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javascript - Swiper coverflow 效果未按预期工作

转载 作者:行者123 更新时间:2023-11-28 19:13:44 25 4
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我想在我的 Wordpress 主题内的 Swiper 实例上使用 coverflow 效果。我注意到在我将开发控制台附加到页面下并更改断点之前,效果不会被触发。我需要修复,这是代码。是否可以使用 PHP 或 JS 将 Wordpress 提供的 URL 转换为 blob?

<!doctype html>
<html <?php language_attributes(); ?>>
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

<link rel="profile" href="http://gmpg.org/xfn/11">

<?php wp_head(); ?>
</head>
<body <?php body_class(); ?>>

<div class="preloader text-center">
<img class="img-fluid" src="<?php bloginfo('template_url')?>/assets/img/logo.png" width="300" id="preloader-img" />
</div>

<nav class="navbar fixed-top" id="bs-nav">
<div class="container-fluid" style="z-index:1;">

<div class="navbar-header">
<a class="navbar-brand" href="<?php bloginfo('url'); ?>">
<img src="<?php bloginfo('template_url'); ?>/assets/img/logo.png" id="logo-start" width="80" height="80">
<img src="<?php bloginfo('template_url'); ?>/assets/img/white_logo.png" id="logo-scroll" width="80" height="80">
</a>
</div>

<div class="row">
<div class="col-sm-12 col-md-12 col-lg-12 float-right">
<button class="hamburger hamburger--spin" type="button" data-toggle="collapse" data-target="#navbar-content" aria-controls="navbar-content" aria-expand="false" aria-label="<?php _e('Toggle Navigation'); ?>">
<span class="hamburger-box">
<span class="hamburger-inner"></span>
</span>
</button>
</div>
</div>
</div>

<div class="collapse navbar-collapse" id="navbar-content">
<div class="container">
<div class="row">
<div class="col-md-4 col-lg-4">
<?php
wp_nav_menu( array(
'theme_location' => 'header-menu',
'menu' => 'Menu',
'container' => false,
'depth' => 2,
'menu_class' => 'navbar-nav ml-auto',
'walker' => new Bootstrap_NavWalker(),
'fallback_cb' => 'Bootstrap_NavWalker::fallback',
) );
?>
</div>
<div class="col-md-8 col-lg-8 portfolio-nav">
<?php $v_nav = new WP_Query( ['post_type' => 'post', 'category_name' => 'portfolio', 'posts_per_page' => -1] ); ?>
<div class="swiper-container portfolio-swipe">
<div class="swiper-wrapper">
<?php if( $v_nav->have_posts() ): while( $v_nav->have_posts() ): $v_nav->the_post(); ?>
<div class="swiper-slide" style="background-image:url('<?php the_post_thumbnail_url(); ?>');">
<?php the_title('<h4>', '</h4>'); ?>
</div>
<?php endwhile; ?>
<?php endif; wp_reset_postdata(); ?>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</nav>
<script>
(function($){
$(document).ready(function(){

const swiper = new Swiper('.portfolio-swipe', {
effect: 'coverflow',
grabCursor: true,
centeredSlides: true,
slidesPerView: 'auto',
coverflowEffect: {
rotate: 50,
stretch: 0,
depth: 100,
modifier: 1,
slideShadows : true,
}
// pagination: {
// el: '.swiper-pagination',
// },
});
swiper.init();

});
}(jQuery));
</script>
<!-- DEBUG CODE -->
<style>
.portfolio-swipe {
width: 100%;
height: 400px;
padding-top: 50px;
padding-bottom: 50px;
}
.swiper-slide {
background-position: center;
background-size: cover;
width: 300px;
height: 300px;
}

.portfolio-nav{
margin: 5.5em 0 2em 0;
overflow:auto;
height:400px;
}
.portfolio-nav::-webkit-scrollbar {
display: none;
}
::-webkit-scrollbar {
display: none;
}
.portfolio-nav-link{
color: white;

position: absolute;
left: 15%;
margin: 2em 0 2em 0;
}
.portfolio-nav-link:hover ~ .portfolio-nav-thumb{
opacity: 1;
transition: all 300ms;
}
.portfolio-nav-thumb{
opacity: 0;
}
</style>

最佳答案

我找到了一个简单的解决方案,但它似乎有效。我注意到当折叠的 bootstrap4 偏移菜单打开时滑动器 slider 没有正确初始化,我决定在引导折叠动画完成后使用 shown.bs.collapse 初始化滑动器引导事件。

这是我使用过的代码,现在它运行良好,我将实现 WordPress 的 JSON RESTful API 来加载刷卡内容。

const swiper = new Swiper('.portfolio-swipe', {
loop: true,
effect: 'coverflow',
grabCursor: true,
centeredSlides: true,
slidesPerView: 'auto',
coverflowEffect: {
rotate: 50,
stretch: 0,
depth: 100,
modifier: 1,
slideShadows : true,
}
});
$('.navbar-collapse').on('shown.bs.collapse', function(){
swiper.update();
});

这似乎工作正常。调用更新函数将使并向滑动 slider 添加一个循环来完成这些技巧!

关于javascript - Swiper coverflow 效果未按预期工作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58807204/

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