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我正尝试使用自定义插件代码向当前订单添加运费。我已经编写了一个插件来显示一些单选按钮，用于传递选项和拾取选项，并为无线电检查事件嵌入一个JavaScript文件。以下是我的插件代码：在woocommerce（wordpress）结帐时无法更新运费金额
if (in_array('woocommerce/woocommerce.php', apply_filters('active_plugins', get_option('active_plugins')))) {
function radio_button_checks(){
wp_register_script('wp_head',plugin_dir_url(__FILE__).'radio_check.js',array('jquery'), '1.0', true);
wp_enqueue_script('wp_head');
}
function delivery_form() {
$content = '<div style="width:90%; margin-top:10px; float:left; background-color:rgba(255, 255, 255, 0.85); border-radius:5px; padding:5%;">';
$content .= '<h3 id="first-self-id"><input type="radio" value="self_product_pick_up" class="distance_between_text" name="delivery" id="self-delivery" />PICK UP AT THE TROPICAL FRUIT TRIBE HQ KICTHEN AT 1/1 GENERAL BRIDGES CREC, DACEYVILLE 2032</h2>';
$content .= '<div id="self-delivery-functionality" class="delivery_functionality" style="width: 100%; display: inline-block;">';
$content .= '<div class="self_delivery_day" style="width: 45%; float: left; padding: 0% 2%; text-align: right; ">';
$content .= '<h4><input type="radio" value="tuesday" class="distance_between_text" />TUE</h4>';
$content .= '</div>';
$content .= '<div class="self_delivery_time" style="width: 45%; float: left; padding: 0% 2%; text-align: left;">';
$content .= '<h4><input type="radio" name="pickup_time" value="9AM-12PM" class="distance_between_text" />9AM-12PM</h4>';
$content .= '<h4><input type="radio" name="pickup_time" value="12PM-3PM" class="distance_between_text" />12PM-3PM</h4>';
$content .= '<h4><input type="radio" name="pickup_time" value="3PM-6PM" class="distance_between_text" />3PM-6PM</h4>';
$content .= '<h4><input type="radio" name="pickup_time" value="6PM-8PM" class="distance_between_text" />6PM-8PM</h4>';
$content .= '</div>';
$content .= '</div>';
$content .= '<h3 id="second-notSelf-id"><input type="radio" value="shop_keeper_delivery" class="distance_between_text" checked="checked" name="delivery" id="other-one-deliver" />DELIVERY OPTION ($12 only)</h2>';
$content .= '<div id="seller-delivery-functionality" style="display:block;">';
$content .= '<div class="delivery-info-text" style="text-align: left;">';
$content .= '<p style="margin:5px; font-size:1em;">PLEASE KEEP IN MIND THAT THIS IS A FROZEN PRODUTS AND NEEDS TO BE STORED IN FREEZER IMMEDIATLY UPON DELIVERY. PLEASE ENSURE YOU ARE AVAILABLE TO TAKE THIS DELIVERY AT THE DROP OFF LOCATION SPECIFIED.</p>';
$content .= '</div>';
$content .= '<div class="delivery_functionality" style="width: 100%; display: inline-block;">';
$content .= '<div class="shop_keeper_delivery_day" style="width: 45%; float: left; padding: 0% 2%; text-align: right;">';
$content .= '<h4><input type="radio" name="delivery_day" value="monday" class="distance_between_text" />Mon</h4>';
$content .= '<h4><input type="radio" name="delivery_day" value="fri" class="distance_between_text" />Fri</h4>';
$content .= '</div>';
$content .= '<div class="shop_keeper_delivery_time" style="width: 45%; float: left; padding: 0% 2%; text-align: left;">';
$content .= '<h4><input type="radio" name="delivery_time" value="9AM-12PM" name="" class="distance_between_text" />9AM-12PM</h4>';
$content .= '<h4><input type="radio" name="delivery_time" value="12PM-3PM" class="distance_between_text" />12PM-3PM</h4>';
$content .= '<h4><input type="radio" name="delivery_time" value="3PM-6PM" class="distance_between_text" />3PM-6PM</h4>';
$content .= '<h4><input type="radio" name="delivery_time" value="6PM-8PM" class="distance_between_text" />6PM-8PM</h4>';
$content .= '</div>';
$content .= '</div>';
$content .= '</div>';
$content .= '<input type="hidden" id="shipping_rate" value="0.00" /> ';
$content .= '</div>';
echo $content;
}
add_action("woocommerce_after_cart_table","delivery_form");
add_action("wp_enqueue_scripts","radio_button_checks");
和我radio_check.js文件包含以下代码：
jQuery(document).ready(function(){
/* Checkout CheckBox Functionality for Self Delivery */
jQuery("#self-delivery-functionality").hide("slow");
jQuery("#seller-delivery-functionality").show("slow");
jQuery("#self-delivery").click(function() {
if(jQuery(this).is(':checked')) {
jQuery("#self-delivery-functionality").show("slow");
jQuery("#seller-delivery-functionality").hide("slow");
jQuery("#seller-delivery-functionality").find("input[type='checkbox']").prop("checked", false);
jQuery("#seller-delivery-functionality").find("input[type='radio']").prop("checked", false);
}
});
/* Checkout CheckBox Functionality for having Delivery Functionality */
jQuery("#other-one-deliver").click(function() {
if(jQuery(this).is(':checked')) {
jQuery("#seller-delivery-functionality").show("slow");
jQuery("#self-delivery-functionality").hide("slow");
jQuery("#self-delivery-functionality").find("input[type='checkbox']").prop("checked", false);
jQuery("#self-delivery-functionality").find("input[type='radio']").prop("checked", false);
}
});
jQuery('input[name=delivery_time]').click(function(){
if(jQuery(this).is(':checked'))
{
var curr_amount_dol = jQuery('.cart-subtotal .amount').html().replace('$','');
var total_amount = parseFloat(curr_amount_dol) + parseFloat(12.00);
//alert(total_amount.toFixed(2));
jQuery('#shipping_rate').val('$'+total_amount.toFixed(2));
jQuery('.order-total .amount').html('$'+total_amount.toFixed(2));
}
});
}); //ready function ends
此代码更新总量（只显示）与运费一起（这是$ 12个），但是当我点击结账按钮时，我将无法获得下一页上的运费总额。
我应该在此代码中添加哪些内容来更新单选按钮上的运费？
注意：现在通过JavaScript更新总量。