联系人表单卡在验证中

我正试图为一个投资组合网站建立并运行一个联系人表单。我了解设计，但对开发/服务器端问题的了解非常有限。

表单按预期运行，但当提交表单时返回"…"；。。发送"；事情到此为止。我没有收到电子邮件，状态也没有进展。

我的网站托管在Hostinger上，他不使用Apache(我对此一无所知(。然而，从我所读到的内容来看，我确实需要一些像apache这样的php服务器来使这个表单发挥作用。主持人表示，他们确实支持Ajax，并且这些电子邮件没有被屏蔽。

我正在尝试使用Ajax、验证脚本和php来允许在不离开当前页面的情况下提交表单，如下所示：(这是一个MDB表单(。这是托管网站的链接，以供参考：https://intakt-design.com

我在开发工具中收到此错误：未捕获引用错误：在验证表单中未定义sendMessage((

我觉得这就是问题所在，但我不知道这里发生了什么，谷歌正在带领我兜圈子。。。

代码段链接：https://mdbootstrap.com/snippets/jquery/marcin-luczak/2705367

请原谅我的无知，总的来说，我是网络设计(平面设计专业的学生(的新手，后端开发对我来说太难了。

PHP:

<?php
$name = $_POST['name'];
$email = $_POST['email'];
$message = $_POST['message'];
$subject = $_POST['subject'];
header('Content-Type: application/json');
if ($name === ''){
print json_encode(array('message' => 'Name cannot be empty', 'code' => 0));
exit();
}
if ($email === ''){
print json_encode(array('message' => 'Email cannot be empty', 'code' => 0));
exit();
} else {
if (!filter_var($email, FILTER_VALIDATE_EMAIL)){
print json_encode(array('message' => 'Email format invalid.', 'code' => 0));
exit();
}
}
if ($subject === ''){
print json_encode(array('message' => 'Subject cannot be empty', 'code' => 0));
exit();
}
if ($message === ''){
print json_encode(array('message' => 'Message cannot be empty', 'code' => 0));
exit();
}
$content="From: $name nEmail: $email nMessage: $message";
$recipient = "story@intakt-design.com";
$mailheader = "From: $email rn";
mail($recipient, $subject, $content, $mailheader) or die("Error!");
print json_encode(array('message' => 'Email Delivered! Thanks for contacting inTakt Design!', 'code' => 1));
exit();
?>

HTML:

<!-- Contact Form -->
<div class="contact-content py-5">
<section class="mb-4 col-11 col-sm-10 col-lg-8 mx-auto mt-0 mb-3 form">
<!--Section heading-->
<h2 class="h1-responsive font-weight-bold text-center p-3 my-4 form-text form-head">Just Fill in the Blanks!</h2>
<!--Section description-->
<p class="text-center w-responsive mx-auto mb-5 form-text form-subhead">Do you have any questions or inquiries? Please do not hesitate to contact me directly.<br />I will typically respond within 24 hours.</p>
<div class="row">
<!--Grid column-->
<div class="col-md-9 mb-md-0 mb-5">
<form id="contact-form" name="contact-form">
<!--Grid row-->
<div class="row">
<!--Grid column-->
<div class="col-md-6 form-field-containers">
<div class="md-form mb-0 form-field-containter">
<input type="text" id="name" name="name" class="form-control">
<label for="name" class="form-text form-field mt-n1">Your name</label>
</div>
</div>
<!--Grid column-->
<!--Grid column-->
<div class="col-md-6 form-field-containers">
<div class="md-form mb-0 form-field-container">
<input type="text" id="email" name="email" class="form-control">
<label for="email" class="form-text form-field mt-n1">Your email</label>
</div>
</div>
<!--Grid column-->
</div>
<!--Grid row-->
<!--Grid row-->
<div class="row">
<div class="col-md-12 mt-3 form-field-containers">
<div class="md-form mb-0 form-field-container">
<input type="text" id="subject" name="subject" class="form-control">
<label for="subject" class="form-text form-field mt-n1">Subject</label>
</div>
</div>
</div>
<!--Grid row-->
<!--Grid row-->
<div class="row">
<!--Grid column-->
<div class="col-md-12 mt-3">
<div class="md-form message-container">
<textarea type="text" id="message" name="message" rows="2" class="form-control md-textarea p-2 message waves-effect"></textarea>
<label for="message" class="form-text form-field mt-n1 message-label"><span class="message-canned-txt italic">Type Your Message Here</span></label>
</div>
</div>
</div>
<!--Grid row-->
</form>
<div class="text-center text-md-left">
<a class="btn btn-rounded waves-effect cta-btn-res col-12 col-lg-5 mt-3 mb-0" onclick="validateForm();">Submit</a>
</div>
<div class="status" id="status"></div>
</div>
<!--Grid column-->
<!--Grid column-->
<div class="col-md-3 text-center">
<ul class="list-unstyled mb-0">
<li><a href="#connect" class="fas fa-user-astronaut fa-2x form-icon phone waves-effect"></a><br />
<a href="#connect" class="form-text contact-info phone waves-effect">Connect with Me!</a>
</li>
<li><a href="tel:501-259-6907" class="fas fa-phone mt-4 fa-2x form-icon phone waves-effecte"></a><br />
<a href="tel:501-259-6907" class="form-text contact-info phone waves-effect">+ 501 259 6907</a>
</li>
<li><a href="mailto:story@intakt-design.com" class="fas fa-envelope mt-4 fa-2x form-icon email waves-effect"></a><br />
<a href="mailto:story@intakt-design.com" class="form-text contact-info email waves-effect">story@intakt-design.com</a>
</li>
</ul>
</div>
<!--Grid column-->
</div>
</section>
<!--/ Contact Form-->

JS:

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>      
<script type="text/javascript" src="js/jquery-3.5.1.js"></script>
<script type="text/javascript" src="popper.js"></script>
<script type="text/javascript" src="js/bootstrap.bundle.js"></script>
<script type="text/javascript" src="js/mdb.js"></script>
<script type="text/javascript" src="js/mdb.pro.js"></script>
<!--Custom scripts-->
<script>
function validateForm() {
var name =  document.getElementById('name').value;
if (name == "") {
document.querySelector('.status').innerHTML = "Name cannot be empty";
return false;
}
var email =  document.getElementById('email').value;
if (email == "") {
document.querySelector('.status').innerHTML = "Email cannot be empty";
return false;
}        
else {
var re = /^(([^<>()[]\.,;:s@"]+(.[^<>()[]\.,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/;
if(!re.test(email)){
document.querySelector('.status').innerHTML = "Email format invalid";
return false;
}
}
var subject =  document.getElementById('subject').value;
if (subject == "") {
document.querySelector('.status').innerHTML = "Subject cannot be empty";
return false;
}
var message =  document.getElementById('message').value;
if (message == "") {
document.querySelector('.status').innerHTML = "Message cannot be empty";
return false;
}
document.querySelector('.status').innerHTML = "Sending...";
sendMessage();
}
function sendMessge() {
formData = {
'name'     : $('input[name=name]').val(),
'email'    : $('input[name=email]').val(),
'subject'  : $('input[name=subject]').val(),
'message'  : $('textarea[name=message]').val()
};
$.ajax({
url : "mail.php",
type: "POST",
data : formData,
success: function(data, textStatus, jqXHR)
{
$('#status').text(data.message);
if (data.code) //If mail was sent successfully, reset the form.
$('#contact-form').closest('form').find("input[type=text], textarea").val("");
},
error: function (jqXHR, textStatus, errorThrown)
{
$('#status').text(jqXHR);
}
});
}
</script>

我不知道为什么，但由于一些不寻常的原因，sendMessage无法工作。尝试重命名函数。messageSending((，并在validateForm((函数中调用它。

function validateForm() {
var name =  document.getElementById('name').value;
if (name == "") {
document.querySelector('.status').innerHTML = "Name cannot be empty";
return false;
}
var email =  document.getElementById('email').value;
if (email == "") {
document.querySelector('.status').innerHTML = "Email cannot be empty";
return false;
}        
else {
var re = /^(([^<>()[]\.,;:s@"]+(.[^<>()[]\.,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/;
if(!re.test(email)){
document.querySelector('.status').innerHTML = "Email format invalid";
return false;
}
}
var subject =  document.getElementById('subject').value;
if (subject == "") {
document.querySelector('.status').innerHTML = "Subject cannot be empty";
return false;
}
var message =  document.getElementById('message').value;
if (message == "") {
document.querySelector('.status').innerHTML = "Message cannot be empty";
return false;
}
document.querySelector('.status').innerHTML = "Sending...";
messageSending();
}

function messageSending() {
document.querySelector('.status').innerHTML = "123Sending...";
formData = {
'name'     : $('input[name=name]').val(),
'email'    : $('input[name=email]').val(),
'subject'  : $('input[name=subject]').val(),
'message'  : $('textarea[name=message]').val()
};
$.ajax({
url : "mail.php",
type: "POST",
data : formData,
success: function(data, textStatus, jqXHR)
{
$('#status').text(data.message);
if (data.code) //If mail was sent successfully, reset the form.
$('#contact-form').closest('form').find("input[type=text], textarea").val("");
},
error: function (jqXHR, textStatus, errorThrown)
{
$('#status').text(jqXHR);
}
});
}

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