关于javascript：Ajax联系表单在网站上不起作用

Ajax contact form not working in website

我只是一个初学者，并试图用PHP邮件脚本实现ajax联系表单。但是，当我点击"提交"时，没有任何反应，也没有任

以下是我的代码。

HTML

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<form id="contactform" class="contact-form text-center" role="form">

<h6 class="success">
<span class="olored-text icon_check"></span> Your message has been sent successfully.</h6>


<h6 class="error">
<span class="colored-text icon_error-circle_alt"></span> E-mail must be valid.</h6>

<input id="cf-name" type="text" name="cf-name" placeholder="Your Name">
<input id="cf-email" type="email" name="cf-email" placeholder="Your Email">
<input id="cf-address" type="text" rows="7" name="cf-address" placeholder="Your Home Address">
<input id="cf-phone" type="text" rows="7" name="cf-phone" placeholder="Your Phone Number">
<input type="submit" class="button alt" value="Submit" id="submit" name="submit" data-style="expand-left"/>
</form>

使用Javascript

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// Function for email address validation
function isValidEmail(emailAddress) {

var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);

return pattern.test(emailAddress);

}
/* =================================
CONTACT FORM
=================================== */
$("#contactform").submit(function (e) {
e.preventDefault();
var name = $("#cf-name").val();
var email = $("#cf-email").val();
var address = $("#cf-address").val();
var message = $("#cf-phone").val();
var dataString = 'name=' + name + '&email=' + email + '&address=' + address + '&phone=' + message;

function isValidEmail(emailAddress) {
var pattern = new RegExp(/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i);
return pattern.test(emailAddress);
}
if (isValidEmail(email) && (message.length > 1) && (address.length > 1) && (name.length > 1)) {
$.ajax({
type:"POST",
url:"sendmail.php",
data: dataString,
success: function () {
$('.success').fadeIn(1000);
$('.error').fadeOut(500);
}
});
}
else {
$('.error').fadeIn(1000);
$('.success').fadeOut(500);
}
return false;
});

PHP

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<?php
// Get values from jquery
$name = $_POST['name'];
$email = $_POST['email'];
$address = $_POST['address'];
$phone = $_POST['phone'];

$to ="[email protected]";
$subject ="New Email Subscriber";
$message =" Name:" . $name ."

Email:" . $email ."

Address:" . $address ."

Phone:" . $phone;

$from ="ContactForm";
$headers ="From:" . $from ."

";
$headers .="Content-type: text/plain; charset=UTF-8" ."

";

if (@mail($to, $subject, $message, $headers)) {
echo"success";
} else {
echo"invalid";
}

有人可以修复此代码吗？我不是有什么不对的。

提前致谢。