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| <!-- BookList.vue -->
<template>
<div class="book-list">
<!-- 搜索栏 -->
<SearchBar
v-model="searchKeyword"
@search="handleSearch"
@clear="handleClearSearch"
/>
<!-- 筛选器 -->
<div class="filter-bar">
<el-select
v-model="selectedCategory"
placeholder="选择分类"
@change="handleCategoryChange"
>
<el-option
v-for="category in categories"
:key="category.value"
:label="category.label"
:value="category.value"
/>
</el-select>
<el-select
v-model="sortBy"
placeholder="排序方式"
@change="handleSortChange"
>
<el-option label="按创建时间" value="createTime" />
<el-option label="按标题" value="title" />
<el-option label="按作者" value="author" />
</el-select>
</div>
<!-- 书籍列表 -->
<div class="book-grid">
<BookCard
v-for="book in paginatedBooks"
:key="book.id"
:book="book"
@click="handleBookClick"
@favorite="handleFavorite"
/>
</div>
<!-- 分页组件 -->
<el-pagination
v-model:current-page="currentPage"
v-model:page-size="pageSize"
:page-sizes="[10, 20, 50, 100]"
:total="totalBooks"
layout="total, sizes, prev, pager, next, jumper"
@size-change="handleSizeChange"
@current-change="handleCurrentChange"
/>
<!-- 加载状态 -->
<el-loading
v-if="loading"
text="加载中..."
background="rgba(0, 0, 0, 0.8)"
/>
</div>
</template>
<script>
import { ref, computed, onMounted, watch } from 'vue'
import { useRouter } from 'vue-router'
import { useStore } from 'vuex'
import { ElMessage } from 'element-plus'
import BookCard from './BookCard.vue'
import SearchBar from './SearchBar.vue'
export default {
name: 'BookList',
components: {
BookCard,
SearchBar
},
setup() {
const router = useRouter()
const store = useStore()
// 响应式数据
const searchKeyword = ref('')
const selectedCategory = ref('')
const sortBy = ref('createTime')
const currentPage = ref(1)
const pageSize = ref(20)
const loading = ref(false)
// 分类选项
const categories = ref([
{ label: '全部', value: '' },
{ label: '技术', value: 'tech' },
{ label: '文学', value: 'literature' },
{ label: '历史', value: 'history' },
{ label: '科学', value: 'science' }
])
// 计算属性
const books = computed(() => store.getters['book/getBooks'])
const totalBooks = computed(() => store.getters['book/getTotalBooks'])
// 过滤后的书籍列表
const filteredBooks = computed(() => {
let result = books.value
// 按关键词搜索
if (searchKeyword.value) {
const keyword = searchKeyword.value.toLowerCase()
result = result.filter(book =>
book.title.toLowerCase().includes(keyword) ||
book.author.toLowerCase().includes(keyword) ||
book.description.toLowerCase().includes(keyword)
)
}
// 按分类筛选
if (selectedCategory.value) {
result = result.filter(book => book.category === selectedCategory.value)
}
// 排序
result.sort((a, b) => {
switch (sortBy.value) {
case 'title':
return a.title.localeCompare(b.title)
case 'author':
return a.author.localeCompare(b.author)
case 'createTime':
default:
return new Date(b.createTime) - new Date(a.createTime)
}
})
return result
})
// 分页后的书籍列表
const paginatedBooks = computed(() => {
const start = (currentPage.value - 1) * pageSize.value
const end = start + pageSize.value
return filteredBooks.value.slice(start, end)
})
// 方法
const loadBooks = async () => {
try {
loading.value = true
await store.dispatch('book/fetchBooks', {
page: currentPage.value,
size: pageSize.value,
category: selectedCategory.value,
keyword: searchKeyword.value,
sortBy: sortBy.value
})
} catch (error) {
ElMessage.error('加载书籍列表失败')
console.error('Load books error:', error)
} finally {
loading.value = false
}
}
const handleSearch = () => {
currentPage.value = 1
loadBooks()
}
const handleClearSearch = () => {
searchKeyword.value = ''
currentPage.value = 1
loadBooks()
}
const handleCategoryChange = () => {
currentPage.value = 1
loadBooks()
}
const handleSortChange = () => {
currentPage.value = 1
loadBooks()
}
const handleBookClick = (book) => {
router.push(`/book/${book.id}`)
}
const handleFavorite = async (book) => {
try {
await store.dispatch('book/toggleFavorite', book.id)
ElMessage.success(book.isFavorite ? '已取消收藏' : '已添加收藏')
} catch (error) {
ElMessage.error('操作失败')
console.error('Toggle favorite error:', error)
}
}
const handleSizeChange = (newSize) => {
pageSize.value = newSize
currentPage.value = 1
loadBooks()
}
const handleCurrentChange = (newPage) => {
currentPage.value = newPage
loadBooks()
}
// 监听搜索关键词变化
watch(searchKeyword, (newValue) => {
if (newValue.length >= 2 || newValue.length === 0) {
handleSearch()
}
})
// 生命周期
onMounted(() => {
loadBooks()
})
return {
// 响应式数据
searchKeyword,
selectedCategory,
sortBy,
currentPage,
pageSize,
loading,
categories,
// 计算属性
paginatedBooks,
totalBooks,
// 方法
handleSearch,
handleClearSearch,
handleCategoryChange,
handleSortChange,
handleBookClick,
handleFavorite,
handleSizeChange,
handleCurrentChange
}
}
}
</script>
<style lang="scss" scoped>
.book-list {
padding: 20px;
.filter-bar {
display: flex;
gap: 16px;
margin-bottom: 20px;
.el-select {
width: 200px;
}
}
.book-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
gap: 20px;
margin-bottom: 20px;
}
.el-pagination {
display: flex;
justify-content: center;
margin-top: 20px;
}
}
@media (max-width: 768px) {
.book-list {
padding: 10px;
.book-grid {
grid-template-columns: 1fr;
}
.filter-bar {
flex-direction: column;
.el-select {
width: 100%;
}
}
}
}
</style>
|
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