feat:增加骨架屏

frontend/pages/square/components/BannerCarousel.vue

@@ -1,6 +1,11 @@
 <template>
   <view class="banner-carousel" @click.stop>
-    <swiper class="banner-swiper" :autoplay="true" :interval="4000" :duration="400" :circular="true"
+    <!-- 骨架屏：加载中或首次无数据时显示 -->
+    <view v-if="showSkeleton" class="banner-skeleton">
+      <view class="skeleton-banner"></view>
+    </view>
+
+    <swiper v-else class="banner-swiper" :autoplay="true" :interval="4000" :duration="400" :circular="true"
       :indicator-dots="false" @change="onSwiperChange">
       <!-- <swiper-item @click.stop="$emit('top3Click')" style="display: flex;
     align-items: center;">
@@ -20,16 +25,18 @@
 </template>
 
 <script setup>
-import { ref } from 'vue'
+import { ref, computed } from 'vue'
 import BannerTop3 from '../../components/BannerTop3.vue'
 
-defineProps({
+const props = defineProps({
   bannerActivities: { type: Array, default: () => [] },
   // 运营轮播图列表
   banners: {
     type: Array,
     default: () => []
-  }
+  },
+  // 是否处于加载态（父组件 useBanner 提供）
+  loading: { type: Boolean, default: false }
 })
 const emit = defineEmits(['activityClick', 'top3Click', 'bannerClick'])
 
@@ -43,6 +50,13 @@ const onTop3DataLoaded = (items) => {
   // 数据已由 BannerTop3 内部处理，这里可以做一些额外操作
   console.log('[BannerCarousel] top3 data loaded', items)
 }
+
+// 骨架屏：加载中 或 首次加载结束但 banner 全部为空时显示
+const showSkeleton = computed(() => {
+  if (props.loading) return true
+  const total = (props.bannerActivities?.length || 0) + (props.banners?.length || 0)
+  return total === 0
+})
 </script>
 
 <style scoped>
@@ -95,4 +109,36 @@ const onTop3DataLoaded = (items) => {
   color: #fff;
   font-weight: 600;
 }
+
+/* 骨架屏 */
+.banner-skeleton {
+  width: 100%;
+  height: 392rpx;
+  border-radius: 24rpx;
+  overflow: hidden;
+  box-sizing: border-box;
+}
+
+.skeleton-banner {
+  width: 100%;
+  height: 100%;
+  border-radius: 24rpx;
+  background: linear-gradient(
+    90deg,
+    rgba(255, 255, 255, 0.1) 25%,
+    rgba(255, 255, 255, 0.25) 50%,
+    rgba(255, 255, 255, 0.1) 75%
+  );
+  background-size: 200% 100%;
+  animation: banner-skeleton-shimmer 1.5s infinite;
+}
+
+@keyframes banner-skeleton-shimmer {
+  0% {
+    background-position: 200% 0;
+  }
+  100% {
+    background-position: -200% 0;
+  }
+}
 </style>

frontend/pages/square/composables/useBanner.js

@@ -2,21 +2,13 @@ import { ref } from 'vue'
 import { getActivityListApi, getMintingActivitiesApi } from '@/utils/api.js'
 import { getPreloadApi } from '@/utils/preloadApi/index'
 
-// 默认 banner(接口失败/无数据时兜底)
-const FALLBACK_BANNER = [
-  {
-    image_url: '/static/sucai/image-05.png',
-    title: '这河非遇美学宇宙联名',
-    link_type: 'activity',
-    link_value: '1'
-  }
-]
-
 /**
  * 模块级共享状态（单例）
  */
 const bannerActivities = ref([])
 const banners = ref([])
+// 加载态：用于骨架屏展示（任一 fetch 未结束均为 true）
+const loading = ref(false)
 
 // 内部：优先走预拉缓存，未命中/过期则手动 fetch
 async function _tryPreloadThenFetch(key, fallbackFetch, processFn) {
@@ -35,6 +27,7 @@ async function _tryPreloadThenFetch(key, fallbackFetch, processFn) {
 }
 
 const loadBannerActivities = async () => {
+  loading.value = true
   try {
     await _tryPreloadThenFetch('banner.activities',
       () => getActivityListApi(uni.getStorageSync('star_id') || null, 1, 10),
@@ -46,10 +39,13 @@ const loadBannerActivities = async () => {
     )
   } catch (e) {
     console.error('[useBanner] 加载 banner 活动失败', e?.message ?? e)
+  } finally {
+    loading.value = false
   }
 }
 
 const loadBanners = async () => {
+  loading.value = true
   try {
     await _tryPreloadThenFetch('banner.minting',
       () => getMintingActivitiesApi(null, 1, 10),
@@ -66,12 +62,12 @@ const loadBanners = async () => {
             params: activity.params
           }))
         }
-        if (banners.value.length === 0) banners.value = [...FALLBACK_BANNER]
       }
     )
   } catch (e) {
     console.error('[useBanner] 加载运营 banner 失败', e?.message ?? e)
-    banners.value = [...FALLBACK_BANNER]
+  } finally {
+    loading.value = false
   }
 }
 
@@ -79,6 +75,7 @@ export function useBanner() {
   return {
     bannerActivities,
     banners,
+    loading,
     loadBannerActivities,
     loadBanners
   }

frontend/pages/square/square.vue

@@ -61,6 +61,7 @@
         <BannerCarousel
           :bannerActivities="bannerActivities"
           :banners="banners"
+          :loading="bannerLoading"
           @activityClick="handleActivityClick"
           @top3Click="showRankingModal = true"
           @bannerClick="handleBannerClick"
@@ -168,7 +169,7 @@ const onScroll = (e) => {
 };
 
 // ========== Composables ==========
-const { bannerActivities, banners, loadBannerActivities, loadBanners } =
+const { bannerActivities, banners, loading: bannerLoading, loadBannerActivities, loadBanners } =
   useBanner();
 
 // ========== Handlers ==========