fix: 战略地图创建保存防重 — 按钮loading防重复创建(修复一次保存9份)

frontend/src/views/MapList.vue

@@ -51,7 +51,7 @@
         </div>
         <div class="map-form-footer">
           <el-button size="small" @click="showForm=false">取消</el-button>
-          <el-button size="small" type="primary" @click="saveMap">保存</el-button>
+          <el-button size="small" type="primary" :loading="saving" @click="saveMap">保存</el-button>
         </div>
       </div>
     </div>
@@ -70,6 +70,7 @@ const showForm = ref(false)
 const editingMap = ref<any>(null)
 const form = ref<any>({})
 const createMode = ref("blank")
+const saving = ref(false)
 const selectedIds = ref<number[]>([])
 
 function onSelectionChange(rows: any[]) {
@@ -96,6 +97,8 @@ function goCanvas(id: number) { router.push('/maps/canvas/' + id) }
 function goVersion(id: number) { router.push('/maps/versions/' + id) }
 
 async function saveMap() {
+  if (saving.value) return
+  saving.value = true
   try {
     if (editingMap.value) {
       await mapApi.update(editingMap.value.id, form.value)
@@ -112,6 +115,8 @@ async function saveMap() {
     load()
   } catch (e) {
     ElMessage.error("操作失败")
+  } finally {
+    saving.value = false
   }
 }