我发现了 woocommerce 加载更多按钮的代码,我想将其与 ajax 属性过滤器结合起来,但结果并不符合预期。加载更多按钮加载下一页的产品,忽略 ajax 过滤器。
https://github.com/bassscape/woocommerce-ajax-load-more-products
<?php
//-----------------------------------------------------
// [1] Enqueue scripts and add localized parameters
//-----------------------------------------------------
add_action( 'wp_enqueue_scripts', 'pp_custom_scripts_enqueue' );
function pp_custom_scripts_enqueue() {
$theme = wp_get_theme(); // Get the current theme version numbers for bumping scripts to load
// Make sure jQuery is being enqueued, otherwise you will need to do this.
// Register custom scripts
wp_register_script( 'woocommerce_load_more', get_stylesheet_directory_uri() . '/scripts/load_more.js', array( 'jquery' ), $theme['Version'], true); // Register script with depenancies and version in the footer
// Enqueue scripts
wp_enqueue_script('woocommerce_load_more');
global $wp_query; // Make sure important query information is available
// Use wp_localize_script to output some variables in the html of each WordPress page
// These variables/parameters are accessible to the load_more.js file we enqueued above
$localize_var_args = array(
'posts' => json_encode( $wp_query->query_vars ), // everything about your loop is here
'current_page' => get_query_var( 'paged' ) ? get_query_var('paged') : 1,
'max_page' => $wp_query->max_num_pages,
'ajaxurl' => admin_url( 'admin-ajax.php' )
);
wp_localize_script( 'woocommerce_load_more', 'wp_js_vars', $localize_var_args );
}
//-----------------------------------------------------
// [3] Load More Products with AJAX
//-----------------------------------------------------
add_action('wp_ajax_loadmore', 'pp_loadmore_ajax_handler'); // wp_ajax_{action}
add_action('wp_ajax_nopriv_loadmore', 'pp_loadmore_ajax_handler'); // wp_ajax_nopriv_{action}
function pp_loadmore_ajax_handler(){
// prepare our arguments for the query
$args = json_decode( stripslashes( $_POST['query'] ), true );
$args['paged'] = $_POST['page'] + 1; // we need next page to be loaded
$args['post_status'] = 'publish';
query_posts( $args );
if( have_posts() ) :
// run the loop
while( have_posts() ): the_post();
wc_get_template_part( 'content', 'product' ); // As we are loaded Woocommerce products we use wc_get_template_part
//echo '<p>'.get_the_title().'</p>'; // for the test purposes comment the line above and uncomment the below one
endwhile;
endif;
die; // Exit the script, wp_reset_query() required!
}
//-----------------------------------------------------
// [4] Remove Woocommerce pagination as we do not need it any more
//-----------------------------------------------------
remove_action( 'woocommerce_after_shop_loop', 'woocommerce_pagination', 10 );
//-----------------------------------------------------
// [5] Add in our load more products container and button
//-----------------------------------------------------
add_action( 'woocommerce_after_shop_loop', 'pp_woocommerce_products_load_more', 9 );
function pp_woocommerce_products_load_more(){
echo '<div id="container_products_more">';
woocommerce_product_loop_start();
woocommerce_product_loop_end();
//echo '<pre>' . var_export($wp_query, true) . '</pre>'; // For testing
if ( $wp_query->max_num_pages > 1 ) {
echo '<div id="pp_loadmore_products" class="button">LOAD MORE</div>';
}
echo '</div>';
}
//-----------------------------------------------------
// [6] Add a new class to the woocommerce_product_loop, we need this to target it with jQuery in load_more.js
//-----------------------------------------------------
function woocommerce_product_loop_start() { echo '<ul class="products products_archive_grid">'; }
function woocommerce_product_loop_end() { echo '</ul>'; } ?>
和Javascript
(function($) {
"use strict";
$(function() {
//-----------------------------------------------------
// [2] Ajax load products - On Click
//-----------------------------------------------------
$('#pp_loadmore_products').click(function(){
var button = $(this),
data = {
'action': 'loadmore',
'query': wp_js_vars.posts, // that's how we get params from wp_localize_script() function
'page' : wp_js_vars.current_page
};
$.ajax({
url : wp_js_vars.ajaxurl, // AJAX handler
data : data,
related_products : 'no',
type : 'POST',
beforeSend : function ( xhr ) {
button.addClass('loading');
button.text('LOADING ...'); // change the button text, you can also add a preloader image
},
success : function( data ){
if( data ) {
//console.log('current_page: ' + wp_js_vars.current_page + ' max_page: ' + wp_js_vars.max_page);
$('#container_products_more .products_archive_grid').append( data ); // where to insert posts
button.removeClass('loading');
button.text( 'LOAD MORE' );
wp_js_vars.current_page++;
if ( wp_js_vars.current_page == wp_js_vars.max_page )
button.remove(); // if last page, remove the button
} else {
button.remove(); // if no data, remove the button as well
}
}
});
});
});}(jQuery));
有什么建议吗???
函数.php
add_action('wp_enqueue_scripts', 'pp_custom_scripts_enqueue');
function pp_custom_scripts_enqueue()
{
$theme = wp_get_theme();
wp_register_script('woocommerce_load_more', get_stylesheet_directory_uri() . '/scripts/load_more.js', array('jquery'), $theme['Version'], true);
wp_enqueue_script('woocommerce_load_more');
global $wp_query;
$localize_var_args = array(
'posts' => json_encode($wp_query->query_vars),
'current_page' => get_query_var('paged') ? get_query_var('paged') : 1,
'max_page' => $wp_query->max_num_pages,
'ajaxurl' => admin_url('admin-ajax.php')
);
wp_localize_script('woocommerce_load_more', 'wp_js_vars', $localize_var_args);
}
add_action('wp_ajax_loadmore', 'pp_loadmore_ajax_handler');
add_action('wp_ajax_nopriv_loadmore', 'pp_loadmore_ajax_handler');
function pp_loadmore_ajax_handler()
{
$args = json_decode(stripslashes($_POST['query']), true);
$args['paged'] = $_POST['page'] + 1;
$args['post_status'] = 'publish';
query_posts($args);
if (have_posts()) :
// run the loop
while (have_posts()) : the_post();
// echo '<h3 class="post_title-item"> ' . get_the_title() . '</h3> <hr>';
wc_get_template_part('content', 'product'); // As we are loaded Woocommerce products we use wc_get_template_part
//echo '<p>'.get_the_title().'</p>'; // for the test purposes comment the line above and uncomment the below one
endwhile;
endif;
die;
}
remove_action('woocommerce_after_shop_loop', 'woocommerce_pagination', 10);
add_action('woocommerce_after_shop_loop', 'pp_woocommerce_products_load_more', 9);
function pp_woocommerce_products_load_more()
{
global $wp_query;
echo '<div id="container_products_more">';
woocommerce_product_loop_start();
woocommerce_product_loop_end();
//echo '<pre>' . var_export($wp_query, true) . '</pre>'; // For testing
if ($wp_query->max_num_pages > 1) {
echo '<div class="pp_loadmore_products-wrapper"><button id="pp_loadmore_products" class="button btn-black">Показати більше</button></div>';
}
echo '</div>';
}
function woocommerce_product_loop_start()
{
echo '<div class="products products__list products_archive_grid">';
}
function woocommerce_product_loop_end()
{
echo '</div>';
}
load_more.js
(function ($) {
"use strict";
$(function () {
//-----------------------------------------------------
// [2] Ajax load products - On Click
//-----------------------------------------------------
$('#pp_loadmore_products').click(function () {
var button = $(this),
data = {
'action': 'loadmore',
'query': wp_js_vars.posts, // that's how we get params from wp_localize_script() function
'page': wp_js_vars.current_page
};
$
.ajax({
url: wp_js_vars.ajaxurl, // AJAX handler
data: data,
related_products: 'no',
type: 'POST',
beforeSend: function (xhr) {
button.addClass('loading');
button.text('Показати більше ...'); // change the button text, you can also add a preloader image
},
success: function (data) {
if (data) {
$('#container_products_more .products_archive_grid').append(data); // where to insert posts
button.removeClass('loading');
button.text('Показати більше');
wp_js_vars.current_page++;
console.log(data);
if (wp_js_vars.current_page == wp_js_vars.max_page)
button.remove(); // if last page, remove the button
} else {
button.remove(); // if no data, remove the button as well
}
}
});
});
});
}(jQuery));