我有这段代码
<form id="form" role="form" method="post" action="" autocomplete="off" enctype="multipart/form-data">
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel">Modal title</h4>
</div>
<div class="modal-body">
<?php
// Verificar erros
if(isset($error)){
foreach($error as $error){
echo '<p class="register-errors">'.$error.'</p>';
}
}
// Mensagem de sucesso
if(isset($_GET['action']) && $_GET['action'] == 'joined'){
echo "<h2 class='register-sucess'>Registration successful, please check your email to activate your account.</h2> ";
}
?>
<input type="text" name="username" id="username" class="register-username" placeholder="Username" value="<?php if(isset($error)){ echo $_POST['username']; } ?>" tabindex="1" maxlength="12">
<br>
<img id="uploadPreview1" src="../cdn/css/images/no_image.jpg" width="130" height="130"/>
<input id="uploadImage1" type="file" name="img[]" onchange="PreviewImage(1);" />
<label for="uploadImage1" >Add profile picture</label>
<br>
<input type="email" name="email" id="email" class="register-email" placeholder="Email Address" value="<?php if(isset($error)){ echo $_POST['email']; } ?>" tabindex="2">
<br>
<input type="password" name="password" id="password" class="register-password" placeholder="Password" tabindex="3">
<input type="password" name="passwordConfirm" id="passwordConfirm" class="register-confirmpassword" placeholder="Confirm Password" tabindex="4">
<br>
<br>
<?
if(isset($_POST['submit'])){
if(strlen($_POST['username']) < 3){
$error[] = 'Username is too short.';
} else {
$stmt = $db->prepare('SELECT username FROM members WHERE username = :username');
$stmt->execute(array(':username' => $_POST['username']));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if(!empty($row['username'])){
$error[] = 'Username provided is already in use.';
}
}
if(strlen($_POST['password']) < 3){
$error[] = 'Password is too short.';
}
if(strlen($_POST['passwordConfirm']) < 3){
$error[] = 'Confirm password is too short.';
}
if($_POST['password'] != $_POST['passwordConfirm']){
$error[] = 'Passwords do not match.';
}
if(!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)){
$error[] = 'Please enter a valid email address';
} else {
$stmt = $db->prepare('SELECT email FROM members WHERE email = :email');
$stmt->execute(array(':email' => $_POST['email']));
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if(!empty($row['email'])){
$error[] = 'Email provided is already in use.';
}
}
if(!isset($error)){
// Proteger a password
$hashedpassword = $user->password_hash($_POST['password'], PASSWORD_BCRYPT);
// Criar código de activação
$activasion = md5(uniqid(rand(),true));
try {
$file = $_FILES['img'];
$numFile = count(array_filter($file['name']));
//PASTA
$folder = '../cdn/uploads/avatars/';
//REQUISITOS
$permite = array('image/jpeg', 'image/png');
$maxSize = 1024 * 1024 * 1;
//MENSAGENS
$msg = array();
$errorMsg = array(
1 => 'O arquivo no upload é maior do que o limite definido em upload_max_filesize no php.ini.',
2 => 'O arquivo ultrapassa o limite de tamanho em MAX_FILE_SIZE que foi especificado no formulário HTML',
3 => 'o upload do arquivo foi feito parcialmente',
4 => 'Não foi feito o upload do arquivo'
);
if($numFile <= 0){
echo '<script>alert(asd);</script>';
}
else{
for($i = 0; $i < $numFile; $i++){
$name = $file['name'][$i];
$type = $file['type'][$i];
$size = $file['size'][$i];
$error = $file['error'][$i];
$tmp = $file['tmp_name'][$i];
$extensao = @end(explode('.', $name));
$avatar = rand().".$extensao";
if($error != 0)
$msg[] = "<b>$name :</b> ".$errorMsg[$error];
else if(!in_array($type, $permite))
$msg[] = "<b>$name :</b> Erro imagem não suportada!";
else if($size > $maxSize)
$msg[] = "<b>$name :</b> Erro imagem ultrapassa o limite de 1MB";
else{
if(move_uploaded_file($tmp, $folder.'/'.$avatar)){
$stmt = $db->prepare('INSERT INTO members (username,password,email,active,avatar) VALUES (:username, :password, :email, :active, :avatar)');
$stmt->execute(array(
':username' => $_POST['username'],
':password' => $hashedpassword,
':email' => $_POST['email'],
':active' => $activasion,
':avatar' => $avatar
));
}else{
$msg[] = "<b>$name :</b> Desculpe! Ocorreu um erro...";
}
}
}
}
// Inserir dados na base de dados
$id = $db->lastInsertId('memberID');
// Estrutura do email
$to = $_POST['email'];
$subject = " Registration Confirmation";
$body = "Thank you for registering at site.\n\n To activate your account, please click on this link:\n\n ".DIR."activate.php?x=$id&y=$activasion\n\n\n Regards,\n Administration \n\n";
$additionalheaders = "From: <".SITEEMAIL.">\r\n";
$additionalheaders .= "Reply-To: ".SITEEMAIL."";
mail($to, $subject, $body, $additionalheaders);
header('Location: register.php?action=joined');
exit;
} catch(PDOException $e) {
$error[] = $e->getMessage();
}
}
}
?>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<input type="submit" name="submit" value="Register" class="btn btn-primary" tabindex="5">
</form>
</div>
</div>
</div>
</div>
当我提交提交时，它不会在数据库中添加任何内容，只会在页面上刷新。而且像Ajax / jQuery中出现的错误一样，无需在提交后刷新页面。两个电子邮件错误，用户等。由于头像所以出现错误但不会出现：ss
简而言之，我希望帮助修复不向数据库发送任何内容的部分，并显示所有错误，包括Avatar。并且所有这些都在ajax中而不必刷新页面。