优化模型加载失败提示文案

src/components/map/ThreeMap.vue

@@ -5,7 +5,7 @@
     <view v-if="isLoading && !loadError" class="loading-overlay">
       <view class="loading-content">
         <view class="loading-spinner"></view>
-        <text class="loading-text">{{ loadingMessage }}</text>
+        <text class="loading-text">{{ loadingDisplayMessage }}</text>
         <view class="loading-progress">
           <view class="loading-bar" :style="{ width: `${loadingProgress}%` }"></view>
         </view>
@@ -14,8 +14,8 @@
 
     <view v-else-if="loadError" class="loading-overlay error-overlay">
       <view class="loading-content error-content">
-        <text class="error-title">3D 模型加载失败</text>
-        <text class="error-text">{{ loadingMessage }}</text>
+        <text class="error-title">{{ modelLoadErrorTitle }}</text>
+        <text class="error-text">{{ modelLoadErrorMessage }}</text>
         <view class="retry-btn" @tap="retryLoad">
           <text class="retry-text">重新加载</text>
         </view>
@@ -349,6 +349,12 @@ const loadingProgress = ref(0)
 const loadingMessage = ref('正在读取馆内导览资源...')
 const activeView = ref<ViewMode>(props.initialView)
 const currentFloor = ref(props.initialFloorId)
+const loadingDisplayMessage = '正在加载馆内三维场景'
+const modelLoadErrorTitle = '馆内三维场景加载失败'
+const modelLoadErrorMessage = '可能是网络原因，请重新加载。'
+const setFriendlyModelLoadError = () => {
+  setProgress(0, modelLoadErrorMessage)
+}
 const selectedPOI = ref<RenderPoi | null>(null)
 const activeFocusPoiId = ref('')
 const floorIndex = ref<FloorIndexItem[]>([])
@@ -3188,7 +3194,6 @@ const checkAutoSwitch = (options: { forceOverviewEntry?: boolean } = {}) => {
           detachPoiBeforeLoad: true
         })
       },
-      '单楼层模型加载失败',
       { showLoading: !hasSceneToKeep && !canLoadFloorSilently(targetFloorId) }
     )
     return
@@ -3249,15 +3254,13 @@ const checkAutoSwitch = (options: { forceOverviewEntry?: boolean } = {}) => {
       trigger: 'zoom-out',
       distance
     },
-    loadOverview,
-    '建筑外观模型加载失败'
+    loadOverview
   )
 }
 
 const runAutoSwitchLoad = async (
   event: { from: 'overview' | 'floor'; to: 'overview' | 'floor'; trigger: 'zoom-in' | 'zoom-out'; distance: number },
   loadTask: () => Promise<unknown>,
-  fallbackMessage: string,
   options: { showLoading?: boolean } = {}
 ) => {
   const showLoading = options.showLoading ?? true
@@ -3278,7 +3281,7 @@ const runAutoSwitchLoad = async (
     console.error('馆内 3D 自动视角切换失败:', error)
     loadError.value = true
     isLoading.value = false
-    setProgress(0, error instanceof Error ? error.message : fallbackMessage)
+    setFriendlyModelLoadError()
   } finally {
     isAutoSwitchLocked = false
   }
@@ -4854,7 +4857,7 @@ const focusTargetPoi = async (request: TargetPoiFocusRequest) => {
     console.error('目标 POI 聚焦失败:', error)
     loadError.value = true
     isLoading.value = false
-    setProgress(0, error instanceof Error ? error.message : '目标位置聚焦失败')
+    setFriendlyModelLoadError()
     emitTargetFocus(request, 'error', error instanceof Error ? error.message : '目标位置聚焦失败')
     return false
   }
@@ -4962,7 +4965,7 @@ const init3DScene = async () => {
     loadError.value = true
     isLoading.value = false
     const message = error instanceof Error ? error.message : '请检查模型资源或网络状态后重试'
-    setProgress(0, message)
+    setFriendlyModelLoadError()
     initialModelSettled = true
     emit('initialModelFailed', {
       view: activeView.value,
@@ -5010,7 +5013,7 @@ const handleFloorChange = async (floorId: string) => {
     console.error('楼层模型加载失败:', error)
     loadError.value = true
     restoreCommittedFloorPoiLayer()
-    setProgress(0, error instanceof Error ? error.message : '楼层模型加载失败')
+    setFriendlyModelLoadError()
   } finally {
     const requestWasSuperseded = modelLoadVersion > previousLoadToken + 1
     if (!requestWasSuperseded || floorSwitchRequestedFloorId === requestedFloorId) {
@@ -5039,7 +5042,7 @@ const showMultiFloor = async () => {
     console.error('多层展示模型加载失败:', error)
     loadError.value = true
     isLoading.value = false
-    setProgress(0, error instanceof Error ? error.message : '多层展示模型加载失败')
+    setFriendlyModelLoadError()
   }
 }