创建小程序
This commit is contained in:
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" @clickLeft="leftClick" color="#000000" backgroundColor="#fff" :statusBar="true" title="广场"></uni-nav-bar>
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<view class="content-con">
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<scroll-view scroll-y class="left-aside">
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<view v-for="item in flist" :key="item.id" class="f-item b-b" :class="{active: item.id === currentCategoryId}"
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@click="onCategoryChange(item.id)">
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<view class="category-icon" v-if="item.icon_active_pull">
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<image :src="item.id === currentCategoryId?item.icon_active_pull:item.icon_inactive_pull" mode=""></image>
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️</view>
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{{item.name}}
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</view>
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</scroll-view>
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<scroll-view scroll-y class="right-aside"
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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="t-lists">
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<square-post-card
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class="t-item"
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v-for="sitem in slist"
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:key="sitem.id"
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:item="sitem"
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:isshow="true"
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@view="navToList"
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@comment="navTomsg"
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@like="navTozan" />
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<!-- 加载更多提示 -->
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<view v-if="hasMore" 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="slist.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 class="empty" v-if="slist.length==0">
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<image src="/static/image/empty.png" mode=""></image>
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<view class="">
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暂无数据！
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</view>
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</view>
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</view>
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</scroll-view>
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</view>
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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,showToast } from '@/api/apiT.js'
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import SquarePostCard from '@/components/SquarePostCard.vue'
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export default {
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components: {
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SquarePostCard
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},
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data() {
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return {
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flist: [],
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slist: [],
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currentCategoryId: '', // 当前选中的分类id
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loading: false, // 加载状态
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refreshing: false, // 下拉刷新状态
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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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categoriesLoaded: false // 分类是否已加载完成
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}
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},
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onLoad() {
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// 加载第一级分类列表
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},
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onShow() {
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this.loadCategoryList();
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this.syncTabbar()
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// // 从详情页返回后，重新拉取当前分类数据
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// if (this.categoriesLoaded) {
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// this.refreshCurrentCategory()
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// }
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},
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methods: {
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// 加载第一级分类列表
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loadCategoryList() {
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// TODO: 替换为实际的后端接口
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let that = this;
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request({
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url:'common/post/category/list',
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method:'GET'
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}).then(res => {
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if (res.data.code == 200) {
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const records = res.data.data.records || [];
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this.flist = [{
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id: '',
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name: '全部分类'
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}, ...records];
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this.categoriesLoaded = true;
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// 默认加载第一个分类的数据
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if (this.flist.length > 0) {
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this.onCategoryChange(this.flist[0].id);
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}
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}
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})
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},
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// 重新加载当前分类数据
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refreshCurrentCategory() {
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const targetCategory = this.currentCategoryId !== undefined ? this.currentCategoryId : (this.flist[0] && this.flist[0].id) || '';
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this.loadCategoryData(targetCategory, false);
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},
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// 分类切换事件
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onCategoryChange(categoryId) {
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// 如果点击的是当前分类且已有数据，不重复加载
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if (this.currentCategoryId === categoryId && this.slist.length > 0) {
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return;
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}
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// 切换分类时，重置所有状态
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this.currentCategoryId = categoryId;
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this.page = 1;
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this.hasMore = true;
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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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this.slist = []; // 先清空数据
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this.loadCategoryData(categoryId, false);
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},
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// 根据分类id加载分类下的内容
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loadCategoryData(categoryId, isLoadMore = false) {
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// 防止重复请求：如果是加载更多，需要检查所有加载状态
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if (isLoadMore) {
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if (this.loadingMore || this.loading || this.refreshing) {
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return;
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}
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} else {
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// 下拉刷新或初次加载，检查加载状态
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if (this.loading || this.loadingMore) {
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return;
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}
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}
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if (isLoadMore) {
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this.loadingMore = true;
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this.page += 1;
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} else {
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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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this.slist = []; // 清空之前的数据
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}
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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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category_id:categoryId,
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current: this.page,
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size: this.pageSize
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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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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.slist.map(item => item.id));
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const newRecords = records.filter(item => !existingIds.has(item.id));
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this.slist = [...this.slist, ...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.slist = records;
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}
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// 判断是否还有更多数据
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this.hasMore = this.slist.length < total;
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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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// 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.loadCategoryData(this.currentCategoryId, 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.loadCategoryData(this.currentCategoryId, true);
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},
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// 点击商品项
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navToList(item) {
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uni.navigateTo({
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url: '/pages/square/detiles?id='+item.id
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});
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},
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//点赞
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navTozan(item){
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const targetIndex = this.slist.findIndex(post => post.id === item.id)
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if(targetIndex === -1){
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return
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}
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const target = this.slist[targetIndex]
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const isLiked = Number(target.is_like) === 1
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const likeUrl = isLiked ? 'common/post/like/destroy' : 'common/post/like/store'
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const method = isLiked ? 'GET' : 'POST'
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const data = {
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post_id: target.id
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}
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if (isLiked) {
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data.user_id = target.user_id
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}
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request({
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url: likeUrl,
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method,
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data
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}).then(res => {
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if(res.data.code === 200){
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const newTarget = { ...target }
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if(isLiked){
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newTarget.is_like = 0
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newTarget.like = Math.max(0, (Number(newTarget.like) || 0) - 1)
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uni.showToast({
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title: '取消成功',
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icon: 'none'
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});
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}else{
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newTarget.is_like = 1
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newTarget.like = (Number(newTarget.like) || 0) + 1
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uni.showToast({
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title: '点赞成功',
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icon: 'none'
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});
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}
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this.$set(this.slist, targetIndex, newTarget)
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}else{
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uni.showToast({
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title:res.data.message,
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icon: 'none'
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});
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}
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})
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},
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//消息
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navTomsg(item){
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request({
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url:'common/like/store',
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method:'GET',
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data:{
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post_id:item.id
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}
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}).then(res => {
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})
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},
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leftClick(){
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uni.navigateBack()
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},
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syncTabbar(){
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uni.setTabBarItem({ index:0, text:this.$t('tabbar.home') })
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uni.setTabBarItem({ index:1, text:this.$t('tabbar.square') })
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uni.setTabBarItem({ index:2, text:this.$t('tabbar.publish') })
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uni.setTabBarItem({ index:3, text:this.$t('tabbar.mine') })
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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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.empty{
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text-align: center;
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margin-top: 30%;
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width: 100%;
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}
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.empty image{
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width: 252px;
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height: 164px;
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}
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page,
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.content {
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height: 100%;
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background-color: #f8f8f8;
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position: relative;
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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: 28upx;
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background-color: rgba(0, 0, 0, 0.7);
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padding: 20upx 40upx;
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border-radius: 8upx;
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}
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}
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.content-con {
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height: calc(100% - 128rpx);
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background-color: #f8f8f8;
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display: flex;
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}
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.left-aside {
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flex-shrink: 0;
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width: 200upx;
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height: 100%;
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background-color: #F7F7F7;
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}
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.f-item {
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display: flex;
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align-items: center;
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justify-content: flex-start;
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width: 100%;
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height: 90rpx;
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font-size: 26rpx;
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color: #666;
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position: relative;
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padding-left: 24rpx;
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&.active {
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color: #0071FC;
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background: #fff;
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&:before {
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content: '';
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position: absolute;
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left: 0;
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top: 50%;
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transform: translateY(-50%);
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height: 36upx;
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width: 8upx;
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background-color: #0071FC;
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border-radius: 0 4px 4px 0;
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opacity: .8;
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}
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}
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}
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.iconview{
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margin-right: 10px;
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display: inline-block;
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font-size: 22rpx;
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}
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.icons {
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width: 16px;
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height: 16px;
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margin-right: 5px;
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}
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.right-aside {
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flex: 1;
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overflow: hidden;
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/* padding-left: 20upx; */
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/* padding-top: 20upx; */
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background: #fff;
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}
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.t-lists {
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display: flex;
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flex-wrap: wrap;
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padding: 20rpx;
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justify-content: space-between;
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}
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.t-item{
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width: 48%;
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/* background: #fff; */
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/* border-radius: 24rpx; */
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overflow: hidden;
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margin-bottom: 20rpx;
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/* box-shadow: 0 8rpx 24rpx rgba(0,0,0,0.06); */
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}
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.grid-image{
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width: 100%;
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height: 320rpx;
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background: #E5E5E5;
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border-radius: 10rpx;
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}
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.grid-footer{
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padding: 20rpx;
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display: flex;
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align-items: center;
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}
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.grid-avatar{
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width: 48rpx;
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height: 48rpx;
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border-radius: 50%;
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margin-right: 12rpx;
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}
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.grid-info{
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flex: 1;
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display: flex;
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flex-direction: column;
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width: 70%;
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}
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.grid-tag{
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font-size: 24rpx;
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color: #3F435B;
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margin-bottom: 4rpx;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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width: 87%;
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}
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.category-icon image{
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height: 16px;
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width: 16px;
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margin-right: 10rpx;
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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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</style>
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Reference in New Issue
Block a user