我知道这是一个已经问过的问题，我已经参考了这些问题，没有找到解决方案，所以我发布了我自己的问题，对不起，伙计们
我有一个PHP附件，从那里它发送附件到我的电子邮件，因为我限制了文件类型只接受pdf和doc，但它不能正常工作，我也限制了文件大小，也不能正常工作，我将在这里发布我的PHP和HTML代码，请纠正我，如果我错了，谢谢提前
HTML表单
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Simple Ajax Contact Form</title>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<script type="text/javascript" src="js/script.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.validate.js"></script>
<script type="text/javascript" src="js/additional-methods.js"></script>
</head>
<body>
<button type="button" class="btn btn-danger btn-lg" data-toggle="modal" data-target="#myModal">Open Modal</button>
<!-- Modal -->
<div id="myModal" class="modal fade" role="dialog">
<div class="modal-dialog">
<!-- Modal content-->
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Modal Header</h4>
</div>
<div class="modal-body">
<div class="form-style" id="contact_form">
<div class="form-style-heading">Please Contact Us</div>
<div id="contact_results"></div>
<div class="form-group">
<label><span>Name <span class="required">*</span></span>
<input type="text" name="name" id="name" required="true" class="form-control"/>
</label>
</div>
<div class="form-group">
<label><span>Email <span class="required">*</span></span>
<input type="email" name="email" required="true" class="form-control"/>
</label>
</div>
<div class="form-group">
<label><span>Phone <span class="required">*</span></span>
<input type="text" name="phone" maxlength="15" required="true" class="form-control" />
</label>
</div>
<div class="form-group">
<label><span>Attachment</span>
<input type="file" accept="doc,pdf,docx" required="true" name="file_attach" class="form-control" />
</label>
</div>
<div class="modal-footer">
<label>
<span> </span><input type="submit" id="submit_btn" class="btn btn-primary" value="Submit" />
</label>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
<?php
if($_POST)
{
$to_email = "m.balajivaishnav@gmail.com"; //Recipient email, Replace with own email here
// $from_email = "noreply@YOUR-DOMAIN.com"; //From email address (eg: no-reply@YOUR-DOMAIN.com)
//check if its an ajax request, exit if not
if(!isset($_SERVER['HTTP_X_REQUESTED_WITH']) AND strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) != 'xmlhttprequest') {
$output = json_encode(array( //create JSON data
'type'=>'error',
'text' => 'Sorry Request must be Ajax POST'
));
die($output); //exit script outputting json data
}
//Sanitize input data using PHP filter_var().
$user_name = filter_var($_POST["user_name"], FILTER_SANITIZE_STRING);
$user_email = filter_var($_POST["user_email"], FILTER_SANITIZE_EMAIL);
$phone_number = filter_var($_POST["phone_number"], FILTER_SANITIZE_NUMBER_INT);
if(strlen($user_name)<4){ // If length is less than 4 it will output JSON error.
$output = json_encode(array('type'=>'error', 'text' => 'Name is too short or empty!'));
die($output);
}
if(!filter_var($user_email, FILTER_VALIDATE_EMAIL)){ //email validation
$output = json_encode(array('type'=>'error', 'text' => 'Please enter a valid email!'));
die($output);
}
if(!filter_var($phone_number, FILTER_SANITIZE_NUMBER_FLOAT)){ //check for valid numbers in phone number field
$output = json_encode(array('type'=>'error', 'text' => 'Enter only digits in phone number'));
die($output);
}
//email body
$message_body = $message."'n'n".$user_name."'nEmail : ".$user_email."'nPhone Number :". $phone_number ;
### Attachment Preparation ###
$file_attached = false;
if(isset($_FILES['file_attach'])) //check uploaded file
{
//get file details we need
$file_tmp_name = $_FILES['file_attach']['tmp_name'];
$file_name = $_FILES['file_attach']['name'];
$file_size = $_FILES['file_attach']['size'];
$file_type = $_FILES['file_attach']['type'];
$file_error = $_FILES['file_attach']['error'];
//exit script and output error if we encounter any
if($file_error>0)
{
$mymsg = array(
1=>"The uploaded file exceeds the upload_max_filesize directive in php.ini",
2=>"The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form",
3=>"The uploaded file was only partially uploaded",
4=>"No file was uploaded",
6=>"Missing a temporary folder" );
$output = json_encode(array('type'=>'error', 'text' => $mymsg[$file_error]));
die($output);
}
//read from the uploaded file & base64_encode content for the mail
$handle = fopen($file_tmp_name, "r");
$content = fread($handle, $file_size);
fclose($handle);
$encoded_content = chunk_split(base64_encode($content));
//now we know we have the file for attachment, set $file_attached to true
$allowedExts = array("pdf", "doc", "docx");
$extension = end(explode(".", $_FILES["file"]["name"]));
if (($_FILES["file"]["type"] == "application/pdf") || ($_FILES["file"]["type"] == "application/msword") && ($_FILES["file"]["size"] < 20000000) && in_array($extension, $allowedExts))
{
if ($_FILES["file"]["error"] > 0)
{
echo "Return Code: " . $_FILES["file"]["error"] . "<br>";
}
else
{
$file_attached = true;
}
}
}
if($file_attached) //continue if we have the file
{
$boundary = md5("sanwebe");
//header
$headers = "MIME-Version: 1.0'r'n";
$headers .= "From:".$user_email."'r'n";
$headers .= "Reply-To: ".$user_email."" . "'r'n";
$headers .= "Content-Type: multipart/mixed; boundary = $boundary'r'n'r'n";
//plain text
$body = "--$boundary'r'n";
$body .= "Content-Type: text/plain; charset=ISO-8859-1'r'n";
$body .= "Content-Transfer-Encoding: base64'r'n'r'n";
$body .= chunk_split(base64_encode($message_body));
//attachment
$body .= "--$boundary'r'n";
$body .="Content-Type: $file_type; name='"$file_name'"'r'n";
$body .="Content-Disposition: attachment; filename='"$file_name'"'r'n";
$body .="Content-Transfer-Encoding: base64'r'n";
$body .="X-Attachment-Id: ".rand(1000,99999)."'r'n'r'n";
$body .= $encoded_content;
}else{
//proceed with PHP email.
$headers = "From:".$user_email."'r'n".
'Reply-To: '.$user_email.'' . "'n" .
'X-Mailer: PHP/' . phpversion();
$body = $message_body;
}
$send_mail = mail($to_email, $subject, $body, $headers);
if(!$send_mail)
{
//If mail couldn't be sent output error. Check your PHP email configuration (if it ever happens)
$output = json_encode(array('type'=>'error', 'text' => 'Could not send mail! Please check your PHP mail configuration.'));
die($output);
}else{
$output = json_encode(array('type'=>'message', 'text' => 'Hi '.$user_name .' Thank you for your email'));
die($output);
}
}
?>
if (($_FILES["file"]["type"] == "application/pdf") || ($_FILES["file"]["type"] == "application/msword") && ($_FILES["file"]["size"] < 20000000) && in_array($extension, $allowedExts))
{
我想你的意思是:
if ((($_FILES["file"]["type"] == "application/pdf") || ($_FILES["file"]["type"] == "application/msword")) && ($_FILES["file"]["size"] < 20000000) && in_array($extension, $allowedExts))
{