77 lines
2.4 KiB
JavaScript
77 lines
2.4 KiB
JavaScript
document.addEventListener("DOMContentLoaded", function() {
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// 获取所有轮播图容器
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const carousels = document.querySelectorAll('.image-carousel');
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carousels.forEach(carousel => {
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const slides = carousel.querySelectorAll('.carousel-slide');
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const prevBtn = carousel.querySelector('.carousel-prev');
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const nextBtn = carousel.querySelector('.carousel-next');
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const dots = carousel.querySelectorAll('.carousel-dot');
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let currentIndex = 0;
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// 显示特定索引的幻灯片
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function showSlide(index) {
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// 隐藏所有幻灯片
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slides.forEach(slide => {
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slide.style.display = 'none';
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});
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// 移除所有圆点的active类
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dots.forEach(dot => {
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dot.classList.remove('active');
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});
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// 显示当前幻灯片
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slides[index].style.display = 'block';
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// 确保导航按钮总是可见
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if (prevBtn) prevBtn.style.display = 'flex';
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if (nextBtn) nextBtn.style.display = 'flex';
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// 给当前圆点添加active类
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if (dots.length > 0 && index < dots.length) {
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dots[index].classList.add('active');
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}
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}
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// 显示初始幻灯片
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showSlide(currentIndex);
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// 前一张按钮点击事件
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if (prevBtn) {
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prevBtn.addEventListener('click', (e) => {
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e.stopPropagation(); // 阻止事件冒泡
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currentIndex = currentIndex > 0 ? currentIndex - 1 : slides.length - 1;
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showSlide(currentIndex);
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});
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}
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// 下一张按钮点击事件
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if (nextBtn) {
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nextBtn.addEventListener('click', (e) => {
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e.stopPropagation(); // 阻止事件冒泡
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currentIndex = currentIndex < slides.length - 1 ? currentIndex + 1 : 0;
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showSlide(currentIndex);
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});
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}
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// 圆点点击事件
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dots.forEach((dot, index) => {
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dot.addEventListener('click', () => {
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currentIndex = index;
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showSlide(currentIndex);
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});
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});
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// 可选：键盘导航
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document.addEventListener('keydown', (e) => {
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if (e.key === 'ArrowLeft') {
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currentIndex = currentIndex > 0 ? currentIndex - 1 : slides.length - 1;
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showSlide(currentIndex);
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} else if (e.key === 'ArrowRight') {
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currentIndex = currentIndex < slides.length - 1 ? currentIndex + 1 : 0;
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showSlide(currentIndex);
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}
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});
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});
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}); |