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我正在使用名为User Submitted Posts的WordPress插件。该插件允许用户上传多张照片。我设置了它，以便用户可以上传0到最多3个。但是，当我尝试上传多张图片时，只有其中一张张贴。添加另一个图像js功能
HTML：
<div id="usp">
<form id="usp_form" method="post" enctype="multipart/form-data" action="">
<ul id="usp_list">
<li class="usp_title">
<label for="user-submitted-title" class="usp_label">Post Title</label>
<div>
<input class="usp_input" type="text" name="user-submitted-title" id="user-submitted-title" value="" />
</div>
</li>
<li class="usp_tags">
<label for="user-submitted-tags" class="usp_label">Post Tags <small>(separate tags with commas)</small></label>
<div>
<input class="usp_input" type="text" name="user-submitted-tags" id="user-submitted-tags" value="" />
</div>
</li>
<li class="usp_content">
<label for="user-submitted-content" class="usp_label">Post Content</label>
<div>
<textarea class="usp_textarea" name="user-submitted-content" id="user-submitted-content" rows="5"></textarea>
</div>
</li>
<li class="usp_images">
<label for="user-submitted-image" class="usp_label">Upload an Image</label>
<div id="usp_upload-message"></div>
<div>
<input class="usp_input usp_clone" type="file" size="25" id="user-submitted-image" name="user-submitted-image[]" />
<a href="#" id="usp_add-another">Add another image</a>
</div>
</li>
<li class="usp_submit">
<input class="usp_input" type="submit" name="user-submitted-post" id="user-submitted-post" value="Submit Post" />
</li>
</ul>
</form>
PHP：
if (!class_exists('Public_Submission_Form')) {
class Public_Submission_Form {
var $version = '1.0';
var $_post_meta_IsSubmission = 'is_submission';
var $_post_meta_Submitter = 'user_submit_name';
var $_post_meta_SubmitterUrl = 'user_submit_url';
var $_post_meta_SubmitterIp = 'user_submit_ip';
var $_post_meta_Image = 'user_submit_image';
var $_post_meta_ImageInfo = 'user_submit_image_info';
var $settings = null;
function Public_Submission_Form() {
register_activation_hook(__FILE__, array(&$this, 'saveDefaultSettings'));
add_action('admin_init', array(&$this, 'checkForSettingsSave'));
add_action('admin_menu', array(&$this, 'addAdministrativeElements'));
add_action('init', array(&$this, 'enqueueResources'));
add_action('parse_request', array(&$this, 'checkForPublicSubmission'));
add_action('parse_query', array(&$this, 'addSubmittedStatusClause'));
add_action('restrict_manage_posts', array(&$this, 'outputUserSubmissionLink'));
add_filter('the_author', array(&$this, 'replaceAuthor'));
add_filter('the_author_link', array(&$this, 'replaceAuthorLink'));
add_filter('post_stati', array(&$this, 'addNewPostStatus'));
add_shortcode('user-submitted-posts', array(&$this, 'getPublicSubmissionForm'));
}
function addAdministrativeElements() {
add_options_page(__('User Submitted Posts'), __('User Submitted Posts'), 'manage_options', 'user-submitted-posts', array(&$this, 'displaySettingsPage'));
}
function addNewPostStatus($postStati) {
$postStati['submitted'] = array(__('Submitted'), __('User submitted posts'), _n_noop('Submitted', 'Submitted'));
return $postStati;
}
function addSubmittedStatusClause($wp_query) {
global $pagenow;
if (is_admin() && $pagenow == 'edit.php' && $_GET['user_submitted'] == '1') {
set_query_var('meta_key', $this->_post_meta_IsSubmission);
set_query_var('meta_value', 1);
set_query_var('post_status', 'pending');
}
}
function checkForPublicSubmission() {
if (isset($_POST['user-submitted-post']) && ! empty($_POST['user-submitted-post'])) {
$settings = $this->getSettings();
$title = stripslashes($_POST['user-submitted-title']);
$content = stripslashes($_POST['user-submitted-content']);
$authorName = stripslashes($_POST['user-submitted-name']);
$authorUrl = stripslashes($_POST['user-submitted-url']);
$tags = stripslashes($_POST['user-submitted-tags']);
$category = intval($_POST['user-submitted-category']);
$fileData = $_FILES['user-submitted-image'];
$publicSubmission = $this->createPublicSubmission($title, $content, $authorName, $authorUrl, $tags, $category, $fileData);
if (false == ($publicSubmission)) {
$errorMessage = empty($settings['error-message']) ? __('An error occurred. Please go back and try again.') : $settings['error-message'];
if(!empty($_POST[ 'redirect-override' ])) {
$redirect = stripslashes($_POST[ 'redirect-override' ]);
$redirect = add_query_arg(array('submission-error' => '1'), $redirect);
wp_redirect($redirect);
exit();
}
wp_die($errorMessage);
} else {
$redirect = empty($settings['redirect-url']) ? $_SERVER['REQUEST_URI'] : $settings['redirect-url'];
if (! empty($_POST['redirect-override'])) {
$redirect = stripslashes($_POST['redirect-override']);
}
$redirect = add_query_arg(array('success'=>1), $redirect);
wp_redirect($redirect);
exit();
}
}
}
function checkForSettingsSave() {
if (isset($_POST['save-post-submission-settings']) && current_user_can('manage_options') && check_admin_referer('save-post-submission-settings')) {
$settings = $this->getSettings();
$settings['author'] = get_userdata($_POST['author']) ? $_POST['author'] : $settings['author'];
$settings['categories'] = is_array($_POST['categories']) && ! empty($_POST['categories']) ? array_unique($_POST['categories']) : array(get_option('default_category'));
$settings['number-approved'] = is_numeric($_POST['number-approved']) ? intval($_POST['number-approved']) : - 1;
$settings['redirect-url'] = stripslashes($_POST['redirect-url']);
$settings['error-message'] = stripslashes($_POST['error-message']);
$settings['min-images'] = is_numeric($_POST['min-images']) ? intval($_POST['min-images']) : $settings['max-images'];
$settings['max-images'] = (is_numeric($_POST['max-images']) && ($settings['min-images'] <= $_POST['max-images'])) ? intval($_POST['max-images']) : $settings['max-images'];
$settings['min-image-height'] = is_numeric($_POST['min-image-height']) ? intval($_POST['min-image-height']) : $settings['min-image-height'];
$settings['min-image-width'] = is_numeric($_POST['min-image-width']) ? intval($_POST['min-image-width']) : $settings['min-image-width'];
$settings['max-image-height'] = (is_numeric($_POST['max-image-height']) && ($settings['min-image-height'] <= $_POST['max-image-height'])) ? intval($_POST['max-image-height']) : $settings['max-image-height'];
$settings['max-image-width'] = (is_numeric($_POST['max-image-width']) && ($settings['min-image-width'] <= $_POST['max-image-width'])) ? intval($_POST['max-image-width']) : $settings['max-image-width'];
$settings['usp_name'] = stripslashes($_POST['usp_name']);
$settings['usp_url'] = stripslashes($_POST['usp_url']);
$settings['usp_title'] = stripslashes($_POST['usp_title']);
$settings['usp_tags'] = stripslashes($_POST['usp_tags']);
$settings['usp_category'] = stripslashes($_POST['usp_category']);
$settings['usp_content'] = stripslashes($_POST['usp_content']);
$settings['usp_images'] = stripslashes($_POST['usp_images']);
$settings['upload-message'] = stripslashes($_POST['upload-message']);
$settings['usp_form_width'] = stripslashes($_POST['usp_form_width']);
$this->saveSettings($settings);
wp_redirect(admin_url('options-general.php?page=user-submitted-posts&updated=1'));
}
}
function displaySettingsPage() {
include ('views/settings.php');
}
function enqueueResources() {
wp_enqueue_script('usp_script', WP_PLUGIN_URL.'/'.basename(dirname(__FILE__)).'/resources/user-submitted-posts.js', array('jquery'), $this->version);
wp_enqueue_style('usp_style', WP_PLUGIN_URL.'/'.basename(dirname(__FILE__)).'/resources/user-submitted-posts.css', false, $this->version, 'screen');
}
function getPublicSubmissionForm($atts = array(), $content = null) {
if ($atts === true) {
$redirect = $this->currentPageURL();
}
ob_start();
include (WP_PLUGIN_DIR.'/'.basename(dirname(__FILE__)).'/views/submission-form.php');
return ob_get_clean();
}
function outputUserSubmissionLink() {
global $pagenow;
if ($pagenow == 'edit.php') {
echo '<a id="usp_admin_filter_posts" class="button-secondary" href="'.admin_url('edit.php?post_status=pending&user_submitted=1').'">'.__('User Submitted Posts').'</a>';
}
}
function replaceAuthor($author) {
global $post;
$isSubmission = get_post_meta($post->ID, $this->_post_meta_IsSubmission, true);
$submissionAuthor = get_post_meta($post->ID, $this->_post_meta_Submitter, true);
if ($isSubmission && ! empty($submissionAuthor)) {
return $submissionAuthor;
} else {
return $author;
}
}
function replaceAuthorLink($authorLink) {
global $post;
$isSubmission = get_post_meta($post->ID, $this->_post_meta_IsSubmission, true);
$submissionAuthor = get_post_meta($post->ID, $this->_post_meta_Submitter, true);
$submissionLink = get_post_meta($post->ID, $this->_post_meta_SubmitterUrl, true);
if ($isSubmission && ! empty($submissionAuthor)) {
if (empty($submissionLink)) {
return $submissionAuthor;
} else {
return "<a href='{$submissionLink}'>{$submissionAuthor}</a>";
}
} else {
return $authorLink;
}
}
function saveDefaultSettings() {
$settings = $this->getSettings();
if (empty($settings)) {
$currentUser = wp_get_current_user();
$settings = array();
$settings['author'] = $currentUser->ID;
$settings['categories'] = array(get_option('default_category'));
$settings['number-approved'] = -1;
$settings['redirect-url'] = ''; //site_url();
$settings['error-message'] = __('There was an error. Please ensure that you have added a title, some content, and that you have uploaded only images.');
$settings['min-images'] = 0;
$settings['max-images'] = 1;
$settings['min-image-height'] = 0;
$settings['min-image-width'] = 0;
$settings['max-image-height'] = 500;
$settings['max-image-width'] = 500;
$settings['usp_name'] = 'show';
$settings['usp_url'] = 'show';
$settings['usp_title'] = 'show';
$settings['usp_tags'] = 'show';
$settings['usp_category'] = 'show';
$settings['usp_content'] = 'show';
$settings['usp_images'] = 'hide';
$settings['upload-message'] = ''; // 'Please select your image(s) to upload:';
$settings['usp_form_width'] = '300'; // in pixels
$this->saveSettings($settings);
}
}
function getSettings() {
if ($this->settings === null) {
$defaults = array();
$this->settings = get_option('User Submitted Posts Settings', array());
}
return $this->settings;
}
function saveSettings($settings) {
if (!is_array($settings)) {
return;
}
$this->settings = $settings;
update_option('User Submitted Posts Settings', $this->settings);
}
function createPublicSubmission($title, $content, $authorName, $authorUrl, $tags, $category, $fileData) {
$settings = $this->getSettings();
$authorName = strip_tags($authorName);
$authorUrl = strip_tags($authorUrl);
$authorIp = $_SERVER['REMOTE_ADDR'];
if (!$this->validateTitle($title)) {
return false;
}
if (!$this->validateContent($title)) {
return false;
}
if (!$this->validateTags($tags)) {
return false;
}
$postData = array();
$postData['post_title'] = $title;
$postData['post_content'] = $content;
$postData['post_status'] = 'pending';
$postData['author'] = $settings['author'];
$numberApproved = $settings['number-approved'];
if ($numberApproved < 0) {} elseif ($numberApproved == 0) {
$postData['post_status'] = 'publish';
} else {
$posts = get_posts(array('post_status'=>'publish', 'meta_key'=>$this->_post_meta_Submitter, 'meta_value'=>$authorName));
$counter = 0;
foreach ($posts as $post) {
$submitterUrl = get_post_meta($post->ID, $this->_post_meta_SubmitterUrl, true);
$submitterIp = get_post_meta($post->ID, $this->_post_meta_SubmitterIp, true);
if ($submitterUrl == $authorUrl && $submitterIp == $authorIp) {
$counter++;
}
}
if ($counter >= $numberApproved) {
$postData['post_status'] = 'publish';
}
}
$newPost = wp_insert_post($postData);
if ($newPost) {
wp_set_post_tags($newPost, $tags);
wp_set_post_categories($newPost, array($category));
if (!function_exists('media_handle_upload')) {
require_once (ABSPATH.'/wp-admin/includes/media.php');
require_once (ABSPATH.'/wp-admin/includes/file.php');
require_once (ABSPATH.'/wp-admin/includes/image.php');
}
$attachmentIds = array();
$imageCounter = 0;
for ($i = 0; $i < count($fileData['name']); $i++) {
$imageInfo = getimagesize($fileData['tmp_name'][$i]);
if (false === $imageInfo || !$this->imageIsRightSize($imageInfo[0], $imageInfo[1])) {
continue;
}
$key = "public-submission-attachment-{$i}";
$_FILES[$key] = array();
$_FILES[$key]['name'] = $fileData['name'][$i];
$_FILES[$key]['tmp_name'] = $fileData['tmp_name'][$i];
$_FILES[$key]['type'] = $fileData['type'][$i];
$_FILES[$key]['error'] = $fileData['error'][$i];
$_FILES[$key]['size'] = $fileData['size'][$i];
$attachmentId = media_handle_upload($key, $newPost);
if (!is_wp_error($attachmentId) && wp_attachment_is_image($attachmentId)) {
$attachmentIds[] = $attachmentId;
add_post_meta($newPost, $this->_post_meta_Image, wp_get_attachment_url($attachmentId));
$imageCounter++;
} else {
wp_delete_attachment($attachmentId);
}
if ($imageCounter == $settings['max-images']) {
break;
}
}
if (count($attachmentIds) < $settings['min-images']) {
foreach ($attachmentIds as $idToDelete) {
wp_delete_attachment($idToDelete);
}
wp_delete_post($newPost);
return false;
}
update_post_meta($newPost, $this->_post_meta_IsSubmission, true);
update_post_meta($newPost, $this->_post_meta_Submitter, htmlentities(($authorName)));
update_post_meta($newPost, $this->_post_meta_SubmitterUrl, htmlentities(($authorUrl)));
update_post_meta($newPost, $this->_post_meta_SubmitterIp, $authorIp);
}
return $newPost;
}
function imageIsRightSize($width, $height) {
$settings = $this->getSettings();
$widthFits = ($width <= intval($settings['max-image-width'])) && ($width >= $settings['min-image-width']);
$heightFits = ($height <= $settings['max-image-height']) && ($height >= $settings['min-image-height']);
return $widthFits && $heightFits;
}
function validateContent($content) {
return ! empty($content);
}
function validateTags($tags) {
return true;
}
function validateTitle($title) {
return ! empty($title);
}
function currentPageURL() {
$pageURL = 'http';
if ($_SERVER["HTTPS"] == "on") {
$pageURL .= "s";
}
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80") {
$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
}
return $pageURL;
}
}
$publicSubmissionForm = new Public_Submission_Form();
include ('library/template-tags.php');
}
==模板标签==
要显示连接到用户提交帖子的图片，用这个模板标签：
<?php post_attachments(); ?>
此模板标签打印所有交附件的URL和接受下列paramters：
<?php post_attachments($size, $beforeUrl, $afterUrl, $numberImages, $postId); ?>
$size = image size as thumbnail, medium, large or full -> default = full $beforeUrl = text/markup displayed before the image URL -> default = <img src=" $afterUrl = text/markup displayed after the image URL -> default = " /> $numberImages = the number of images to display for each post -> default = false (display all) $postId = an optional post ID to use -> default = uses global post
此外，下面的模板标签返回的数组指定帖子图片的网址：
<?php get_post_images(); ?>
这个标签返回一个布尔值，指示指定的发布是否是公共投稿：
<?php is_public_submission(); ?>
谢谢。我编辑了我的问题以显示整个代码，希望你可以用'$ _FILES'来帮助我。 – blackessej
看看HTML的样子会更有用，以及'var_dump（$ _ FILES）' –
OK，HTML已添加。我很抱歉，但我不知道在哪里可以找到'var_dump（$ _ FILES）'，它似乎不存在于任何插件的代码中...... – blackessej