I'm developing an e-commerce website. I'm trying to set a cart item quantity using an ajax request.
I got this
if (isset($_POST['product_id']) && isset($_POST['new_quantity'])) {
global $woocommerce;
$woocommerce->cart->set_quantity($_POST['product_id'], $_POST['new_quantity']);
}
I also tried with
WC()->....
but it doesn't work and throws this error
Call to a member function needs_shipping() on null in on line 成员函数needs_shipping()上的空在线路
What can be causing this to happen?
If you need me to show some more code please tell me. Thanks
我在第1514行添加了if(is_object($_product))
并解决了我的问题。
Okay you can now update cart item's quantities without refreshing via AJAX (:
my functions.php looks like this
//Enqueue Ajax Scripts
function enqueue_cart_qty_ajax() {
wp_register_script( 'cart-qty-ajax-js', get_template_directory_uri() . '/js/cart-qty-ajax.js', array( 'jquery' ), '', true );
wp_localize_script( 'cart-qty-ajax-js', 'cart_qty_ajax', array( 'ajax_url' => admin_url( 'admin-ajax.php' ) ) );
wp_enqueue_script( 'cart-qty-ajax-js' );
}
add_action('wp_enqueue_scripts', 'enqueue_cart_qty_ajax');
function ajax_qty_cart() {
// Set item key as the hash found in input.qty's name
$cart_item_key = $_POST['hash'];
// Get the array of values owned by the product we're updating
$threeball_product_values = WC()->cart->get_cart_item( $cart_item_key );
// Get the quantity of the item in the cart
$threeball_product_quantity = apply_filters( 'woocommerce_stock_amount_cart_item', apply_filters( 'woocommerce_stock_amount', preg_replace( "/[^0-9\.]/", '', filter_var($_POST['quantity'], FILTER_SANITIZE_NUMBER_INT)) ), $cart_item_key );
// Update cart validation
$passed_validation = apply_filters( 'woocommerce_update_cart_validation', true, $cart_item_key, $threeball_product_values, $threeball_product_quantity );
// Update the quantity of the item in the cart
if ( $passed_validation ) {
WC()->cart->set_quantity( $cart_item_key, $threeball_product_quantity, true );
}
// Refresh the page
echo do_shortcode( '[woocommerce_cart]' );
die();
}
add_action('wp_ajax_qty_cart', 'ajax_qty_cart');
add_action('wp_ajax_nopriv_qty_cart', 'ajax_qty_cart');
My cart-qty-ajax.js looks like this.
jQuery( function( $ ) {
$( document ).on( 'change', 'input.qty', function() {
var item_hash = $( this ).attr( 'name' ).replace(/cart\[([\w]+)\]\[qty\]/g, "$1");
var item_quantity = $( this ).val();
var currentVal = parseFloat(item_quantity);
function qty_cart() {
$.ajax({
type: 'POST',
url: cart_qty_ajax.ajax_url,
data: {
action: 'qty_cart',
hash: item_hash,
quantity: currentVal
},
success: function(data) {
$( '.view-cart-popup' ).html(data);
}
});
}
qty_cart();
});
});
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