H5/leshan-laboratory.git

			@@ -644,35 +644,37 @@
			// 监听窗口大小变化
			window.addEventListener('resize', this.handleResize);

			// 节点点击事件
			this.graph.on('node:click', (evt) => {
			const handleNodeClick = (evt) => {
			evt.preventDefault(); // 阻止默认触摸行为
			const node = evt.item;
			const nodeModel = node.getModel();

			// 如果节点已废弃，不允许任何操作
			if (!nodeModel.isDiscarded) {
			this.$message.warning('该节点已废弃，不能进行操作');
			return;
			}

			// 更新选中节点
			this.selectedNode = nodeModel;

			// 更新节点选中状态
			this.graphData.nodes.forEach(n => {
			n.selected = n.id === nodeModel.id;
			});
			this.graph.changeData(this.graphData);
			});
			};
			this.graph.on('node:click', handleNodeClick);
			this.graph.on('node:touchstart', handleNodeClick);

			// 画布点击事件，取消选中节点
			this.graph.on('canvas:click', () => {
			// 画布点击事件，取消选中节点（添加触摸支持）
			const handleCanvasClick = (evt) => {
			evt.preventDefault();
			this.selectedNode = null;
			this.graphData.nodes.forEach(n => {
			n.selected = false;
			});
			this.graph.changeData(this.graphData);
			});
			};
			this.graph.on('canvas:click', handleCanvasClick);
			this.graph.on('canvas:touchstart', handleCanvasClick);
			},
			handleResize() {
			if (this.graph) {