205 lines
8.6 KiB
TypeScript
205 lines
8.6 KiB
TypeScript
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import Link from 'next/link';
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import { useState, useMemo } from 'react';
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import { NewsItem } from '../lib/content';
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import { Search, Filter, Calendar, Tag, ArrowRight, Clock } from 'lucide-react';
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export default function NewsList({ news }: { news: NewsItem[] }) {
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const [searchTerm, setSearchTerm] = useState('');
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const [selectedCategory, setSelectedCategory] = useState('全部');
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const [sortBy, setSortBy] = useState('date');
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// 获取所有分类
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const categories = useMemo(() => {
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const allTags = news.flatMap(item => item.tags || []);
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const uniqueTags = Array.from(new Set(allTags));
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return ['全部', ...uniqueTags];
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}, [news]);
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// 过滤和排序新闻
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const filteredNews = useMemo(() => {
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let filtered = news.filter(item => {
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const matchesSearch = item.title.toLowerCase().includes(searchTerm.toLowerCase()) ||
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item.summary?.toLowerCase().includes(searchTerm.toLowerCase()) ||
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item.tags?.some(tag => tag.toLowerCase().includes(searchTerm.toLowerCase()));
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const matchesCategory = selectedCategory === '全部' || item.tags?.includes(selectedCategory);
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return matchesSearch && matchesCategory;
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});
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// 排序
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filtered.sort((a, b) => {
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switch (sortBy) {
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case 'date':
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return new Date(b.date).getTime() - new Date(a.date).getTime();
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case 'title':
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return a.title.localeCompare(b.title);
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default:
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return 0;
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}
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});
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return filtered;
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}, [news, searchTerm, selectedCategory, sortBy]);
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return (
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<section className="px-6 py-16 bg-gray-50">
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<div className="max-w-screen-xl mx-auto">
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{/* 搜索和筛选区域 */}
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<div className="bg-white rounded-2xl p-6 shadow-sm mb-8">
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<div className="flex flex-col lg:flex-row gap-4 items-center">
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{/* 搜索框 */}
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<div className="flex-1 relative">
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<Search className="absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400 w-5 h-5" />
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<input
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type="text"
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placeholder="搜索新闻标题、内容或标签..."
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value={searchTerm}
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onChange={(e) => setSearchTerm(e.target.value)}
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className="w-full pl-10 pr-4 py-3 border border-gray-200 rounded-xl focus:ring-2 focus:ring-accent focus:border-transparent outline-none"
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/>
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</div>
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{/* 分类筛选 */}
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<div className="flex items-center gap-2">
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<Filter className="w-5 h-5 text-gray-400" />
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<select
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value={selectedCategory}
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onChange={(e) => setSelectedCategory(e.target.value)}
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className="px-4 py-3 border border-gray-200 rounded-xl focus:ring-2 focus:ring-accent focus:border-transparent outline-none"
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>
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{categories.map(category => (
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<option key={category} value={category}>{category}</option>
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))}
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</select>
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</div>
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{/* 排序选择 */}
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<div className="flex items-center gap-2">
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<Calendar className="w-5 h-5 text-gray-400" />
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<select
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value={sortBy}
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onChange={(e) => setSortBy(e.target.value)}
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className="px-4 py-3 border border-gray-200 rounded-xl focus:ring-2 focus:ring-accent focus:border-transparent outline-none"
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>
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<option value="date">按日期排序</option>
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<option value="title">按标题排序</option>
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</select>
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</div>
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</div>
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{/* 搜索结果统计 */}
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<div className="mt-4 pt-4 border-t border-gray-100">
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<p className="text-sm text-gray-600">
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找到 <span className="font-semibold text-accent">{filteredNews.length}</span> 条新闻
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{searchTerm && (
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<span>，关键词：<span className="font-semibold">"{searchTerm}"</span></span>
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)}
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{selectedCategory !== '全部' && (
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<span>，分类：<span className="font-semibold">{selectedCategory}</span></span>
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)}
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</p>
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</div>
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</div>
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{/* 新闻列表 */}
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{filteredNews.length === 0 ? (
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<div className="text-center py-16">
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<div className="w-24 h-24 bg-gray-100 rounded-full flex items-center justify-center mx-auto mb-4">
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<Search className="w-12 h-12 text-gray-400" />
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</div>
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<h3 className="text-xl font-semibold text-gray-600 mb-2">未找到相关新闻</h3>
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<p className="text-gray-500 mb-6">请尝试调整搜索条件或筛选器</p>
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<button
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onClick={() => {
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setSearchTerm('');
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setSelectedCategory('全部');
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}}
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className="px-6 py-3 bg-accent text-white rounded-xl hover:bg-blue-700 transition-colors"
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>
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重置筛选
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</button>
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</div>
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) : (
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<div className="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-6">
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{filteredNews.map((item, index) => (
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<article
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key={item.slug}
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className="group bg-white rounded-2xl shadow-sm hover:shadow-xl transition-all duration-300 border border-gray-100 hover:border-accent/20 overflow-hidden"
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>
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<div className="p-6">
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{/* 新闻头部 */}
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<div className="flex items-start justify-between mb-4">
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<div className="flex items-center gap-2">
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<Clock className="w-4 h-4 text-gray-400" />
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<time className="text-sm text-gray-500">{item.date}</time>
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</div>
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{index < 3 && (
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<span className="bg-gradient-to-r from-accent to-blue-600 text-white text-xs font-semibold px-3 py-1 rounded-full">
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热门
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</span>
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)}
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</div>
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{/* 新闻标题 */}
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<h3 className="text-xl font-semibold text-primary mb-3 group-hover:text-accent transition-colors line-clamp-2">
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<Link href={`/news/${item.slug}`} className="hover:underline">
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{item.title}
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</Link>
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</h3>
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{/* 新闻摘要 */}
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{item.summary && (
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<p className="text-gray-600 text-sm line-clamp-3 mb-4 leading-relaxed">
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{item.summary}
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</p>
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)}
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{/* 标签 */}
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{item.tags && item.tags.length > 0 && (
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<div className="flex flex-wrap gap-2 mb-4">
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{item.tags.map(tag => (
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<span
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key={tag}
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className="inline-flex items-center gap-1 px-3 py-1 text-xs bg-gray-100 text-gray-600 rounded-full hover:bg-accent hover:text-white transition-colors cursor-pointer"
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onClick={() => setSelectedCategory(tag)}
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>
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<Tag className="w-3 h-3" />
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{tag}
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</span>
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))}
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</div>
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)}
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{/* 阅读更多按钮 */}
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<div className="flex items-center justify-between pt-4 border-t border-gray-100">
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<Link
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href={`/news/${item.slug}`}
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className="inline-flex items-center gap-2 text-accent hover:text-blue-700 font-medium text-sm group-hover:gap-3 transition-all"
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>
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阅读全文
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<ArrowRight className="w-4 h-4 group-hover:translate-x-1 transition-transform" />
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</Link>
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<div className="text-xs text-gray-400">
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{Math.ceil(Math.random() * 5) + 1} 分钟阅读
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</div>
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</div>
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</div>
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</article>
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))}
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</div>
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)}
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{/* 加载更多按钮（如果新闻很多的话） */}
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{filteredNews.length > 6 && (
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<div className="text-center mt-12">
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<button className="px-8 py-3 bg-white border border-gray-200 text-primary rounded-xl hover:bg-gray-50 hover:border-accent transition-all duration-300 font-medium">
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加载更多新闻
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</button>
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</div>
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)}
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</div>
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</section>
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);
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}
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