Shopify Liquid：如果存在价格比较，如何仅显示产品变体的价格比较？

Question

我正在尝试显示某些产品变体的价格比较，但我无法弄清楚如何仅在变体的价格比较大于零时才显示它。它以 0.00 美元的价格显示比较。

它使用 javascript 来动态更新价格。这是代码：

<script type="text/javascript">
<!--
// mootools callback for multi variants dropdown selector
var selectCallback = function(variant, selector) {
if (variant && variant.available == true) {
// selected a valid variant
$('purchase').removeClass('disabled'); // remove unavailable class from add-to-cart button
$('purchase').disabled = false;           // reenable add-to-cart button
$('price-field').innerHTML = Shopify.formatMoney(variant.price, "{{shop.money_with_currency_format}}");  // update price field
$('compare-price').innerHTML = Shopify.formatMoney(variant.compare_at_price, "{{shop.money_with_currency_format}}");  // update compare at price
} else {
// variant doesn't exist
$('purchase').addClass('disabled');      // set add-to-cart button to unavailable class
$('purchase').disabled = true;              // disable add-to-cart button      
$('price-field').innerHTML = (variant) ? "Sold Out" : "Unavailable"; // update price-field message
}
};

// initialize multi selector for product
window.addEvent('domready', function() {
new Shopify.OptionSelectors("product-select", { product: {{ product | json }}, onVariantSelected: selectCallback }); 
});
-->
</script>

当我有一个原始的<div id="compare-price"></div> 时，脚本可以正常工作。每个变体的价格动态比较被添加到该 div。但是当没有比较价格时，它仍然会增加 0.00 美元。

当变体没有价格比较时，如何隐藏 div？我正在尝试做这样的事情：

{% if product.variant.compare_at_price %}
    <div id="compare-price"></div>
{% endif %}

有人知道怎么做吗？

Answer 1

好的，这就是我的工作。可能不是最优雅的解决方案，但它正在工作：

<script type="text/javascript">
<!--
// mootools callback for multi variants dropdown selector
var selectCallback = function(variant, selector) {
if (variant && variant.available == true) {
// selected a valid variant
$('purchase').removeClass('disabled'); // remove unavailable class from add-to-cart button
$('purchase').disabled = false;           // reenable add-to-cart button
$('price-field').innerHTML = Shopify.formatMoney(variant.price, "{{shop.money_with_currency_format}}");  // update price field
if(variant.compare_at_price > 0.0) {
$('compare-price').innerHTML = Shopify.formatMoney(variant.compare_at_price, "{{shop.money_with_currency_format}}");  // update compare at price
} else {
$('compare-price').innerHTML = "";
}
} else {
// variant doesn't exist
$('purchase').addClass('disabled');      // set add-to-cart button to unavailable class
$('purchase').disabled = true;              // disable add-to-cart button      
$('price-field').innerHTML = (variant) ? "Sold Out" : "Unavailable"; // update price-field message
}
};

// initialize multi selector for product
window.addEvent('domready', function() {
new Shopify.OptionSelectors("product-select", { product: {{ product | json }}, onVariantSelected: selectCallback }); 
});
-->
</script>

Answer 2

为什么不在回调中检查价格比较？您已收到变体，因此您可以检查价格......并适当地处理它们。

if(variant.compare_at_price > 0.0) {
    $('compare-price').show().innerHTML = Shopify.formatMoney(variant.compare_at_price, "{{shop.money_with_currency_format}}");
} else {
    $('compare-price').hide();
}