when ready:<br /><br /><a href="https://studentnet.kingston.ac.uk/k1003140/activation.php?id='.$uid.'&u='.$u.'&e='.$e.'&p='.$p_hash.'">Click here to activate your account now</a><br /><br />Login after successful activation using your:<br />* E-mail Address: <b>'.$e.'</b></div></body></html>';
    $headers = "From: $from\n";
    $headers .= "MIME-Version: 1.0\n";
    $headers .= "Content-type: text/html; charset=iso-8859-1\n";
    mail($to, $subject, $message, $headers);
    echo "signup_success";



    exit();
}
exit();
?>

这是我的 Javascript 代码

<script>
function signup(){
var u = _("username").value;
var fn = _("firstname").value;
var sn = _("surname").value;
var w = _("weight").value;
var h = _("height").value;
var e = _("email"). value;
var status = _("status");
if(fn == "" || sn == "" || w == "" || h == ""|| g == ""){
    status.innerHTML = "Fill out all of the form data";
} else {
    _("signupbtn").style.display = "none";
    status.innerHTML = 'please wait ...';
    var ajax = ajaxObj("POST", "signup.php");
    ajax.onreadystatechange = function() {
        if(ajaxReturn(ajax) == true) {
            if(ajax.responseText != "signup_success"){
                status.innerHTML = ajax.responseText;
                _("signupbtn").style.display = "block";
            } else {
                window.scrollTo(0,0);
                _("signupform").innerHTML = "OK "+u+", check your email inbox and junk mail box at <u>"+e+"</u> in a moment to complete the sign up process by activating your account. You will not be able to do anything on the site until you successfully activate your account.";
            }
        }
    }
    ajax.send("fn="+fn+"&sn="+sn+"&w="+w+"&h="+h+);
}
}

这里我添加了一些代码来查看 HTML

    <body>
<?php include_once("template_pageTop.php"); ?>
    <div id="pageMiddle">  
    <form name="signupform" id="signupform" onsubmit="return false;">  
    <div id="usernamecss"><?php echo $u; ?></div>
    <p><b>Is the viewer the page owner, logged in and verified? <?php echo $isOwner; ?></b></p>   
    <p>First Name: <input type="text" name="firstname" onfocus="emptyElement('status')" size="35" maxlength="15" value='<?=$firstname?>'></p>
    <p>Surname: <input type="text" name="surname" onfocus="emptyElement('status')" size="35" maxlength="15" value='<?=$surname?>'></p>
    <p>Weight: <input type="text" name="weight" onfocus="emptyElement('status')" size="35" maxlength="15" value='<?=$weighteight?>'></p>
    <p>Height: <input type="text" name="height" onfocus="emptyElement('status')" size="35" maxlength="15" value='<?=$heighteight?>'></p>
    <button id="signupbtn" onclick="signup()">Create Account</button>
    </div>
    </form>
        <?php include_once("template_pageBottom.php"); ?>
        <span id="status"></span>
</body>

最佳答案

我不会写评论所以我会在这里写你应该使用 session_start();在页面的第一行，这可能会导致一些问题尝试一下

session_start();
include_once("php_includes/check_login_status.php");

关于javascript - 使用 PHP MySql 创建更新用户配置文件页面，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/21810412/

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