feat(相册): 添加弹窗打开关闭事件通知父组件

在FamilyAlbum组件中添加popup-open和popup-close事件，当上传弹窗打开或关闭时通知父组件Dashboard。父组件根据事件锁定或解锁页面滚动，防止弹窗打开时页面滚动。

在Dashboard组件中添加页面滚动锁定功能，通过计算属性和Taro API实现页面高度固定和滚动控制。

@@ -129,6 +129,9 @@ import { Close, Photograph, IconFont } from '@nutui/icons-vue-taro';
 import { getPhotoListAPI } from '@/api/photo';
 import UploadMediaPopup from '@/components/UploadMediaPopup.vue';
 
+// 定义事件
+const emit = defineEmits(['popup-open', 'popup-close']);
+
 // 视频播放相关状态
 const videoVisible = ref(false);
 const currentVideo = ref(null);
@@ -256,6 +259,8 @@ const openAlbumList = () => {
  */
 const navigateToUpload = () => {
   uploadPopupVisible.value = true;
+  // 通知父组件弹窗已打开
+  emit('popup-open');
 };
 
 /**
@@ -263,6 +268,8 @@ const navigateToUpload = () => {
  */
 const closeUploadPopup = () => {
   uploadPopupVisible.value = false;
+  // 通知父组件弹窗已关闭
+  emit('popup-close');
 };
 
 /**

 <!--
  * @Date: 2025-08-27 17:43:45
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-22 10:31:20
+ * @LastEditTime: 2025-09-23 11:08:57
  * @FilePath: /lls_program/src/pages/Dashboard/index.vue
  * @Description: 首页
 -->
 <template>
-  <view class="min-h-screen flex flex-col bg-white pb-16" style="background-color: #F9FAFB;">
+  <view class="min-h-screen flex flex-col bg-white pb-16" :style="pageStyle">
     <!-- Hero section with family name and background image -->
     <view class=" bg-white rounded-xl shadow-md mx-4 mt-4 relative" :style="{ height: isTabletDevice ? '40vh' : '30vh' }">
       <image :src="familyCover" mode="aspectFill" alt="Family background" class="w-full h-full object-cover rounded-xl" />
@@ -152,7 +152,11 @@
     <RankingCard ref="rankingCardRef" :onViewMore="openFamilyRank" />
 
     <!-- Family album -->
-    <FamilyAlbum ref="familyAlbumRef" />
+    <FamilyAlbum
+      ref="familyAlbumRef"
+      @popup-open="lockPageScroll"
+      @popup-close="unlockPageScroll"
+    />
 
     <BottomNav />
 
@@ -196,15 +200,64 @@ const finalTotalPoints = ref(0)
 const pendingPoints = ref([]) // 待收集的积分数据
 const familyAlbumRef = ref(null)
 
+// 页面锁定相关状态
+const isPageLocked = ref(false)
+const pageHeight = ref(0)
+
 const familyName = ref('')
 const familySlogn = ref('')
 const familyCover = ref('')
 const familyOwner = ref(false);
 
 // 广告遮罩层数据
-
 const adOverlayRef = ref(null)
 
+// 页面样式计算属性
+const pageStyle = computed(() => {
+  const baseStyle = {
+    'background-color': '#F9FAFB'
+  }
+
+  if (isPageLocked.value && pageHeight.value > 0) {
+    return {
+      ...baseStyle,
+      height: `${pageHeight.value}px`,
+      overflow: 'hidden'
+    }
+  }
+
+  return baseStyle
+})
+
+/**
+ * 锁定页面滚动
+ */
+const lockPageScroll = () => {
+  // 获取当前视窗高度
+  Taro.getSystemInfo({
+    success: (res) => {
+      pageHeight.value = res.windowHeight
+      isPageLocked.value = true
+    }
+  })
+}
+
+/**
+ * 解锁页面滚动
+ */
+const unlockPageScroll = () => {
+  isPageLocked.value = false
+  pageHeight.value = 0
+
+  // 解锁后滚动到页面底部
+  setTimeout(() => {
+    Taro.pageScrollTo({
+      scrollTop: 99999, // 使用一个很大的数值确保滚动到底部
+      duration: 50 // 滚动动画时长100ms
+    })
+  }, 50) // 延迟50ms确保页面解锁完成
+}
+
 /**
  * 触发积分收集组件的一键收取
  */