画布组合撤回和重做bug修复

src/component/Canvas/CanvasEditor/commands/LayerCommands.js

@@ -2019,7 +2019,7 @@ export class LayerObjectsToGroupCommand extends Command {
       console.error("图层或Canvas未初始化");
       return null;
     }
-
+	this.activeLayer = this.layerManager.getActiveLayer();
     // 查找图层中是否已有组对象
     const existingGroup = this._findExistingGroup();
     this.existingGroupId = existingGroup?.id || null;
@@ -2073,10 +2073,10 @@ export class LayerObjectsToGroupCommand extends Command {
         }
 
         // 更新交互性
-        this.layerManager?.updateLayersObjectsInteractivity?.(false);
-
-        // 更新缩略图
-        this._updateThumbnail();
+        this.layerManager?.updateLayersObjectsInteractivity?.(false).then(()=>{
+          // 更新缩略图
+          this._updateThumbnail();
+		});
       });
 
       // 标记为非首次执行
@@ -2344,7 +2344,7 @@ export class LayerObjectsToGroupCommand extends Command {
 
           // 将对象添加回画布
           this.canvas.add(obj);
-          restoredObjects.push(obj);
+          restoredObjects.push(obj.toObject("id", "layerId", "layerName"));
 
           console.log(
             `✅ 恢复原始对象 ${obj.id || obj.type} 到位置 (${position.left}, ${
@@ -2543,9 +2543,9 @@ export class LayerObjectsToGroupCommand extends Command {
    * @private
    */
   _updateThumbnail() {
-    // this.canvas?.thumbnailManager?.generateLayerThumbnail?.(
-    //   this.activeLayer.id
-    // );
+    this.canvas?.thumbnailManager?.generateLayerThumbnail?.(
+      this.activeLayer.id
+    );
   }
 
   getInfo() {

src/component/Canvas/canvasExample.vue

@@ -157,7 +157,30 @@ function canvasProject() {
     console.warn("没有找到保存的画布项目");
   }
 }
-
+const exportJSON = () => {
+  console.log("导出JSON");
+  // 实现导出JSON逻辑
+  const json = canvasEditor.value.getJSON();
+  // 导出JSON文件
+  const blob = new Blob([json], { type: "application/json" });
+  const url = URL.createObjectURL(blob);
+  const a = document.createElement("a");
+  a.href = url;
+  a.download = "canvas_project.json";
+  a.click();
+  URL.revokeObjectURL(url);
+};
+// 复制JSON
+const copyJSON = () => {
+  console.log("复制JSON");
+  // 实现复制JSON逻辑
+  const json = canvasEditor.value.getJSON();
+  // 复制JSON到剪贴板
+  navigator.clipboard.writeText(json);
+};
+const getLayers = ()=>{
+  console.log("==========layers",canvasEditor.value?.layers)
+}
 // 处理自定义工具点击
 const handleCustomToolClick = (tool) => {
   tool.action();
@@ -255,6 +278,26 @@ const isShowLeft = ref(true);
             <span>更</span>
             <div class="tool-tooltip">更换底图</div>
           </div>
+          <div class="custom-tool-btn" @click="saveCanvas">
+            <span>保</span>
+            <div class="tool-tooltip">保存画布</div>
+          </div>
+          <div class="custom-tool-btn" @click="canvasProject">
+            <span>读</span>
+            <div class="tool-tooltip">读取画布</div>
+          </div>
+          <div class="custom-tool-btn" @click="exportJSON">
+            <span>导</span>
+            <div class="tool-tooltip">导出JSON</div>
+          </div>
+          <div class="custom-tool-btn" @click="copyJSON">
+            <span>复</span>
+            <div class="tool-tooltip">复制JSON</div>
+          </div>
+          <div class="custom-tool-btn" @click="getLayers">
+            <span>查</span>
+            <div class="tool-tooltip">查询图层</div>
+          </div>
         </template>
       </CanvasEditor>
     </div>