创建小程序
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浅念
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<template>
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<view class="content">
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<uni-nav-bar leftText=" " :fixed="true" :border="false" leftIcon="back" @clickLeft="leftClick" color="#000000" backgroundColor="#fff" :statusBar="true" title="我的发布"></uni-nav-bar>
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<view class="year-selector" @click="showYearPicker">
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<text class="year-text">{{selectedYear}}年</text>
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<uni-icons type="arrowdown" size="14" color="#666"></uni-icons>
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</view>
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<scroll-view scroll-y class="scroll-container"
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refresher-enabled
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:refresher-triggered="refreshing"
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@refresherrefresh="onRefresh"
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:lower-threshold="100"
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@scrolltolower="onLoadMore">
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<view class="post-list">
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<view v-for="(group, dateKey) in groupedPosts" :key="dateKey" class="date-group">
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<view class="date-item">
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<view class="date-label">
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<text class="date-day">{{group.day}}</text>
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<text class="date-month">{{group.month}}月</text>
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</view>
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<view class="posts-container">
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<view v-for="post in group.posts" :key="post.id" class="post-item" @click="viewPost(post)">
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<image class="post-image" :src="post.media && post.media[0] ? post.media[0].url_pull : '/static/image/placeholder.png'" mode="aspectFill"></image>
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<text class="post-tag">{{post.content || ''}}</text>
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</view>
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</view>
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</view>
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</view>
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<!-- 加载更多提示 -->
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<view v-if="hasMore && postList.length > 0" class="load-more">
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<text v-if="loadingMore">加载中...</text>
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<text v-else>上拉加载更多</text>
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</view>
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<view v-else-if="!hasMore && postList.length > 0" class="load-more">
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<text>没有更多了</text>
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</view>
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<view v-if="postList.length === 0 && !loading && !loadingMore" class="empty-view">
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<text>暂无发布内容</text>
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</view>
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</view>
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</scroll-view>
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<!-- 年份选择器 -->
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<u-picker
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:show="showYearSelect"
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:columns="yearColumns"
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:defaultIndex="defaultYearIndex"
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keyName="label"
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@confirm="onYearConfirm"
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@cancel="showYearSelect = false"
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title="选择年份">
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</u-picker>
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<!-- 加载提示 -->
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<view v-if="loading" class="loading-mask">
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<view class="loading-text">加载中...</view>
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</view>
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</view>
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</template>
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<script>
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import { request } from '@/api/apiT.js'
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export default {
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data() {
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// 生成年份列表（当前年份前后5年）
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const currentYear = new Date().getFullYear();
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const years = [];
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for (let i = currentYear - 5; i <= currentYear + 5; i++) {
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years.push({ label: i.toString(), value: i });
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}
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return {
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selectedYear: currentYear,
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showYearSelect: false,
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yearColumns: [years],
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postList: [],
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groupedPosts: {},
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loading: false,
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refreshing: false,
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loadingMore: false, // 上拉加载状态
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page: 1, // 当前页码
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pageSize: 10, // 每页数量
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hasMore: true, // 是否还有更多数据
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total: 0, // 总数据量
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}
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},
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computed: {
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// 计算当前年份在选择器中的默认索引
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defaultYearIndex() {
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const currentYear = new Date().getFullYear();
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const startYear = currentYear - 5;
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return [currentYear - startYear]; // 当前年份在数组中的索引
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}
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},
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onLoad() {
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this.loadPostList();
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},
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methods: {
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leftClick() {
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// uni.navigateBack()
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uni.reLaunch({
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url: '/pages/index/mine',// 替换为你要跳转的页面路径
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});
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},
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showYearPicker() {
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this.showYearSelect = true;
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},
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onYearConfirm(e) {
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if (e.value && e.value[0]) {
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const selectedItem = typeof e.value[0] === 'object' ? e.value[0] : { value: e.value[0], label: e.value[0].toString() };
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this.selectedYear = selectedItem.value || parseInt(selectedItem.label);
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this.showYearSelect = false;
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// 切换年份时重置分页
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this.page = 1;
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this.hasMore = true;
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this.postList = [];
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this.groupedPosts = {};
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this.loadPostList(false);
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}
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},
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// 加载帖子列表
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loadPostList(isLoadMore = false) {
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// 防止重复请求
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if (isLoadMore) {
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if (this.loadingMore || this.loading || this.refreshing || !this.hasMore) {
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return;
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}
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this.loadingMore = true;
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this.page += 1;
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} else {
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if (this.loading && !this.refreshing) {
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return;
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}
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this.loading = true;
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this.page = 1;
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this.hasMore = true;
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if (!isLoadMore && !this.refreshing) {
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this.postList = [];
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this.groupedPosts = {};
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}
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}
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// 获取当前用户发布的帖子列表
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request({
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url: 'common/post/list',
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method: 'GET',
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data: {
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// 只获取当前用户发布的帖子，后端应该根据token自动过滤
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current: this.page,
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size: this.pageSize,
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scene:'self',
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year:this.selectedYear
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}
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}).then(res => {
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this.loading = false;
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this.loadingMore = false;
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this.refreshing = false;
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if (res.data.code == 200) {
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const records = res.data.data.records || [];
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const total = res.data.data.total || 0;
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this.total = total;
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// 过滤出当前年份的数据
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const yearFilteredRecords = records.filter(post => {
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if (!post.created_at) return false;
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const dateStr = post.created_at;
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const postYear = new Date(dateStr).getFullYear();
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return postYear === this.selectedYear;
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});
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if (isLoadMore) {
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// 上拉加载更多，追加数据并去重
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const existingIds = new Set(this.postList.map(item => item.id));
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const newRecords = yearFilteredRecords.filter(item => !existingIds.has(item.id));
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this.postList = [...this.postList, ...newRecords];
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} else {
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// 下拉刷新或初次加载，替换数据
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this.postList = yearFilteredRecords;
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}
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// 重新分组
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this.groupPostsByDate();
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// 判断是否还有更多数据
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// 如果当前页返回的原始数据少于pageSize，说明没有更多了
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// 或者已经加载到最后一页
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if (records.length < this.pageSize) {
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this.hasMore = false;
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} else {
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// 计算理论上最多能加载多少页
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const maxPages = Math.ceil(total / this.pageSize);
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this.hasMore = this.page < maxPages;
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}
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}
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}).catch(() => {
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this.loading = false;
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this.loadingMore = false;
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this.refreshing = false;
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if (isLoadMore) {
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this.page -= 1; // 加载失败，页码回退
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}
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});
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},
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// 按日期分组帖子
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groupPostsByDate() {
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const grouped = {};
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this.postList.forEach(post => {
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const dateStr = post.created_at || post.create_time || post.createdAt;
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if (!dateStr) return;
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const date = new Date(dateStr);
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const month = date.getMonth() + 1; // 月份从0开始，需要+1
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const day = date.getDate();
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// 生成日期key，格式：MM-DD，用于排序
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const dateKey = `${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')}`;
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if (!grouped[dateKey]) {
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grouped[dateKey] = {
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day: day,
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month: month,
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posts: []
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};
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}
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grouped[dateKey].posts.push(post);
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});
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// 按日期倒序排序（最新的在前）
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const sortedKeys = Object.keys(grouped).sort((a, b) => {
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// 按完整日期排序（年-月-日）
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const dateA = new Date(this.selectedYear, parseInt(a.split('-')[0]) - 1, parseInt(a.split('-')[1]));
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const dateB = new Date(this.selectedYear, parseInt(b.split('-')[0]) - 1, parseInt(b.split('-')[1]));
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return dateB - dateA; // 倒序：最新的在前
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});
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// 重新构建分组对象，保持顺序
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const sortedGrouped = {};
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sortedKeys.forEach(key => {
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sortedGrouped[key] = grouped[key];
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});
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this.groupedPosts = sortedGrouped;
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},
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// 下拉刷新
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onRefresh() {
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// 如果正在加载中，不执行刷新
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if (this.loading || this.loadingMore) {
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this.refreshing = false;
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return;
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}
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this.refreshing = true;
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this.page = 1;
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this.hasMore = true;
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this.loadPostList(false);
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},
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// 上拉加载更多
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onLoadMore() {
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if (!this.hasMore || this.loadingMore || this.loading || this.refreshing) {
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return;
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}
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this.loadPostList(true);
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},
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// 查看帖子详情
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viewPost(post) {
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// TODO: 跳转到帖子详情页
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uni.navigateTo({
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url: '/pages/square/detiles?id='+post.id
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});
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}
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}
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}
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</script>
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<style lang="scss">
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page,
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.content {
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height: 100%;
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background-color: #fff;
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}
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.year-selector {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 20rpx 30rpx;
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background-color: #F5F5F5;
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.year-text {
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font-size: 28rpx;
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color: #333;
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}
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.arrow-icon {
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width: 24rpx;
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height: 24rpx;
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}
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}
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.scroll-container {
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height: calc(100% - 168rpx); // 减去导航栏和年份选择器高度
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}
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.post-list {
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padding: 20rpx 0;
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}
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.date-group {
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margin-bottom: 40rpx;
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}
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.date-item {
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display: flex;
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padding: 0 30rpx;
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}
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.date-label {
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display: flex;
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// flex-direction: column;
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// align-items: center;
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margin-right: 30rpx;
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min-width: 120rpx;
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.date-day {
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font-size: 48rpx;
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font-weight: bold;
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color: #333;
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line-height: 1;
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}
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.date-month {
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font-size: 24rpx;
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color: #666;
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margin-top: 8rpx;
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}
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}
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.posts-container {
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flex: 1;
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display: flex;
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flex-direction: column;
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gap: 20rpx;
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}
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.post-item {
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display: flex;
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// align-items: center;
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margin-bottom: 30rpx;
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.post-image {
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width: 200rpx;
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height: 200rpx;
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background-color: #E5E5E5;
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border-radius: 10rpx;
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margin-right: 30rpx;
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flex-shrink: 0;
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}
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.post-tag {
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font-size: 28rpx;
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color: #333;
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flex: 1;
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}
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}
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.empty-view {
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text-align: center;
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padding: 100rpx 0;
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color: #999;
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font-size: 28rpx;
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}
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.load-more {
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width: 100%;
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text-align: center;
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padding: 30rpx 0;
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font-size: 26rpx;
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color: #999;
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}
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.loading-mask {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: rgba(0, 0, 0, 0.3);
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display: flex;
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align-items: center;
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justify-content: center;
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z-index: 999;
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.loading-text {
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color: #fff;
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font-size: 28rpx;
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background-color: rgba(0, 0, 0, 0.7);
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padding: 20rpx 40rpx;
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border-radius: 8rpx;
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}
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}
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</style>
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