我正在使用Woocommerce类别插件，它可以将横幅图像分配到特定类别，如果用户正在查看类别页面，则会在页面标题中显示。
但是，有人在特定产品页面上点击后，我也希望显示相同的横幅。
插件的代码如下，我希望有人可以提供帮助，或者至少指出我正确的方向。
非常感谢您的所有输入
插件代码
<?php
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
if ( ! class_exists( 'WCB_Category_Banner' ) ) :
class WCB_Category_Banner {
public function __construct() {
// Add Scripts and styles
add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts_and_styles' ) );
// Add the fields to the product cateogry taxonomy
add_action( 'product_cat_edit_form_fields', array( $this, 'wcb_product_cat_taxonomy_custom_fields' ), 10, 2 );
// Save the changes made on the product category taxonomy
add_action( 'edited_product_cat', array( $this, 'wcb_product_cat_save_taxonomy_custom_fields'), 10, 2 );
// Add a banner image based on category taxonomy image
add_action( 'woo_header_inside', array( $this, 'wcb_show_category_banner'), 30 );
}
/*
* Adds necessary admin scripts
*/
public function admin_scripts_and_styles() {
// Get current screen attributes
$screen = get_current_screen();
if ( $screen != null and $screen->id == "edit-product_cat" ) {
// Adds WP Modal Window References
wp_enqueue_media();
// Enque the script
wp_enqueue_script( 'wcb_admin_script',
plugin_dir_url( __FILE__ ) . 'assets/js/wcb-admin.js',
array('jquery'), '1.0.0', true
);
// Add Style
wp_enqueue_style(
'wcb_admin_styles',
plugins_url( '/assets/css/wcb-admin.css', __FILE__ )
);
}
}
/*
* Adds default option values
*/
public function wcb_product_cat_taxonomy_custom_fields( $tag ) {
// Check for existing taxonomy meta for the term you're editing
$t_id = $tag->term_id; // Get the ID of the term you're editing
$term_meta = get_option( "taxonomy_term_$t_id" ); // Do the check
// Get banner image
if ( isset( $term_meta['banner_url_id'] ) and $term_meta['banner_url_id'] != '' )
$banner_id = $term_meta['banner_url_id'];
else
$banner_id = null;
// Get banner link
if ( isset( $term_meta['banner_link'] ) and $term_meta['banner_link'] != '' )
$banner_link = $term_meta['banner_link'];
else
$banner_link = null;
?>
<tr class="form-field banner_url_form_field">
<th scope="row" valign="top">
<label for="banner_url"><?php _e('Banner Image'); ?></label>
</th>
<td>
<fieldset>
<a class='wcb_upload_file_button button' uploader_title='Select File' uploader_button_text='Include File'>Upload File</a>
<a class='wcb_remove_file button'>Remove File</a>
<label class='banner_url_label' ><?php if ( $banner_id != null ) echo basename( wp_get_attachment_url( $banner_id ) ) ?></label>
</fieldset>
<fieldset>
<img class="cat_banner_img_admin" src="<?php if ( $banner_id != null ) echo wp_get_attachment_url( $banner_id ) ?>" />
</fieldset>
<input type="hidden" class='wcb_image' name='term_meta[banner_url_id]' value='<?php if ( $banner_id != null ) echo $banner_id; ?>' />
</td>
</tr>
<tr class="form-field banner_link_form_field">
<th scope="row" valign="top">
<label for="banner_link"><?php _e('Banner Image Link'); ?></label>
</th>
<td>
<fieldset>
<input type="url" name='term_meta[banner_link]' value='<?php if ( $banner_link != null ) echo $banner_link ?>' />
<label class="banner_link_label" for="banner_link"><em>Where users will be directed if they click the banner.</em></label>
</fieldset>
</td>
</tr>
<?php
}
// A callback function to save our extra taxonomy field(s)
public function wcb_product_cat_save_taxonomy_custom_fields( $term_id ) {
if ( isset( $_POST['term_meta'] ) ) {
$t_id = $term_id;
$term_meta = get_option( "taxonomy_term_$t_id" );
$cat_keys = array_keys( $_POST['term_meta'] );
foreach ( $cat_keys as $key ){
if ( isset( $_POST['term_meta'][$key] ) ){
$term_meta[$key] = $_POST['term_meta'][$key];
}
}
//save the option array
update_option( "taxonomy_term_$t_id", $term_meta );
}
}
// Retreives and print the category banner
public function wcb_show_category_banner() {
global $woocommerce;
global $wp_query;
// Make sure this is a product category page
if ( is_product_category() ) {
$cat_id = $wp_query->queried_object->term_id;
$term_options = get_option( "taxonomy_term_$cat_id" );
// Ge the banner image id
if ( $term_options['banner_url_id'] != '' )
$url = wp_get_attachment_url( $term_options['banner_url_id'] );
// Exit if the image url doesn't exist
if ( !isset( $url ) or $url == false )
return;
// Get the banner link if it exists
if ( $term_options['banner_link'] != '' )
$link = $term_options['banner_link'];
// Print Output
if ( isset( $link ) )
echo "<a href='" . $link . "'>";
if ( $url != false )
echo "<div id=\"mainslider\"><img src='" . $url . "' class='category_banner_image' /></div>";
echo '
<div id="welcome" style="width:300px; min-height:210px;">
<div class="whitebanner">
<h2>Give Us a Call</h2></div>
<p class="welcometext"><strong>Janet Morley & Jill Perkins</strong></p>
<p class="welcomedetails">Tel: +44 (15395) 64247<br/>
Tel: +44 (16268) 88069<br/>
Mobile: +44 (77329) 26787<br/>
</p>
</div>
';
if ( isset( $link ) )
echo "</a>";
}
}
}
endif;
new WCB_Category_Banner();
?>
答案 0 :(得分：1)
首先，您需要考虑如果一个产品有多个类别会发生什么，如果有，哪一个会显示？
我们需要创建和列出类别ID并随机选择一个，对吧？
所以：
从该ID
中获取相应的横幅 $termArray = array();
$terms = get_the_terms($post->ID, "sectores");
//insert id's in to array
foreach ($terms as $id) {
$termArray[] = $id->term_id;
}
//get random id
$randomId = array_rand($termArray);
//final ID
$cat_id = $termArray[$randomId];
//Get values from database
$banner = get_option( "taxonomy_term_$cat_id" );
$url = wp_get_attachment_url( $banner['banner_url_id'] );
$link = $banner['banner_link'];
echo '<a href="'.$link.'">';
echo '<img src="'.$url.'">';
echo "<a>";