feat(patient-activities): 添加患者动态加载失败提示和重试功能

src/pages/doctor/index/index.vue

@@ -146,9 +146,15 @@
                 <text class="activity-time">{{ activity.time }}</text>
               </view>
             </view>
-            <view v-if="patientActivities.length === 0" class="no-activity">
+            <view v-if="patientActivities.length === 0 && !patientActivitiesError" class="no-activity">
               <text>暂无患者动态</text>
             </view>
+            <view v-if="patientActivitiesError" class="error-activity">
+              <text class="error-text">加载失败，请重试</text>
+              <view class="retry-button" @click="fetchPatientActivities">
+                <text class="retry-text">重试</text>
+              </view>
+            </view>
           </view>
         </view>
       </view>
@@ -214,6 +220,9 @@ const patientActivities = ref<Array<{
 // 患者动态加载状态
 const patientActivitiesLoading = ref(true)
 
+// 患者动态获取失败状态
+const patientActivitiesError = ref(false)
+
 const loadUser = () => {
   try {
     const u = uni.getStorageSync('user_info')
@@ -311,6 +320,7 @@ const fetchTodayReminders = async () => {
 const fetchPatientActivities = async () => {
   try {
     patientActivitiesLoading.value = true
+    patientActivitiesError.value = false
     const token = uni.getStorageSync('token')
     if (!token) {
       console.log('No token found, skipping fetchPatientActivities')
@@ -350,7 +360,8 @@ const fetchPatientActivities = async () => {
     }
   } catch (err) {
     console.error('Fetch patient activities error:', err)
-    // 如果接口调用失败，显示空数据
+    // 如果接口调用失败，显示错误状态
+    patientActivitiesError.value = true
     patientActivities.value = []
   } finally {
     patientActivitiesLoading.value = false
@@ -912,6 +923,33 @@ const formatActivityDescription = (activity: any) => {
   color: #999;
 }
 
+.error-activity {
+  padding: 40rpx;
+  text-align: center;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.error-text {
+  color: #ff6b6b;
+  font-size: 28rpx;
+  margin-bottom: 20rpx;
+}
+
+.retry-button {
+  background-color: #007aff;
+  color: white;
+  padding: 16rpx 32rpx;
+  border-radius: 8rpx;
+  display: inline-block;
+}
+
+.retry-text {
+  font-size: 28rpx;
+  color: white;
+}
+
 /* 骨架屏样式 */
 .skeleton-container {
   padding: 20rpx;