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[英]product page shows no products in woocommerce single product page
[英]Countdown timer until product sale ends on WooCommerce single product page
據我所知,我的目標是在產品頁面上的“添加到購物車”表單之后添加一個倒計時計時器,該計時器倒計時直到銷售結束。
我正在使用 w3schools 網站上的“ How TO - JavaScript 倒數計時器”,我編寫了使用 $ _sale_price_dates_to
$sale_date = get_post_meta( $product->get_id(), '_sale_price_dates_to', true );
我的問題是:產品頁面上沒有顯示任何內容。 沒有通知,沒有錯誤,錯誤日志中沒有任何內容。 我相信這是問題所在,但我不確定: var countDownDate = <?php $sale_date; ?>
var countDownDate = <?php $sale_date; ?>
到目前為止的代碼:
add_action( 'woocommerce_after_add_to_cart_form', 'sales_timer_countdown_product', 20 );
function sales_timer_countdown_product() {
global $product;
$sale_date = get_post_meta( $product->get_id(), '_sale_price_dates_to', true );
if (!empty( $sale_date ) ) { ?>
<script>
// Set the date we're counting down to
var countDownDate = <?php $sale_date; ?>
// Update the count down every 1 second
var x = setInterval(function() {
// Get today's date and time
var now = new Date().getTime();
// Find the distance between now and the count down date
var distance = countDownDate - now;
// Time calculations for days, hours, minutes and seconds
var days = Math.floor(distance / (1000 * 60 * 60 * 24));
var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
var seconds = Math.floor((distance % (1000 * 60)) / 1000);
// Output the result in an element with id="saleend"
document.getElementById("saleend").innerHTML = days + "d " + hours + "h "
+ minutes + "m " + seconds + "s ";
// If the count down is over, write some text
if (distance < 0) {
clearInterval(x);
document.getElementById("saleend").innerHTML = "The sale for this product has EXPIRED";
}
}, 1000);
</script>
<!-- this is where the countdown is displayed -->
<p id="saleend" style="color:red"></p>
<?php
}
}
乘以 1000,因為Date()
需要毫秒
function sales_timer_countdown_product() {
global $product;
$sale_date = get_post_meta( $product->get_id(), '_sale_price_dates_to', true );
if ( ! empty( $sale_date ) ) {
?>
<script>
// Set the date we're counting down to
var countDownDate = <?php echo $sale_date; ?> * 1000;
// Update the count down every 1 second
var x = setInterval(function() {
// Get today's date and time
var now = new Date().getTime();
// Find the distance between now and the count down date
var distance = countDownDate - now;
// Time calculations for days, hours, minutes and seconds
var days = Math.floor(distance / (1000 * 60 * 60 * 24));
var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
var seconds = Math.floor((distance % (1000 * 60)) / 1000);
// Output the result in an element with id="saleend"
document.getElementById("saleend").innerHTML = days + "d " + hours + "h " + minutes + "m " + seconds + "s ";
// If the count down is over, write some text
if (distance < 0) {
clearInterval(x);
document.getElementById("saleend").innerHTML = "The sale for this product has EXPIRED";
}
}, 1000);
</script>
<!-- this is where the countdown is displayed -->
<p id="saleend" style="color:red"></p>
<?php
}
}
add_action( 'woocommerce_after_add_to_cart_form', 'sales_timer_countdown_product', 20 );
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