添加列表vue

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2025-11-04 11:51:27 +08:00
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<template>
<div class="news-more-container">
<!-- 页面标题 -->
<div class="page-header">
<h2 style="font-family: 'Source Han Serif CN', '思源宋体 CN', serif;">
新闻动态<span class="en-title" style="font-family: 'Source Han Serif CN', '思源宋体 CN', serif;">News</span>
</h2>
</div>
<!-- 加载状态 -->
<el-loading v-loading="isLoading" text="加载中..." class="loading-container"></el-loading>
<!-- 新闻列表 -->
<div class="news-list" v-if="newsList.length > 0">
<el-card
class="news-item-card"
v-for="(news, index) in newsList"
:key="news.id"
shadow="hover"
:body-style="{ padding: '0px' }"
@click="handleDetailClick(news)"
>
<div class="news-item">
<div class="news-img-container">
<img :src="news.imageUrl" :alt="news.title" class="news-img">
</div>
<div class="news-content">
<div class="news-header">
<h3 class="news-title">{{ news.title }}</h3>
<span class="news-date">{{ news.date }}</span>
</div>
<p class="news-desc">{{ news.desc }}</p>
<div class="read-more">
阅读全文 <el-icon class="read-icon"><ArrowRight /></el-icon>
</div>
</div>
</div>
</el-card>
</div>
<!-- 空状态 -->
<div class="empty-state" v-else-if="!isLoading">
<el-empty description="暂无新闻数据"></el-empty>
</div>
<!-- 分页组件 -->
<div class="pagination-container" v-if="total > 0 && !isLoading">
<el-pagination
@size-change="handleSizeChange"
@current-change="handleCurrentChange"
:current-page="currentPage"
:page-sizes="[10, 20, 30]"
:page-size="pageSize"
layout="total, sizes, prev, pager, next, jumper"
:total="total"
></el-pagination>
</div>
</div>
</template>
<script lang="ts" setup>
import { ref, onMounted } from 'vue';
import { ElCard, ElLoading, ElMessage, ElEmpty, ElPagination, ElIcon } from 'element-plus';
import { ArrowRight } from '@element-plus/icons-vue';
import axios from 'axios';
import { useRouter } from 'vue-router';
// 数据结构
interface NewsItem {
id: number;
imageUrl: string;
title: string;
desc: string;
date: string;
}
interface Article {
id: number;
title: string;
cover: string;
excerpt: string;
create_at: string;
content: string;
topic: string;
}
interface ArticleResponse {
total: number;
total_page: number;
Article_list: Article[];
page: number;
size: number;
}
// 响应式数据
const router = useRouter();
const newsList = ref<NewsItem[]>([]);
const isLoading = ref<boolean>(false);
const currentPage = ref<number>(1);
const pageSize = ref<number>(20);
const total = ref<number>(0);
// 详情跳转
const handleDetailClick = (item: NewsItem) => {
router.push({
path: '/detail',
query: {
id: item.id,
type: 'news'
}
});
};
// HTML转纯文本
function stripHtml(htmlStr: string): string {
if (!htmlStr) return '';
const doc = new DOMParser().parseFromString(htmlStr, 'text/html');
return doc.body.textContent || "";
}
// 格式化日期
function formatDate(dateStr: string): string {
const date = new Date(dateStr);
return `${date.getFullYear()}${date.getMonth() + 1}${date.getDate()}`;
}
// 获取新闻数据(支持分页)
const fetchNewsData = async () => {
isLoading.value = true;
try {
const response = await axios.post<ArticleResponse>(
'http://localhost:8080/api/articles/getarticle',
{
page: currentPage.value,
size: pageSize.value,
topic: '新闻'
},
{
headers: { 'Content-Type': 'application/json' }
}
);
const data = response.data;
if (data && Array.isArray(data.Article_list)) {
// 转换数据格式
newsList.value = data.Article_list.map((article: Article) => ({
id: article.id,
imageUrl: article.cover || 'https://picsum.photos/800/400?random=news',
title: article.title,
desc: stripHtml(article.excerpt || article.content).slice(0, 150) + '...',
date: formatDate(article.create_at)
}));
total.value = data.total; // 总条数
} else {
newsList.value = [];
total.value = 0;
}
} catch (error) {
console.error('获取新闻列表失败:', error);
ElMessage.error('新闻数据加载失败,请重试');
newsList.value = [];
total.value = 0;
} finally {
isLoading.value = false;
}
};
// 分页事件处理
const handleSizeChange = (val: number) => {
pageSize.value = val;
currentPage.value = 1; // 切换每页条数时重置为第一页
fetchNewsData();
};
const handleCurrentChange = (val: number) => {
currentPage.value = val;
fetchNewsData();
};
// 页面挂载时加载数据
onMounted(() => {
fetchNewsData();
});
</script>
<style scoped>
.news-more-container {
max-width: 1200px;
margin: 30px auto;
padding: 0 20px;
}
.page-header {
margin-bottom: 30px;
padding-bottom: 10px;
border-bottom: 1px solid #e0e0e0;
}
.page-header h2 {
font-size: 26px;
margin: 0;
font-weight: 400;
}
.en-title {
font-size: 16px;
color: #999;
margin-left: 10px;
text-transform: uppercase;
}
.loading-container {
min-height: 400px;
display: flex;
align-items: center;
justify-content: center;
}
.news-list {
display: flex;
flex-direction: column;
gap: 20px;
}
.news-item-card {
cursor: pointer;
transition: all 0.3s ease;
}
.news-item-card:hover {
transform: translateY(-3px);
box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.news-item {
display: grid;
grid-template-columns: 240px 1fr;
gap: 20px;
padding: 20px;
}
.news-img-container {
width: 100%;
height: 160px;
overflow: hidden;
}
.news-img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform 0.3s ease;
}
.news-item-card:hover .news-img {
transform: scale(1.05);
}
.news-content {
display: flex;
flex-direction: column;
justify-content: space-between;
}
.news-header {
display: flex;
justify-content: space-between;
align-items: flex-start;
margin-bottom: 12px;
}
.news-title {
font-size: 20px;
font-weight: 500;
color: #333;
margin: 0;
max-width: 80%;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.news-date {
font-size: 14px;
color: #999;
}
.news-desc {
font-size: 14px;
color: #666;
line-height: 1.7;
margin: 0 0 15px 0;
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}
.read-more {
display: flex;
align-items: center;
gap: 6px;
color: #b50009;
font-size: 14px;
font-weight: 500;
width: fit-content;
}
.read-icon {
font-size: 16px;
transition: transform 0.2s ease;
}
.news-item-card:hover .read-icon {
transform: translateX(3px);
}
.empty-state {
min-height: 400px;
display: flex;
align-items: center;
justify-content: center;
}
.pagination-container {
margin-top: 40px;
display: flex;
justify-content: center;
}
/* 响应式调整 */
@media (max-width: 768px) {
.news-item {
grid-template-columns: 1fr;
}
.news-img-container {
height: 200px;
}
.news-title {
max-width: 100%;
white-space: normal;
margin-bottom: 8px;
}
.news-header {
flex-direction: column;
align-items: flex-start;
}
}
</style>