220 lines
7.4 KiB
JavaScript
220 lines
7.4 KiB
JavaScript
'use client';
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import { useState, useEffect, useRef } from 'react';
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const ProductImageGallery = ({ data }) => {
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const [currentImageIndex, setCurrentImageIndex] = useState(0);
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const thumbnailContainerRef = useRef(null);
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// 如果没有attachments，不显示组件
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if (!data?.attachments || data.attachments.length === 0) {
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return null;
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}
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// 找到主图在attachments中的索引
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const getMainImageIndex = () => {
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if (!data.image) return 0;
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const mainImageIndex = data.attachments.findIndex(
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attachment => attachment.file_url === data.image
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);
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return mainImageIndex >= 0 ? mainImageIndex : 0;
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};
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const mainImageIndex = getMainImageIndex();
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const currentImage = data.attachments[currentImageIndex]?.file_url || data.attachments[0]?.file_url;
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// 初始化当前索引为主图索引
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useEffect(() => {
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setCurrentImageIndex(mainImageIndex);
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}, [mainImageIndex]);
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const changeMainImage = (direction) => {
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if (data.attachments.length <= 1) return;
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if (direction === 'next') {
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setCurrentImageIndex((prev) => (prev + 1) % data.attachments.length);
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} else {
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setCurrentImageIndex((prev) => (prev - 1 + data.attachments.length) % data.attachments.length);
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}
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};
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const changeMainImageByIndex = (index) => {
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setCurrentImageIndex(index);
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};
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// 智能滚动到缩略图 - 业内最佳实践
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const scrollToThumbnail = (index) => {
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if (!thumbnailContainerRef.current) return;
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const container = thumbnailContainerRef.current;
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const containerWidth = container.clientWidth;
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const thumbnailWidth = 64; // 64px 缩略图宽度
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const gap = 16; // 16px 间距
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const totalThumbnailWidth = thumbnailWidth + gap;
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// 计算一次能显示多少个缩略图（类似Swiper的slidesPerView）
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const visibleCount = Math.floor(containerWidth / totalThumbnailWidth);
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// 计算目标滚动位置
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let scrollLeft;
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if (index < visibleCount / 2) {
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// 如果是前几个，滚动到开头
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scrollLeft = 0;
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} else if (index >= data.attachments.length - visibleCount / 2) {
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// 如果是后几个，滚动到末尾
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scrollLeft = container.scrollWidth - containerWidth;
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} else {
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// 居中显示
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scrollLeft = (index - Math.floor(visibleCount / 2)) * totalThumbnailWidth;
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}
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// 确保滚动位置在有效范围内
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scrollLeft = Math.max(0, Math.min(scrollLeft, container.scrollWidth - containerWidth));
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container.scrollTo({
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left: scrollLeft,
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behavior: 'smooth'
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});
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};
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return (
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<div className="w-full md:w-120 flex justify-center md:justify-start mb-4 md:mb-0 max-w-full">
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<div className="relative w-full max-w-[320px] md:max-w-full">
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{/* 主图显示区域 */}
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<div className="relative overflow-hidden rounded-xl shadow-lg mb-6">
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<img
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src={currentImage}
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alt={data?.title || 'Product Image'}
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className="w-full max-w-[320px] md:max-w-full object-contain"
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/>
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{/* 导航箭头 - 简约大气设计 */}
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{data.attachments.length > 1 && (
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<>
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<button
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className="absolute left-3 top-1/2 transform -translate-y-1/2 w-10 h-10 bg-white/90 backdrop-blur-sm rounded-full border border-gray-100 flex items-center justify-center shadow-lg hover:bg-white hover:shadow-xl transition-all duration-300 z-10 group"
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onClick={() => changeMainImage('prev')}
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aria-label="Previous image"
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>
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<svg
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className="w-4 h-4 text-gray-600 group-hover:text-gray-800 transition-colors duration-200"
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fill="none"
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stroke="currentColor"
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viewBox="0 0 24 24"
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strokeWidth={2}
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>
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<path strokeLinecap="round" strokeLinejoin="round" d="M15 19l-7-7 7-7" />
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</svg>
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</button>
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<button
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className="absolute right-3 top-1/2 transform -translate-y-1/2 w-10 h-10 bg-white/90 backdrop-blur-sm rounded-full border border-gray-100 flex items-center justify-center shadow-lg hover:bg-white hover:shadow-xl transition-all duration-300 z-10 group"
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onClick={() => changeMainImage('next')}
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aria-label="Next image"
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>
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<svg
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className="w-4 h-4 text-gray-600 group-hover:text-gray-800 transition-colors duration-200"
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fill="none"
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stroke="currentColor"
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viewBox="0 0 24 24"
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strokeWidth={2}
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>
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<path strokeLinecap="round" strokeLinejoin="round" d="M9 5l7 7-7 7" />
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</svg>
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</button>
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</>
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)}
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</div>
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{/* 缩略图列表 - 业内最佳实践，确保完整显示 */}
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<div className="relative">
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<div
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ref={thumbnailContainerRef}
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className="flex gap-4 overflow-x-auto pb-2"
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style={{
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scrollbarWidth: 'none',
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msOverflowStyle: 'none',
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WebkitOverflowScrolling: 'touch'
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}}
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>
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{data.attachments.map((attachment, index) => (
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<div
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key={index}
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className={`flex-shrink-0 w-16 h-16 rounded-lg overflow-hidden cursor-pointer transition-all duration-300 hover:scale-105 ${
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index === currentImageIndex
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? 'border-2 border-blue-500'
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: 'border border-gray-200 hover:border-gray-300'
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}`}
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onClick={() => {
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changeMainImageByIndex(index);
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scrollToThumbnail(index);
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}}
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>
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<img
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src={attachment.file_url}
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alt={`${data?.title || 'Product'} - ${index + 1}`}
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className="w-full h-full object-cover"
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onError={(e) => {
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console.error('Image load error:', attachment.file_url);
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e.target.style.display = 'none';
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}}
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/>
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</div>
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))}
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</div>
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</div>
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</div>
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{/* 内联样式 */}
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<style jsx>{`
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/* 隐藏滚动条 */
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.overflow-x-auto::-webkit-scrollbar {
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display: none;
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}
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.overflow-x-auto {
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-ms-overflow-style: none;
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scrollbar-width: none;
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}
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/* 缩略图悬停效果 */
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.flex-shrink-0 {
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.flex-shrink-0:hover {
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transform: scale(1.05);
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}
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/* 当前选中的缩略图样式 */
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.border-2.border-blue-500 {
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border-color: #3b82f6;
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}
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/* 导航按钮样式增强 */
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.backdrop-blur-sm {
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backdrop-filter: blur(8px);
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-webkit-backdrop-filter: blur(8px);
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}
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.group:hover .backdrop-blur-sm {
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backdrop-filter: blur(12px);
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-webkit-backdrop-filter: blur(12px);
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}
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/* 响应式优化 */
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@media (max-width: 768px) {
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.w-16.h-16 {
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width: 4rem;
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height: 4rem;
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}
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}
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`}</style>
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</div>
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);
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};
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export default ProductImageGallery;
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