feat(map): 滚轮缩放以光标为焦点并调整保存文案

src/views/dashboard1/pages/EquipmentManagementPage.vue

@@ -557,7 +557,7 @@ function markCurrentMapUploaded(payload: Partial<MapRecord>) {
   currentConfig.value.lastSyncedAt = nowString();
 }
 
-// 调用小车地图地址接口，在保存下发时单独保存 PGM 和 YAML 文件 URL
+// 调用小车地图地址接口，在保存时单独保存 PGM 和 YAML 文件 URL
 async function saveCurrentMapUrls() {
   if (!currentConfiguredDevice.value || !currentConfig.value) {
     return;
@@ -717,7 +717,7 @@ async function handleMapImageFileChange(event: Event) {
 
     rosMapMeta.imageUrl = uploadedUrl;
     markCurrentMapUploaded({ imageUrl: uploadedUrl, name: file.name });
-    mapUploadMessage.value = "地图 PGM 上传成功，保存下发后生效";
+    mapUploadMessage.value = "地图 PGM 上传成功，保存后生效";
   } catch (error) {
     console.error(error);
     mapUploadMessage.value = "地图 PGM 解析或上传失败，请确认文件为 P5 格式";
@@ -769,7 +769,7 @@ async function handleMapConfigFileChange(event: Event) {
 
     rosMapMeta.configUrl = uploadedUrl;
     markCurrentMapUploaded({ configUrl: uploadedUrl });
-    mapUploadMessage.value = "地图配置上传成功，保存下发后生效";
+    mapUploadMessage.value = "地图配置上传成功，保存后生效";
     scheduleMapCanvasRender();
   } catch (error) {
     console.error(error);
@@ -1507,9 +1507,26 @@ function clampMapZoom(value: number) {
   return Math.min(maxMapZoom, Math.max(minMapZoom, Number(value.toFixed(2))));
 }
 
-// 设置地图缩放比例并触发画布重绘
-function setMapZoom(value: number) {
-  mapZoom.value = clampMapZoom(value);
+// 设置地图缩放比例并触发画布重绘；传入 focusPoint（画布内坐标）时缩放保持该焦点下的地图点不动
+function setMapZoom(value: number, focusPoint?: { x: number; y: number }) {
+  const nextZoom = clampMapZoom(value);
+
+  if (focusPoint && nextZoom !== mapZoom.value) {
+    const rect = getMapStageRect();
+
+    if (rect && rect.width > 0 && rect.height > 0) {
+      const frame = getRosMapFrame(rect);
+      const pointerRatioX = (focusPoint.x - frame.left) / frame.width;
+      const pointerRatioY = (focusPoint.y - frame.top) / frame.height;
+      const nextWidth = frame.width * (nextZoom / mapZoom.value);
+      const nextHeight = frame.height * (nextZoom / mapZoom.value);
+
+      mapPan.x += (frame.width - nextWidth) * (pointerRatioX - 0.5);
+      mapPan.y += (frame.height - nextHeight) * (pointerRatioY - 0.5);
+    }
+  }
+
+  mapZoom.value = nextZoom;
   scheduleMapCanvasRender();
 }
 
@@ -1531,10 +1548,12 @@ function resetMapView() {
   focusMapOnOrigin();
 }
 
-// 处理鼠标滚轮缩放地图
+// 处理鼠标滚轮缩放地图，以光标位置为缩放中心
 function handleMapWheel(event: WheelEvent) {
+  const rect = getMapStageRect();
   const zoomFactor = event.deltaY > 0 ? 1 / 1.1 : 1.1;
-  setMapZoom(mapZoom.value * zoomFactor);
+  const focusPoint = rect ? { x: event.clientX - rect.left, y: event.clientY - rect.top } : undefined;
+  setMapZoom(mapZoom.value * zoomFactor, focusPoint);
 }
 
 // 根据地图宽高比计算默认缩放：常规比例地图保持完整显示，宽扁/高瘦地图放大让短边占满画布
@@ -2820,7 +2839,7 @@ watch(
             </button>
             <button class="page-action-btn primary" :disabled="saveProgressVisible" type="button"
               @click="saveConfigDialog">
-              {{ saveProgressVisible ? "保存中..." : "保存下发" }}
+              {{ saveProgressVisible ? "保存中..." : "保存" }}
             </button>
           </div>
         </div>
@@ -3047,7 +3066,7 @@ watch(
 
         <div v-if="saveProgressVisible" class="save-progress-mask">
           <div class="save-progress-card">
-            <div class="save-progress-title">保存下发</div>
+            <div class="save-progress-title">保存</div>
             <div class="save-progress-text">{{ saveProgressMessage }}</div>
             <div class="save-progress-track">
               <div class="save-progress-fill" :style="{ width: `${saveProgressValue}%` }"></div>