当我上传pdf时，它会给我下面的代码。它没有显示文件太大或文件不是pdf这样的错误，而是在浏览器中打印出表单。
这不是文件大小的问题，我已经将文件上传到5 MB以下，并且我已经将文件大小更改为15 MB并且将我的php.ini设置为10 MB以上并且它是＆＃39 ; s仍然是一样的。我觉得我错过了脚本上的一些问题。如果它的错误，它假设显示来自错误处理程序或来自php的错误消息，而不是上面的代码。
<input type="hidden" name="MAX_FILE_SIZE" value="5242880">
<fieldset><legend>Fill out the form to add a PDF to the site:</legend>
<div class="form-group has-error"><label for="title" class="control-label">Title</label><input type="text" name="title" id="title" class="form-control"><span class="help-block">Please enter the title!</span></div><div class="form-group has-error"><label for="description" class="control-label">Description</label><span class="help-block">Please enter the description!</span><textarea name="description" id="description" class="form-control"></textarea></div><div class="form-group has-error"><label for="pdf" class="control-label">PDF</label><input type="file" name="pdf" id="pdf"><span class="help-block">No file was uploaded.</span><span class="help-block">PDF only, 5MB Limit</span>
</div> <input type="submit" name="submit_button" value="Add This PDF" id="submit_button" class="btn btn-default" />
</fieldset>
</form>
<!-- END CONTENT -->
</div><!--/col-9-->
</div><!--/row-->
</div><!--/container-->
</div><!--/wrap-->
<div id="footer">
<div class="container">
<p class="text-muted credit"><span class="pull-left"><a href="site_map.php">Site Map</a> | <a href="policies.php">Policies</a></span> <span class="pull-right">© Knowledge is Power - 2013</span></p>
</div>
</div>
<script src="js/bootstrap.min.js"></script>
</body>
</html>
0
这里是PHP代码：
<?php
// This page is used by an administrator to add a PDF to the site.
// This script is created in Chapter 5.
// Require the configuration before any PHP code as the configuration controls error reporting:
require('./includes/config.inc.php');
// If the user isn't logged in as an administrator, redirect them:
redirect_invalid_user('user_admin');
// Require the database connection:
require(MYSQL);
// Include the header file:
$page_title = 'Add a PDF';
include('./includes/header.html');
// For storing errors:
$add_pdf_errors = array();
// Check for a form submission:
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// Check for a title:
if (!empty($_POST['title'])) {
$t = escape_data(strip_tags($_POST['title']), $dbc);
} else {
$add_pdf_errors['title'] = 'Please enter the title!';
}
// Check for a description:
if (!empty($_POST['description'])) {
$d = escape_data(strip_tags($_POST['description']), $dbc);
} else {
$add_pdf_errors['description'] = 'Please enter the description!';
}
// Check for a PDF:
if (is_uploaded_file($_FILES['pdf']['tmp_name']) && ($_FILES['pdf']['error'] === UPLOAD_ERR_OK)) {
// Get a reference:
$file = $_FILES['pdf'];
// Find the size:
$size = ROUND($file['size']/1024);
// Validate the file size (5MB max):
if ($size > 15120) {
$add_pdf_errors['pdf'] = 'The uploaded file was too large.';
}
// Validate the file type:
// Create the resource:
$fileinfo = finfo_open(FILEINFO_MIME_TYPE);
// Check the file:
if (finfo_file($fileinfo, $file['tmp_name']) !== 'application/pdf') {
$add_pdf_errors['pdf'] = 'The uploaded file was not a PDF.';
}
// Close the resource:
finfo_close($fileinfo);
// Move the file over, if no problems:
if (!array_key_exists('pdf', $add_pdf_errors)) {
// Create a tmp_name for the file:
$tmp_name = sha1($file['name']) . uniqid('',true);
// Move the file to its proper folder but add _tmp, just in case:
$dest = PDFS_DIR . $tmp_name . '_tmp';
if (move_uploaded_file($file['tmp_name'], $dest)) {
// Store the data in the session for later use:
$_SESSION['pdf']['tmp_name'] = $tmp_name;
$_SESSION['pdf']['size'] = $size;
$_SESSION['pdf']['file_name'] = $file['name'];
// Print a message:
echo '<div class="alert alert-success"><h3>The file has been uploaded!</h3></div>';
} else {
trigger_error('The file could not be moved.');
unlink ($file['tmp_name']);
}
} // End of array_key_exists() IF.
} elseif (!isset($_SESSION['pdf'])) { // No current or previous uploaded file.
switch ($_FILES['pdf']['error']) {
case 1:
case 2:
$add_pdf_errors['pdf'] = 'The uploaded file was too large.';
break;
case 3:
$add_pdf_errors['pdf'] = 'The file was only partially uploaded.';
break;
case 6:
case 7:
case 8:
$add_pdf_errors['pdf'] = 'The file could not be uploaded due to a system error.';
break;
case 4:
default:
$add_pdf_errors['pdf'] = 'No file was uploaded.';
break;
} // End of SWITCH.
} // End of $_FILES IF-ELSEIF-ELSE.
if (empty($add_pdf_errors)) { // If everything's OK.
// Add the PDF to the database:
$fn = escape_data($_SESSION['pdf']['file_name'], $dbc);
$tmp_name = escape_data($_SESSION['pdf']['tmp_name'], $dbc);
$size = (int) $_SESSION['pdf']['size'];
$q = "INSERT INTO pdfs (title, description, tmp_name, file_name, size) VALUES ('$t', '$d', '$tmp_name', '$fn', $size)";
$r = mysqli_query($dbc, $q);
if (mysqli_affected_rows($dbc) === 1) { // If it ran OK.
// Rename the temporary file:
$original = PDFS_DIR . $tmp_name . '_tmp';
$dest = PDFS_DIR . $tmp_name;
rename($original, $dest);
// Print a message:
echo '<div class="alert alert-success"><h3>The PDF has been added!</h3></div>';
// Clear $_POST:
$_POST = array();
// Clear $_FILES:
$_FILES = array();
// Clear $file and $_SESSION['pdf']:
unset($file, $_SESSION['pdf']);
} else { // If it did not run OK.
trigger_error('The PDF could not be added due to a system error. We apologize for any inconvenience.');
unlink ($dest);
}
} // End of $errors IF.
} else { // Clear out the session on a GET request:
unset($_SESSION['pdf']);
} // End of the submission IF.
// Need the form functions script, which defines create_form_input():
require('includes/form_functions.inc.php');
?><h1>Add a PDF</h1>
<form enctype="multipart/form-data" action="add_pdf.php" method="post" accept-charset="utf-8">
<input type="hidden" name="MAX_FILE_SIZE" value="5242880">
<fieldset><legend>Fill out the form to add a PDF to the site:</legend>
<?php
create_form_input('title', 'text', 'Title', $add_pdf_errors);
create_form_input('description', 'textarea', 'Description', $add_pdf_errors);
// Add the file input:
echo '<div class="form-group';
// Add classes, if applicable:
if (array_key_exists('pdf', $add_pdf_errors)) {
echo ' has-error';
} else if (isset($_SESSION['pdf'])) {
echo ' has-success';
}
echo '"><label for="pdf" class="control-label">PDF</label><input type="file" name="pdf" id="pdf">';
// Check for an error:
if (array_key_exists('pdf', $add_pdf_errors)) {
echo '<span class="help-block">' . $add_pdf_errors['pdf'] . '</span>';
} else { // No error.
// If the file exists (from a previous form submission but there were other errors),
// store the file info in a session and note its existence:
if (isset($_SESSION['pdf'])) {
echo '<p class="lead">Currently: "' . $_SESSION['pdf']['file_name'] . '"</p>';
}
} // end of errors IF-ELSE.
echo '<span class="help-block">PDF only, 5MB Limit</span>
</div>';
?>
<input type="submit" name="submit_button" value="Add This PDF" id="submit_button" class="btn btn-default" />
</fieldset>
</form>
<?php // Include the HTML footer:
include('./includes/footer.html');
?>