feat: add map picker for upload coordinates

src/views/upload/UploadView.vue

@@ -4,6 +4,7 @@ import { useRouter } from 'vue-router'
 import { useCloudsStore } from '@/stores/clouds'
 import { useAuthStore } from '@/stores/auth'
 import { downloadCloudBadgeCard } from '@/lib/cloudBadges'
+import { loadAMap } from '@/lib/amap'
 import { useUpload } from '@/composables/useUpload'
 
 const router = useRouter()
@@ -17,6 +18,16 @@ const successMsg = ref(false)
 const unlockedBadges = ref<Awaited<ReturnType<typeof uploadAll>>['unlockedBadges']>([])
 const errorMsg = ref('')
 const fileInput = ref<HTMLInputElement | null>(null)
+const mapPickerOpen = ref(false)
+const mapPickerLoading = ref(false)
+const mapPickerError = ref('')
+const mapPickerLat = ref<number | null>(null)
+const mapPickerLng = ref<number | null>(null)
+const miniMapEl = ref<HTMLDivElement | null>(null)
+
+let mapPickerAMap: typeof AMap | null = null
+let mapPickerInstance: AMap.Map | null = null
+let mapPickerMarker: AMap.Marker | null = null
 
 const activeItem = computed(() => {
   if (!activeId.value) return null
@@ -58,6 +69,122 @@ function handleRemove(id: string) {
   }
 }
 
+function formatCoordinate(value: number | null) {
+  return value === null ? '未选择' : value.toFixed(6)
+}
+
+function updateActiveCoordinates(latitude: number | null, longitude: number | null) {
+  if (!activeItem.value) return
+
+  activeItem.value.latitude = latitude
+  activeItem.value.longitude = longitude
+
+  if (activeItem.value.errors.latitude) delete activeItem.value.errors.latitude
+  if (activeItem.value.errors.longitude) delete activeItem.value.errors.longitude
+}
+
+function destroyMapPicker() {
+  mapPickerMarker?.setMap(null)
+  mapPickerMarker = null
+  mapPickerInstance?.destroy()
+  mapPickerInstance = null
+}
+
+function placeMapPickerMarker(longitude: number, latitude: number) {
+  if (!mapPickerAMap || !mapPickerInstance) return
+
+  if (!mapPickerMarker) {
+    mapPickerMarker = new mapPickerAMap.Marker({
+      position: [longitude, latitude],
+      title: '拍摄位置',
+    } as AMap.MarkerOptions)
+    mapPickerMarker.setMap(mapPickerInstance)
+  } else {
+    mapPickerMarker.setPosition([longitude, latitude])
+  }
+}
+
+function extractLngLat(event: unknown) {
+  const payload = event as { lnglat?: { lng?: number; lat?: number } } | undefined
+  const lng = payload?.lnglat?.lng
+  const lat = payload?.lnglat?.lat
+
+  if (typeof lng !== 'number' || typeof lat !== 'number') return null
+  return { lng, lat }
+}
+
+function handleMapPickerClick(event: unknown) {
+  const picked = extractLngLat(event)
+  if (!picked) return
+
+  mapPickerLng.value = picked.lng
+  mapPickerLat.value = picked.lat
+  placeMapPickerMarker(picked.lng, picked.lat)
+}
+
+async function openMapPicker() {
+  if (!activeItem.value) return
+
+  mapPickerOpen.value = true
+  mapPickerLoading.value = true
+  mapPickerError.value = ''
+  mapPickerLat.value = activeItem.value.latitude
+  mapPickerLng.value = activeItem.value.longitude
+
+  await nextTick()
+  destroyMapPicker()
+
+  try {
+    mapPickerAMap = await loadAMap()
+
+    const hasCoordinates =
+      typeof activeItem.value.latitude === 'number' &&
+      typeof activeItem.value.longitude === 'number'
+
+    const center: [number, number] = hasCoordinates
+      ? [activeItem.value.longitude as number, activeItem.value.latitude as number]
+      : [104.07, 30.67]
+
+    mapPickerInstance = new mapPickerAMap.Map(miniMapEl.value!, {
+      viewMode: '2D',
+      pitch: 0,
+      rotation: 0,
+      zoom: hasCoordinates ? 11 : 4,
+      center,
+      mapStyle: 'amap://styles/normal',
+      resizeEnable: true,
+    } as AMap.MapOptions)
+
+    mapPickerInstance.on('click', handleMapPickerClick)
+
+    if (hasCoordinates) {
+      placeMapPickerMarker(activeItem.value.longitude as number, activeItem.value.latitude as number)
+    }
+  } catch (error) {
+    mapPickerError.value = error instanceof Error ? error.message : '地图加载失败'
+  } finally {
+    mapPickerLoading.value = false
+  }
+}
+
+function closeMapPicker() {
+  mapPickerOpen.value = false
+  mapPickerLoading.value = false
+  mapPickerError.value = ''
+  destroyMapPicker()
+}
+
+function confirmMapPicker() {
+  if (mapPickerLat.value === null || mapPickerLng.value === null) return
+
+  updateActiveCoordinates(mapPickerLat.value, mapPickerLng.value)
+  closeMapPicker()
+}
+
+function clearCoordinates() {
+  updateActiveCoordinates(null, null)
+}
+
 async function handleSubmit() {
   errorMsg.value = ''
   const allValid = validateAll()
@@ -159,7 +286,10 @@ function onCategoryChange(e: Event) {
 }
 
 onMounted(() => { cloudsStore.fetchCloudTypes() })
-onUnmounted(() => { for (const item of items.value) URL.revokeObjectURL(item.preview) })
+onUnmounted(() => {
+  for (const item of items.value) URL.revokeObjectURL(item.preview)
+  destroyMapPicker()
+})
 </script>
 
 <template>
@@ -350,8 +480,18 @@ onUnmounted(() => { for (const item of items.value) URL.revokeObjectURL(item.pre
 
               <!-- 经纬度 -->
               <div>
-                <label class="block text-sm font-medium text-gray-700 mb-1">经纬度</label>
-                <div class="grid grid-cols-2 gap-2">
+                <div class="mb-1 flex items-center justify-between gap-3">
+                  <label class="block text-sm font-medium text-gray-700">经纬度</label>
+                  <button
+                    v-if="activeItem.latitude !== null || activeItem.longitude !== null"
+                    type="button"
+                    @click="clearCoordinates"
+                    class="text-xs font-medium text-gray-400 transition-colors hover:text-gray-600"
+                  >
+                    清空
+                  </button>
+                </div>
+                <div class="grid grid-cols-[minmax(0,1fr)_minmax(0,1fr)_auto] gap-2">
                   <div>
                     <input
                       :value="activeItem.latitude !== null ? activeItem.latitude : ''"
@@ -374,8 +514,19 @@ onUnmounted(() => { for (const item of items.value) URL.revokeObjectURL(item.pre
                     />
                     <p v-if="activeItem.errors.longitude" class="text-sm text-red-500 mt-1">{{ activeItem.errors.longitude }}</p>
                   </div>
+                  <div>
+                    <button
+                      type="button"
+                      @click="openMapPicker"
+                      title="地图选点"
+                      aria-label="地图选点"
+                      class="flex h-10 w-10 items-center justify-center rounded-lg border border-sky-200 bg-sky-50 text-sky-700 transition-colors hover:bg-sky-100"
+                    >
+                      <span class="text-lg leading-none">🗺️</span>
+                    </button>
                   </div>
-                <p class="text-xs text-gray-400 mt-1">选填，纬度范围 -90 ~ 90，经度范围 -180 ~ 180</p>
+                </div>
+                <p class="text-xs text-gray-400 mt-1">选填，可手动输入，或点击右侧小地图图标选点</p>
               </div>
 
               <!-- 位置名称 -->
@@ -435,4 +586,78 @@ onUnmounted(() => { for (const item of items.value) URL.revokeObjectURL(item.pre
       </template>
     </template>
   </div>
+
+  <Teleport to="body">
+    <div
+      v-if="mapPickerOpen"
+      class="fixed inset-0 z-[120] flex items-center justify-center bg-slate-950/55 px-4 py-6"
+      @click="closeMapPicker"
+    >
+      <div
+        class="w-full max-w-3xl overflow-hidden rounded-[28px] bg-white shadow-2xl"
+        @click.stop
+      >
+        <div class="flex items-start justify-between border-b border-gray-200 px-6 py-5">
+          <div>
+            <h3 class="text-xl font-semibold text-gray-900">地图选点</h3>
+            <p class="mt-1 text-sm text-gray-500">点击地图即可回填当前图片的经纬度，也可以继续手动修改。</p>
+          </div>
+          <button
+            type="button"
+            @click="closeMapPicker"
+            class="rounded-full p-2 text-gray-400 transition-colors hover:bg-gray-100 hover:text-gray-600"
+          >
+            ✕
+          </button>
+        </div>
+
+        <div class="px-6 py-5">
+          <div class="mb-4 flex flex-wrap items-center gap-3 rounded-2xl bg-slate-50 px-4 py-3 text-sm text-slate-600">
+            <span>当前选择：</span>
+            <span class="font-medium text-slate-900">纬度 {{ formatCoordinate(mapPickerLat) }}</span>
+            <span class="font-medium text-slate-900">经度 {{ formatCoordinate(mapPickerLng) }}</span>
+          </div>
+
+          <div class="relative overflow-hidden rounded-3xl border border-gray-200 bg-slate-100">
+            <div ref="miniMapEl" class="h-[420px] w-full"></div>
+
+            <div
+              v-if="mapPickerLoading"
+              class="absolute inset-0 flex items-center justify-center bg-white/80 text-sm font-medium text-slate-600"
+            >
+              正在加载地图...
+            </div>
+
+            <div
+              v-if="mapPickerError"
+              class="absolute inset-0 flex items-center justify-center bg-white/90 px-6 text-center text-sm text-red-600"
+            >
+              {{ mapPickerError }}
+            </div>
+          </div>
+        </div>
+
+        <div class="flex items-center justify-between border-t border-gray-200 px-6 py-4">
+          <p class="text-sm text-gray-500">建议点选大致拍摄位置，上传时会继续做模糊化处理。</p>
+          <div class="flex gap-3">
+            <button
+              type="button"
+              @click="closeMapPicker"
+              class="rounded-xl border border-gray-300 px-4 py-2.5 text-sm font-medium text-gray-700 transition-colors hover:bg-gray-50"
+            >
+              取消
+            </button>
+            <button
+              type="button"
+              :disabled="mapPickerLat === null || mapPickerLng === null"
+              @click="confirmMapPicker"
+              class="rounded-xl bg-sky-500 px-4 py-2.5 text-sm font-medium text-white transition-colors hover:bg-sky-600 disabled:cursor-not-allowed disabled:opacity-50"
+            >
+              使用这个位置
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  </Teleport>
 </template>