feat(ActivitiesCover): 改进位置授权和错误处理逻辑

添加位置获取失败状态和重试功能
优化位置授权提示样式和交互
隐藏图片预览组件的索引显示

@@ -52,6 +52,7 @@
 
 .location-tip {
     display: flex;
+    flex-direction: column;
     align-items: center;
     justify-content: center;
     padding: 24rpx;
@@ -60,6 +61,20 @@
     border-radius: 12rpx;
     margin-bottom: 32rpx;
     backdrop-filter: blur(10rpx);
+    cursor: pointer;
+    transition: all 0.3s ease;
+    
+    &:active {
+        background-color: rgba(255, 247, 230, 0.7);
+        transform: scale(0.98);
+    }
+    
+    .tip-content {
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        margin-bottom: 8rpx;
+    }
 }
 
 .tip-icon {
@@ -73,6 +88,21 @@
     font-weight: 500;
 }
 
+.tip-retry {
+    font-size: 22rpx;
+    color: #1890ff;
+    text-decoration: underline;
+}
+
+.location-error {
+    background-color: rgba(255, 241, 240, 0.9);
+    border: 1rpx solid rgba(255, 163, 158, 0.8);
+    
+    .tip-text {
+        color: #cf1322;
+    }
+}
+
 .join-button {
     width: 100%;
     height: 88rpx;

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-04 15:34:50
+ * @LastEditTime: 2025-09-04 22:34:52
  * @FilePath: /lls_program/src/pages/ActivitiesCover/index.vue
  * @Description: 活动海报页面 - 展示活动信息并处理定位授权
 -->
@@ -24,9 +24,22 @@
 
     <!-- 底部按钮区域 -->
     <view class="bottom-section">
-      <view v-if="!hasLocationAuth" class="location-tip">
-        <view class="tip-icon">📍</view>
-        <view class="tip-text">需要获取您的位置信息来参与活动</view>
+      <!-- 未授权定位提示 -->
+      <view v-if="!hasLocationAuth && !locationError" class="location-tip" @click="retryGetLocation">
+        <view class="tip-content">
+          <view class="tip-icon">📍</view>
+          <view class="tip-text">需要获取您的位置信息来参与活动</view>
+        </view>
+        <view class="tip-retry">点击重新获取</view>
+      </view>
+
+      <!-- 位置获取失败提示 -->
+      <view v-if="hasLocationAuth && locationError" class="location-tip location-error" @click="retryGetLocation">
+        <view class="tip-content">
+          <view class="tip-icon">⚠️</view>
+          <view class="tip-text">可能是网络问题，获取位置信息失败</view>
+        </view>
+        <view class="tip-retry">点击重新获取</view>
       </view>
 
       <nut-button
@@ -37,7 +50,7 @@
         :loading="isJoining"
         @click="checkFamilyStatusAndJoinActivity"
       >
-        {{ hasLocationAuth ? '进入活动' : '参加活动' }}
+        {{ hasLocationAuth && !locationError ? '进入活动' : '参加活动' }}
       </nut-button>
     </view>
 
@@ -100,6 +113,7 @@ const defaultPoster = 'https://cdn.ipadbiz.cn/lls_prog/images/welcome_1.png';
 
 // 页面状态
 const hasLocationAuth = ref(false) // 是否已授权定位
+const locationError = ref(false) // 位置获取是否失败
 const isJoining = ref(false) // 是否正在加入活动
 const userLocation = ref({ lng: null, lat: null }) // 用户位置信息
 const hasJoinedFamily = ref(false);
@@ -161,6 +175,7 @@ const checkLocationAuth = async () => {
  */
 const getUserLocation = async () => {
   try {
+    locationError.value = false // 重置错误状态
     const location = await Taro.getLocation({
       type: 'gcj02'
     })
@@ -177,6 +192,8 @@ const getUserLocation = async () => {
 
     if (error.errMsg && error.errMsg.includes('auth deny')) {
       // 用户拒绝授权，引导用户手动开启
+      hasLocationAuth.value = false
+      locationError.value = false
       await Taro.showModal({
         title: '需要位置权限',
         content: '参与活动需要获取您的位置信息，请在设置中开启位置权限',
@@ -188,6 +205,8 @@ const getUserLocation = async () => {
         }
       })
     } else {
+      // 网络或其他问题导致的获取失败
+      locationError.value = true
       Taro.showToast({
         title: '获取位置失败',
         icon: 'none'
@@ -224,6 +243,25 @@ const checkFamilyStatusAndJoinActivity = async () => {
 
 
 /**
+ * 重新获取位置信息
+ */
+const retryGetLocation = async () => {
+  try {
+    const success = await getUserLocation()
+    if (success) {
+      hasLocationAuth.value = true
+      locationError.value = false
+      Taro.showToast({
+        title: '位置获取成功',
+        icon: 'success'
+      })
+    }
+  } catch (error) {
+    console.error('重新获取位置失败:', error)
+  }
+}
+
+/**
  * 处理参加活动按钮点击
  */
 const handleJoinActivity = async () => {

@@ -112,6 +112,7 @@
       v-model:show="previewVisible"
       :images="previewImages"
       :init-no="0"
+      :show-index="false"
       @close="closePreview"
     />