在每個頁面上，我都有 jQuery 模式，其中包含一個聯系表單，并且在每個頁面上都需要將資料發送到不同的電子郵件地址。提交表單時，我需要使用json_encode. 同時在每一頁上我使用的頁面識別符號$pages_id=1，$pages_id=2等等，對于識別的形式提交。然而，非常重要的是，沒有 jQuery 檔案，完成我的 PHP 代碼，它正確執行，所有資料都成功插入到資料庫中，在 Xdebug 中，我還看到它成功執行的每一行上的代碼。但是，如果我包含 jQuery 檔案，那么在 Xdebug 中$pages_id回傳 null 的值。我正是在這行代碼中認為：
$query = "SELECT owners_email.email_address_id, email_address, owner_name, owner_property, owner_sex, owner_type FROM visitneum.owners_email INNER JOIN visitneum.pages ON (pages.email_address_id = owners_email.email_address_id) WHERE `owner_sex`='M' AND `owner_type`='other' AND `pages_id` = ?";
$dbstmt = $pdo->prepare($query);
$dbstmt->bindParam(1,$pages_id);
$dbstmt->execute();
但是，下面是我完整的 PHP 代碼：
<?php
// set error reporting
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL | E_STRICT);
$fname = $tel = $userMail = $userMessage = $email_address_id = "";
$fname_error = $tel_error = $userMail_error = $userMessage_error = "";
$error=false;
//Load the config file
$dbHost = "secret";
$dbUser = "secret";
$dbPassword = "secret";
$dbName = "secret";
$dbCharset = "utf8";
$pdo="";
try{
$dsn = "mysql:host=" . $dbHost . ";dbName=" . $dbName . ";charset=" . $dbCharset;
$pdo = new PDO($dsn, $dbUser, $dbPassword);
array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8");
$pdo->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );
}catch(PDOException $e){
echo "Connection error: " . $e->getMessage();
}
use PHPMailer\PHPMailer\PHPMailer;
require 'PHPMailer/PHPMailer.php';
require 'PHPMailer/SMTP.php';
require 'PHPMailer/Exception.php';
if($_SERVER['REQUEST_METHOD'] == 'POST'){
if(isset($_POST['submitOwner'])){
$fname = $_POST['fname'];
$tel = $_POST['tel'];
$userMail = $_POST['userMail'];
$userMessage = $_POST['userMessage'];
if(empty($_POST['fname'])){
$error=true;
$fname_error = "Name and surname cannot be empty!";
}else{
$fname = $_POST['fname'];
if(!preg_match("/^[a-z?????A-Z?????\s]*$/", $fname)){
$fname_error = "Name and surname can only contain letters and spaces!";
}
}
if(empty($_POST['tel'])) {
$tel_error = "Phone number cannot be blank!";
}else{
$tel = $_POST['tel'];
if(!preg_match('/^[\ ]?[0-9]{9,15}$/', $tel)) {
$tel_error = "The phone number should contain a minimum of 9 to 15 numbers!";
}
}
if(empty($_POST['userMail'])){
$userMail_error = "Email cannot be blank!";
}else{
$userMail = $_POST['userMail'];
if(!filter_var($userMail, FILTER_VALIDATE_EMAIL)) {
$userMail_error = "Email address is incorrect!";
}
}
if(empty($_POST['userMessage'])) {
$userMessage_error = "The content of the message cannot be empty!";
}else{
$userMessage = $_POST['userMessage'];
if(!preg_match("/^[a-z?????A-Z?????0-9 ,.!?\'\"]*$/", $userMessage)){
$userMessage_error = "The content of the message cannot be special characters!";
}
}
if($fname_error == '' && $tel_error == '' && $userMail_error == '' && $userMessage_error == ''){
$mail = new PHPMailer(true);
$mail->CharSet = "UTF-8";
$mail->isSMTP();
$mail->Host = 'secret';
$mail->SMTPAuth = true;
$mail->Username = 'secret';
$mail->Password = 'secret';
$mail->Port = 465; // 587
$mail->SMTPSecure = 'ssl'; // tls
$mail->WordWrap = 50;
$mail->setFrom('[email protected]');
$mail->Subject = "New message from visit-neum.com";
$mail->isHTML(true);
$query = "SELECT owners_email.email_address_id, email_address, owner_name, owner_property, owner_sex, owner_type FROM visitneum.owners_email INNER JOIN visitneum.pages ON (pages.email_address_id = owners_email.email_address_id) WHERE `owner_sex`='M' AND `owner_type`='other' AND `pages_id` = ?";
$dbstmt = $pdo->prepare($query);
$dbstmt->bindParam(1,$pages_id);
$dbstmt->execute(); //in Xdebug this line of code return NULL for $pages_id if include jQuery file
$emails_other = $dbstmt->fetchAll(PDO::FETCH_ASSOC);
$jsonData=array();
if(is_array($emails_other) && count($emails_other)>0){
foreach($emails_other as $email_other){
//var_dump($email_other['email_address']);
$mail->addAddress($email_other['email_address']);
$body_other = "<p>Dear {$email_other['owner_name']}, <br>" . "You just received a message from the site <a href='https://www.visit-neum.com'>visit-neum.com</a><br>Details of your message are below:</p><p><strong>From: </strong>" . ucwords($fname) . "<br><strong>Phone: </strong>" . $tel . "<br><strong>E-mail: </strong>" .strtolower($userMail)."<br><strong>Message: </strong>" . $userMessage . "</p>";
$mail->Body = $body_other;
if($mail->send()){
$mail = "INSERT INTO visitneum.contact_owner(fname, tel, userMail, userMessage, email_address_id) VALUES(:fname, :tel, :userMail, :userMessage, :email_address_id)";
$stmt = $pdo->prepare($mail);
$stmt->execute(['fname' => $fname, 'tel' => $tel, 'userMail' => $userMail, 'userMessage' => $userMessage, 'email_address_id' => $email_other['email_address_id']]);
// Load AJAX
if($error==false){
$information['response'] = "success";
$information['content'] = "Thanks " . ucwords($fname) . "! Your message has been successfully sent to the owner of property! You will get an answer soon!";
$jsonData[] = $information;
}
}//end if mail send
else{
$information['response'] = "error";
$information['content'] = "An error has occurred! Please try again..." . $mail->ErrorInfo;
$jsonData[]=$information;
}
echo(json_encode($jsonData));
} // end foreach($emails_other as $email_other)
} // end if(is_array($emails_other) && count($emails_other)>0)
} // end if validation
} // end submitOwner
} // end REQUEST METHOD = POST
在下面你可以看到我的 jQuery 檔案的 submitHandler 這導致了我的問題：
submitHandler: function(form){
var formData=jQuery("#contactOwner").serialize();
console.log(formData);
jQuery.ajax({
url: "/inc/FormProcess.php",
type: "post",
dataType: "json",
data: formData,
success:function(jsonData) {
jQuery("#responseOwner").text(jsonData.content);
console.log(jsonData);
error: function (jqXHR, textStatus, errorThrown) {
console.log(JSON.stringify(jqXHR));
console.log("AJAX error: " textStatus ' : ' errorThrown);
}
}); // Code for AJAX Ends
// Clear all data after submit
var resetForm = document.getElementById('contactOwner').reset();
return false;
} // end submitHandler
包含聯系表格的頁面如下：
<?php
include_once './inc/FormProcess.php';
?>
<form spellcheck="false" autocomplete="off" autocorrect="off" id='contactOwner' class='form' name='contactOwner' action='' method='POST'>
<h4 id="responseOwner" class="success">
<!-- This will hold response from the server --></h4>
<fieldset>
<legend>Va?i podaci</legend>
<div class="form-control halb InputIconBg"><input minlength="6" type="text" class="input username" name="fname" placeholder="Your name and surname ..." value="<?php echo Input::get('fname'); ?>"><i class="fas fa-user" aria-hidden="true"></i><span class="error"><?=$fname_error; ?></span></div><!-- end .form-control -->
<div class="form-control halb InputIconBg"><input minlength="9" type="text" class="input phone" name="tel" placeholder="Your phone number..." value="<?php echo Input::get('tel'); ?>"><i class="fas fa-phone-alt" aria-hidden="true"></i><span class="error"><?=$tel_error; ?></span></div><!-- end .form-control -->
<div class="form-control single InputIconBg"><input type="text" class="input mail" name="userMail" placeholder="Your e-mail..." value="<?php echo Input::get('userMail'); ?>" autocomplete="email"><i id="" class="fas fa-envelope owner_icon" aria-hidden="true"></i><span class="error"><?=$userMail_error; ?></span></div><!-- end .form-control -->
<div class="form-control InputIconBg"><textarea maxlength="1000" name="userMessage" class="textinput message" cols="46" rows="8" placeholder="Your message..."><?php echo Input::get('userMessage'); ?></textarea><i class="fas fa-pencil-alt owner_icon" aria-hidden="true"></i><span class="error"><?=$userMessage_error; ?></span></div><!-- end .form-control -->
</fieldset>
<input type="submit" class="btn_submit" id="submitOwner" name="submitOwner" value="SENT"/>
</form>
<script defer src="/JS/validateOwner.js"></script>
所以，我無法弄清楚是什么問題以及為什么 $pages_id 在包含 jQuery 檔案時回傳 null。另外，我忘記提到行內的代碼if(is_array($emails_other) && count($emails_other)>0){回傳編號 0，因此不會執行完整的后續代碼，但這當然是正常的，因為 $pages_id 為空。但是，我希望有人了解問題所在，因此，在此先感謝您提供的任何幫助。
uj5u.com熱心網友回復：
page_id 在您的腳本中為空，因為您沒有在腳本中設定它。
那么為什么不直接在您的 froms 中添加一個帶有頁面 id 的隱藏輸入欄位，然后在您的 PHP 代碼中添加
$page_id = $_POST['pageId'];
我想你沒有理解ajax correclty。如果您將資料發布到 /inc/FormProcess.php，它不像以前的包含，您可以先創建變數然后包含它。AJax 就像是對腳本的子呼叫。就像你只打開 URL 中提供的這個腳本一樣。所以在這一點上你沒有你的變數。
您需要獲取變數或將您的 ajax 請求發送到您定義變數的腳本而不是 /inc/FormProcess.php
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