用Ajax上传PHP文件

我正在制作一个表格，我们需要上传文件。表单是用Ajax处理的，数据被发布到电子邮件上，除了文件上传没有问题

现在，我们希望允许用户上传多个图像文件，这些文件将存储在我们的服务器上，我们将获得电子邮件中图像的链接

请查看以下代码：

表单HTML代码：

PHP表单处理器：

---

现在什么不起作用？文件对象没有通过httpI发送。我希望能够上载文件并通过电子邮件中的文件链接将其发送到服务器。您不需要为输入类型=文件分配名称属性首先在服务器中上载文件，然后在电子邮件中提供该链接，例如：src=upload\u path/nameof File。

    <div class="col-sm-12">
      <div class="well">
        <form id="ajax-contact" action="http://websitename.com/mailer.php" method="post" enctype="multipart/form-data">

        <h2>Personal Details</h2>


        <div class="login-wrap">

          <div class="form-group">
            <label class="control-label" for="name">Name</label>
            <input name="name" placeholder="enter your name" id="name" class="form-control" type="text">
          </div>




          <div class="form-group">
            <label class="control-label" for="tel">Telephone</label>
            <input name="tel" placeholder="enter your telephone" id="tel" class="form-control" type="text">
          </div>




          <div class="form-group">
            <label class="control-label" for="email">Email</label>
            <input name="email" placeholder="enter your email" id="input-email" class="form-control" type="text">
          </div>




          <div class="form-group">
            <label class="control-label" for="comments">Comments</label>
            <textarea name="comments" placeholder="your comments" id="comments" class="form-control" type="text"></textarea>
          </div>


       </div>



        <h2 style="margin-top:20px;">Product Details</h2>


        <div class="login-wrap">

          <div class="form-group">
            <label class="control-label" for="make">Make/Brand</label>
            <input name="make" placeholder="enter your make" id="make" class="form-control" required="" type="text">
          </div>




          <div class="form-group">
            <label class="control-label" for="model">Model</label>
            <input name="model" placeholder="enter your model" id="model" class="form-control" required="" type="text">
          </div>




          <div class="form-group">
            <label class="control-label" for="reference">Reference Number</label>
            <input name="reference" placeholder="enter your reference" id="reference" class="form-control" type="text">
          </div>



          <div class="form-group">
            <label class="control-label" for="condition">Condition</label>
              <select id="condition" name="condition" required="">
                <option>Mint</option>
                <option>Used</option>
              </select>
          </div>



          <div class="form-group">
            <label for="images">Upload Images</label>
            <input id="images" name="images" multiple="" required="" type="file">
            <p class="help-block">upload maximum 4 images</p>


          </div>



          <div class="form-group">
            <label class="control-label" for="price">Expected Price</label>
            <input name="price" placeholder="enter your price" id="price" class="form-control" required="" type="text">
          </div>



          <div class="checkbox">
            <label>
              <input value="" type="checkbox">
              With Box
            </label>
          </div>


          <div class="checkbox disabled">
            <label>
              <input value="" type="checkbox">
              With Papers
            </label>
          </div>



       </div>



        <input value="Submit" class="btn btn-primary button" type="submit">

        </form>
      </div>
    </div>
  </div>

$(function() {
// Get the form.
var form = $('#ajax-contact');

// Get the messages div.
var formMessages = $('#form-messages');

// Set up an event listener for the contact form.
$(form).submit(function(e) {
    // Stop the browser from submitting the form.
    e.preventDefault();

    // Serialize the form data.
    var formData = $(form).serialize();

    // Submit the form using AJAX.
    $.ajax({
        type: 'POST',
        url: $(form).attr('action'),
        data: formData
    })
    .done(function(response) {
        // Make sure that the formMessages div has the 'success' class.
        $(formMessages).removeClass('error');
        $(formMessages).addClass('success');

        // Set the message text.
        $(formMessages).text(response);

        // Clear the form.
        $('#name').val('');
        $('#email').val('');
        $('#message').val('');
        $('#tel').val('');
        $('#make').val('');
        $('#model').val('');
        $('#reference').val('');
        $('#condition').val('');
    })
    .fail(function(data) {
        // Make sure that the formMessages div has the 'error' class.
        $(formMessages).removeClass('success');
        $(formMessages).addClass('error');

        // Set the message text.
        if (data.responseText !== '') {
            $(formMessages).text(data.responseText);
        } else {
            $(formMessages).text('Oops! An error occured and your message could not be sent.');
        }
    });

});

});

<?php

// Only process POST reqeusts.
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Get the form fields and remove whitespace.
    $name = strip_tags(trim($_POST["name"]));
            $name = str_replace(array("\r","\n"),array(" "," "),$name);
    $email = filter_var(trim($_POST["email"]), FILTER_SANITIZE_EMAIL);
    $tel = filter_var(trim($_POST["tel"]));
    $message = trim($_POST["message"]);
    $make = trim($_POST["make"]);
    $model = trim($_POST["model"]);
    $reference = trim($_POST["reference"]);
    $condition = trim($_POST["condition"]);

    // Check that data was sent to the mailer.
    if ( empty($name) OR !filter_var($email, FILTER_VALIDATE_EMAIL)) {
        // Set a 400 (bad request) response code and exit.
        http_response_code(400);
        echo "Oops! There was a problem with your submission. Please complete the form and try again.";
        exit;
    }

    // Set the recipient email address.
    // FIXME: Update this to your desired email address.
    $recipient = "myemail@mycompany.com";

    // Set the email subject.
    $subject = "New Contact form Submitted";

    // Build the email content.
    $email_content = "Name: $name\n";
    $email_content .= "Tel: $tel\n";
    $email_content .= "Email: $email\n";
    $email_content .= "Message: $message\n";
    $email_content .= "Make/Brand: $make\n";
    $email_content .= "Model: $model\n";
    $email_content .= "Reference: $reference\n";
    $email_content .= "Condition: $condition\n";

    // Build the email headers.
    $email_headers = "From: $name <$email>";

    // Send the email.
    if (mail($recipient, $subject, $email_content, $email_headers)) {
        // Set a 200 (okay) response code.
        http_response_code(200);
        echo "Thank You! Your message has been sent.";
    } else {
        // Set a 500 (internal server error) response code.
        http_response_code(500);
        echo "Oops! Something went wrong and we couldn't send your message.";
    }

} else {
    // Not a POST request, set a 403 (forbidden) response code.
    http_response_code(403);
    echo "There was a problem with your submission, please try again.";
}

?>