javascript - Php 和 Ajax 电子邮件表单
问题描述
我对 ajax 完全陌生,刚刚开始掌握 php。所以我在网上得到了一个 ajax 和 php 电子邮件代码,它似乎在第一次尝试时就可以工作,接下来的几天突然不断地返回错误消息,即“出了点问题”。如果我能了解这个问题的来源以及如何解决它,我将不胜感激。非常感谢
JS
$("#contactForm").validator().on("submit", function (event) {
if (event.isDefaultPrevented()) {
// handle the invalid form...
formError();
submitMSG(false, "Did you fill in the form properly?");
} else {
// everything looks good!
event.preventDefault();
submitForm();
}
});
function submitForm(){
// Initiate Variables With Form Content
var name = $("#name").val();
var email = $("#email").val();
var msg_subject = $("#msg_subject").val();
var message = $("#message").val();
$.ajax({
type: "POST",
url: "php/form-process.php",
data: "name=" + name + "&email=" + email + "&msg_subject=" + msg_subject + "&message=" + message,
success : function(text){
if (text == "success"){
formSuccess();
} else {
formError();
submitMSG(false,text);
}
}
});
}
function formSuccess(){
$("#contactForm")[0].reset();
submitMSG(true, "Message Submitted!")
}
function formError(){
$("#contactForm").removeClass().addClass('shake animated').one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend', function(){
$(this).removeClass();
});
}
function submitMSG(valid, msg){
if(valid){
var msgClasses = "h3 text-center tada animated text-success";
} else {
var msgClasses = "h3 text-center text-danger";
}
$("#msgSubmit").removeClass().addClass(msgClasses).text(msg);
}
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="contactForm">
<div class="row">
<div class="col-md-12">
<div class="form-group">
<input type="text" class="form-control" id="name" placeholder="Full Name" name="name" data-error="Please input your full name" required>
<div class="help-block with-errors"></div>
</div>
</div>
<div class="col-md-12">
<div class="form-group">
<input type="text" class="form-control" id="email" placeholder="Your Email" name="name" data-error="Please input your email" required>
<div class="help-block with-errors"></div>
</div>
</div>
<div class="col-md-12">
<div class="form-group">
<textarea class="form-control" id="message" placeholder="Your Message" rows="8" data-error="Write your message" required></textarea>
<div class="help-block with-errors"></div>
</div>
<div class="submit-button text-center">
<button class="btn btn-common" id="submit" type="submit">Send Message</button>
<div id="msgSubmit" class="h3 text-center hidden"></div>
<div class="clearfix"></div>
</div>
</div>
</div>
</form>
PHP
<?php
$errorMSG = "";
// NAME
if (empty($_POST["name"])) {
$errorMSG = "Name is required ";
} else {
$name = $_POST["name"];
}
// EMAIL
if (empty($_POST["email"])) {
$errorMSG .= "Email is required ";
} else {
$email = $_POST["email"];
}
// MSG SUBJECT
if (empty($_POST["msg_subject"])) {
$errorMSG .= "Subject is required ";
} else {
$msg_subject = $_POST["msg_subject"];
}
// MESSAGE
if (empty($_POST["message"])) {
$errorMSG .= "Message is required ";
} else {
$message = $_POST["message"];
}
$EmailTo = "name@email.com";
$Subject = "New Message Received";
// prepare email body text
$Body = "";
$Body .= "Name: ";
$Body .= $name;
$Body .= "\n";
$Body .= "Email: ";
$Body .= $email;
$Body .= "\n";
$Body .= "Subject: ";
$Body .= $msg_subject;
$Body .= "\n";
$Body .= "Message: ";
$Body .= $message;
$Body .= "\n";
// send email
$success = mail($EmailTo, $Subject, $Body, "From:".$email);
// redirect to success page
if ($success && $errorMSG == ""){
echo "success";
}else{
if($errorMSG == ""){
echo "Something went wrong :("; //-->this is the error i get
} else {
echo $errorMSG;
}
}
?>
解决方案
你的逻辑是倒退的,在你的代码中空$errorMSG
是好的。
if($errorMSG != ""){ // if NOT empty
echo "Something went wrong: ".$errorMSG;
}else{
//good
}
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