添加反向树加载功能，重构节点和树的选择逻辑

Co-authored-by: Copilot <copilot@github.com>
2026-04-17 19:30:19 +08:00
parent 65d99bb7a8
commit 1de4f9db8d
15 changed files with 611 additions and 139 deletions
--- a/modeler/package.json
+++ b/modeler/package.json
@@ -10,6 +10,7 @@
  },
  "dependencies": {
    "@antv/g6": "^5.0.49",
+    "@ant-design/icons-vue": "^7.0.1",
    "@antv/x6": "^3.1.2",
    "@antv/x6-vue-shape": "^3.0.2",
    "ant-design-vue": "^4.2.6",
--- a/modeler/src/views/decision/communication/relation.ts
+++ b/modeler/src/views/decision/communication/relation.ts
@@ -26,7 +26,7 @@ export function resolveConnectionRelation(graph: Graph): PlatformRelation[] {
  // 过滤无效/临时边
  const validEdges = edges.filter(edge => {
    // 过滤临时边（X6 拖拽连线时生成的未完成边）
-    const isTempEdge = edge?.attr('line/stroke') === 'transparent' || edge.id.includes('temp');
+    const isTempEdge = edge?.attr('line/stroke') === 'transparent' || String(edge.id).includes('temp');
    if (isTempEdge) {
      tempEdgeIds.add(edge.id);
      return false;
--- a/modeler/src/views/decision/designer/api.ts
+++ b/modeler/src/views/decision/designer/api.ts
@@ -10,9 +10,54 @@
 import { HttpRequestClient } from '@/utils/request';
 import type { NodeTemplatesResponse } from './template';
 import type { BehaviorTree, BehaviorTreeDetailsResponse, BehaviorTreePageResponse, BehaviorTreeRequest } from './tree';
-import type { BasicResponse } from '@/types';
+import type { BasicResponse, PageableResponse } from '@/types';
 import type { PlatformListableResponse } from '../types';

+
+
+export interface TreeTemplateRow {
+  id: number;
+  type: string;
+  name: string;
+  multiable?: boolean;
+}
+
+export interface TreeNodeInstanceRow {
+  id: number;
+  treeId: number;
+  templateId: number;
+  instanceName: string;
+  isRoot: number;
+}
+
+export interface TreeConnectionRow {
+  id: number;
+  treeId: number;
+  parentNodeId: number;
+  childNodeId: number;
+  orderIndex: number;
+}
+
+export interface TreeTemplateParameterDefRow {
+  id: number;
+  templateId: number;
+  paramKey: string;
+  dataType: string;
+  defaultValue: string;
+  description: string;
+  templateType: string;
+}
+
+export interface TreeNodeParameterRow {
+  id: number;
+  treeId: number;
+  nodeInstanceId: number;
+  paramDefId: number;
+  value: string;
+  groupIndex: number;
+}
+
+
 const req = HttpRequestClient.create<BasicResponse>({
  baseURL: '/api',
 });
@@ -20,6 +65,20 @@ const req = HttpRequestClient.create<BasicResponse>({
 export const findNodeTemplates = (): Promise<NodeTemplatesResponse> => {
  return req.get('/system/nodetemplate/all');
 };
+export const findTemplateParameterDefs = (query={pageSize: 1000, pageNum: 1}): Promise<PageableResponse<TreeTemplateParameterDefRow>> => {
+  return req.get('/system/templateparameterdef/list', query);
+}
+export const findNodeConnections = (query: {treeId: number}): Promise<PageableResponse<TreeConnectionRow>> => {
+  return req.get('/system/nodeconnection/list', {pageSize: 1000, pageNum: 1, ...query});
+};
+export const findNodeParameters = (query: {treeId: number}): Promise<PageableResponse<TreeNodeParameterRow>> => {
+  return req.get('/system/nodeparameter/list', {pageSize: 1000, pageNum: 1, ...query});
+}
+export const findTreeNodeInstances = (query: {treeId: number}): Promise<PageableResponse<TreeNodeInstanceRow>> => {
+  return req.get('/system/treenodeinstance/list', {pageSize: 1000, pageNum: 1, ...query});
+}
+
+

 export const findTreesByQuery = (query: Partial<BehaviorTreeRequest> = {}): Promise<BehaviorTreePageResponse> => {
  return req.get<BehaviorTreePageResponse>('/system/behaviortree/list', query);
--- a/modeler/src/views/decision/designer/designer.vue
+++ b/modeler/src/views/decision/designer/designer.vue
@@ -7,11 +7,13 @@
          <div class="ks-model-builder-left">
            <ScenariosCard
              ref="scenariosCardRef"
+              :scenarioId="currentScenarioId"
              @select-scenario="handleSelectScenario"
            />
            <TressCard
              ref="treesCardRef"
              :scenarioId="currentScenarioId"
+              :platformId="currentPlatformId"
              @create-tree="handleCreateTree"
              @select-tree="handleSelectTree"
            />
@@ -76,6 +78,7 @@ import Properties from './properties.vue';
 import type { NodeDragTemplate } from './template';
 import type { BehaviorTree } from './tree';
 import { createGraphTaskElementFromTemplate } from './utils';
+import { resolveBehaviorTreeGraph } from './reverse-tree/tree-graph-resolver';

 import { createGraphTaskElement, createLineOptions, type GraphContainer, type GraphTaskElement, hasElements, hasRootElementNode, resolveGraph, useGraphCanvas } from '../graph';
 import { registerNodeElement } from './register';
@@ -268,102 +271,6 @@ export default defineComponent({
      }
    };

-    const handleSelectTree = (tree: BehaviorTree) => {
-      destroyGraph();
-      currentPlatformId.value = null; 
-
-      console.info('handleSelectTree', tree);
-      findOneTreeById(tree.id).then(r => {
-        if (r.data) {
-          let nodeGraph: GraphContainer | null = null;
-          try {
-            nodeGraph = JSON.parse(r.data?.xmlContent as unknown as string) as unknown as GraphContainer;
-          } catch (e: any) {
-            console.error('parse error,cause:', e);
-          }
-          if (!nodeGraph) {
-            nodeGraph = {
-              nodes: [],
-              edges: [],
-            };
-          }
-          currentBehaviorTree.value = {
-            ...r.data,
-            graph: nodeGraph,
-          };
-          currentTreeEditing.value = true;
-          
-          // 加载下属平台
-          loadSubPlatforms(r.data.platformId);
-          
-          nextTick(() => {
-            initGraph();
-          });
-        } else {
-          message.error(r.msg ?? '行为树不存在.');
-        }
-      });
-    };
-
-    const createElements = () => {
-      clearGraph();
-      nextTick(() => {
-        if (currentBehaviorTree.value?.graph && graph.value) {
-          if (currentBehaviorTree.value?.graph.nodes) {
-            currentBehaviorTree.value?.graph.nodes.forEach(ele => {
-              const node = createGraphTaskElement(ele as GraphTaskElement);
-              console.info('create node: ', ele);
-              // 将节点添加到画布
-              graph.value?.addNode(node as Node);
-            });
-            fitToScreen();
-          }
-          
-          // 然后添加所有边，确保包含桩点信息
-          currentBehaviorTree.value?.graph.edges.forEach(edgeData => {
-            graph.value?.addEdge({
-              ...edgeData,
-              ...createLineOptions(),
-            });
-          });
-        }
-      });
-    };
-
-    const STORAGE_KEY_SCENARIO = 'designer_from_scenario_id';
-
-    const resolveQuery = ()=> {
-      console.log(currentRoute);
-      
-      let scenarioId = Number(currentRoute.query.scenario);
-      if (!isNaN(scenarioId) && scenarioId > 0) {
-        currentScenarioId.value = scenarioId;
-        fromScenarioPage.value = true;
-        sessionStorage.setItem(STORAGE_KEY_SCENARIO, String(scenarioId));
-      } else {
-        // 尝试从 sessionStorage 恢复（页面刷新或 SPA 内部跳转后 query 参数丢失的情况）
-        const stored = sessionStorage.getItem(STORAGE_KEY_SCENARIO);
-        const storedId = Number(stored);
-        if (stored && !isNaN(storedId) && storedId > 0) {
-          currentScenarioId.value = storedId;
-          fromScenarioPage.value = true;
-        } else {
-          fromScenarioPage.value = false;
-        }
-      }
-      let platformId = Number(currentRoute.query.platform);
-      if (!isNaN(platformId)) {
-        currentPlatformId.value = platformId;
-      } else {
-        currentPlatformId.value = null;
-      }
-    }
-
-    // 处理选择场景
-    const handleSelectScenario = (scenario: any) => { 
-      currentScenarioId.value = scenario.id;
-    };
-
    const initGraphConfig = (_graph?: GraphContainer) => {
      const graph: GraphContainer = _graph ? _graph : {
        nodes: [],
@@ -384,6 +291,96 @@ export default defineComponent({
      };
    };

+    const createElements = () => {
+      clearGraph();
+      nextTick(() => {
+        if (currentBehaviorTree.value?.graph && graph.value) {
+          if (currentBehaviorTree.value?.graph.nodes) {
+            currentBehaviorTree.value?.graph.nodes.forEach(ele => {
+              const node = createGraphTaskElement(ele as GraphTaskElement);
+              // 将节点添加到画布
+              graph.value?.addNode(node as Node);
+            });
+          }
+          setTimeout(() => {
+            // 然后添加所有边，确保包含桩点信息
+            currentBehaviorTree.value?.graph.edges.forEach(edgeData => {
+              graph.value?.addEdge({
+                ...edgeData,
+                ...createLineOptions(),
+              });
+            });
+          });
+          fitToScreen();
+
+          console.info('create elements: ', currentBehaviorTree.value?.graph);          
+        }
+      });
+    };
+
+    const applyBehaviorTree = (tree: BehaviorTree) => {
+      destroyGraph();
+      currentPlatformId.value = tree.platformId ?? null;
+      currentBehaviorTree.value = tree;
+      currentTreeEditing.value = true;
+      selectedModelNode.value = null;
+      selectedNodeTaskElement.value = null;
+      loadSubPlatforms(currentPlatformId.value);
+      console.log('currentBehaviorTree.value: ', tree);
+  
+      nextTick(() => {
+        initGraph();
+        console.log('initGraphTree: ', tree);
+        
+      });
+    };
+
+    const handleSelectTree = (tree: BehaviorTree) => {
+      console.info('handleSelectTree', tree);
+      findOneTreeById(tree.id).then(r => {
+        if (r.data) {
+          resolveBehaviorTreeGraph(r.data.id, r.data.xmlContent).then(nodeGraph => {
+            applyBehaviorTree({
+              ...r.data,
+              graph: nodeGraph,
+            });
+          }).catch(error => {
+            console.error('resolve tree graph error:', error);
+            message.error('加载行为树图失败');
+          });
+        } else {
+          message.error(r.msg ?? '行为树不存在.');
+        }
+      });
+    };
+
+    const resolveQuery = ()=> {
+      console.log(currentRoute);
+      if (!currentRoute.query.scenario) {
+        return
+      }
+      
+      let scenarioId = Number(currentRoute.query.scenario);
+      if (!isNaN(scenarioId)) {
+        currentScenarioId.value = scenarioId;
+        fromScenarioPage.value = true;
+      } else {
+        fromScenarioPage.value = false;
+      }
+      
+      let platformId = Number(currentRoute.query.platform);
+      if (!isNaN(platformId)) {
+        currentPlatformId.value = platformId;
+      } else {
+        currentPlatformId.value = null;
+      }      
+    }
+
+    // 处理选择场景
+    const handleSelectScenario = (scenario: any) => { 
+      currentScenarioId.value = scenario.id;
+    };
+
    const handleCreateTree = () => {
      destroyGraph();
      initGraphConfig();
@@ -407,9 +404,17 @@ export default defineComponent({
      try {
        graph.value = createCanvas(canvas.value);
        console.log('画布初始化成功');
-        initGraphConfig();
+        if (!currentBehaviorTree.value) {
+          initGraphConfig();
+        }
        createElements();

+        graph.value?.on('edge:click', (args: any) => {
+          const edge = args.edge;
+          console.info('点击了连线:', args);
+          // 这里可以添加选中连线的逻辑，比如显示属性面板等
+        });
+
        // 监听缩放变化
        handleGraphEvent('scale', ({ sx }: { sx: number }) => {
          currentZoom.value = sx;
@@ -450,7 +455,6 @@ export default defineComponent({

    const init = () => {
      console.info('init');
-      
       
      nextTick(() => {
        initGraph();
@@ -461,8 +465,6 @@ export default defineComponent({
        
        if (currentPlatformId.value) { 
          findOneTreeByPlatformId(currentPlatformId.value).then(r => {
-          console.log(r);
-          
            if (r.data) {
              handleSelectTree(r.data);
            } else {
@@ -488,7 +490,6 @@ export default defineComponent({
    };

    const handleGoback = ()=> {
-      sessionStorage.removeItem(STORAGE_KEY_SCENARIO);
      window.location.href = `/app/decision/communication?scenario=${currentScenarioId.value}`
    }

@@ -542,6 +543,7 @@ export default defineComponent({
    return {
      nodeCommands,
      currentScenarioId,
+      currentPlatformId,
      platforms,
      subPlatforms,
      scenariosCardRef,
--- a/modeler/src/views/decision/designer/node.vue
+++ b/modeler/src/views/decision/designer/node.vue
@@ -18,7 +18,7 @@
          </a-space>
        </template>

-        <div class="port port-in"  data-port="in-0" magnet="passive">
+        <div class="port port-in" data-port="in-0" port="in-0" magnet="passive">
          <div class="triangle-left"></div>
        </div>
        <div class="w-full ks-designer-node-text">
@@ -31,7 +31,7 @@
            </p>
          </a-tooltip>
        </div>
-        <div class="port port-out" data-port="out-0" magnet="active">
+        <div class="port port-out" data-port="out-0" port="out-0" magnet="active">
          <div class="triangle-right" ></div>
        </div>
      </a-card>
--- a/modeler/src/views/decision/designer/nodes-card.vue
+++ b/modeler/src/views/decision/designer/nodes-card.vue
@@ -72,8 +72,8 @@
 <script lang="ts">
 import { defineComponent, onMounted, ref } from 'vue';
 import type { NodeDragTemplate, NodeTemplate } from './template';
-import { findNodeTemplates } from './api';
 import { safePreventDefault, safeStopPropagation } from '@/utils/event';
+import { loadNodeTemplatesOnce } from './template-metadata-loader';

 export default defineComponent({
  emits: ['drag-item-start', 'drag-item-end'],
@@ -95,7 +95,7 @@ export default defineComponent({
      conditionTemplates.value = [];
      actionsTemplates.value = [];

-      findNodeTemplates().then(r => {
+      loadNodeTemplatesOnce().then(r => {
        templateData.value = r.data;
        if (r.data) {
          r.data.forEach(tpl => {
--- a/modeler/src/views/decision/designer/properties.vue
+++ b/modeler/src/views/decision/designer/properties.vue
@@ -113,7 +113,7 @@
                      </a-select>
                      <a-select :placeholder="`请选择${setting.description}`"
                                allow-clear
-                                v-else-if="setting.paramKey === 'command'" v-model:value="setting.defaultValue">
+                                v-else-if="isNodeCommandParameter(setting.paramKey as string | null | undefined)" v-model:value="setting.defaultValue">
                        <a-select-option v-for="pl in nodeCommands" :value="pl.command">{{pl.chineseName}}</a-select-option>
                      </a-select>
                      <a-input v-else v-model:value="setting.defaultValue"
@@ -148,7 +148,7 @@
                    </a-select>
                    <a-select :placeholder="`请选择${setting.description}`"
                              allow-clear
-                              v-else-if="setting.paramKey === 'command'" v-model:value="setting.defaultValue">
+                              v-else-if="isNodeCommandParameter(setting.paramKey as string | null | undefined)" v-model:value="setting.defaultValue">
                      <a-select-option v-for="pl in nodeCommands" :value="pl.command">{{pl.chineseName}}</a-select-option>
                    </a-select>
                    <a-input v-else v-model:value="setting.defaultValue" :placeholder="setting.description" size="small" />
@@ -209,6 +209,10 @@ export default defineComponent({
  },
  emits: ['update-element', 'update-tree'],
  setup(props, { emit }) {
+    const isNodeCommandParameter = (paramKey: string | null | undefined): boolean => {
+      return ['command', 'should_task'].includes(paramKey ?? '');
+    };
+
    const platforms = ref<Platform[]>(props.platforms ?? []);
    const subPlatforms = ref<Platform[]>(props.subPlatforms ?? []);
    const nodeCommands = ref<NodeCommand[]>(props.nodeCommands ?? []);
@@ -448,6 +452,7 @@ export default defineComponent({
      groupedParameters,
      getPlatformTabName,
      getAvailablePlatforms,
+      isNodeCommandParameter,
      actionSpaceColumns,
      activeTopTabsKey,
      activeBottomTabsKey,
--- a/modeler/src/views/decision/designer/reverse-tree/reverse-tree-loader.ts
+++ b/modeler/src/views/decision/designer/reverse-tree/reverse-tree-loader.ts
@@ -0,0 +1,49 @@
+import type { GraphContainer } from '../../graph';
+import { findNodeConnections, findNodeParameters, findTreeNodeInstances } from '../api';
+import type { TreeTemplateRow } from '../api';
+import { buildGraphFromReverseTreeRows } from './reverse-tree';
+import type { ReverseTreeRows } from './reverse-tree';
+import { loadNodeTemplatesOnce, loadTemplateParameterDefsOnce } from '../template-metadata-loader';
+
+// 已反演过的树直接返回缓存图，无需重复请求
+const graphCache = new Map<number, GraphContainer>();
+
+export const loadReverseTreeGraph = async (treeId: number): Promise<GraphContainer | null> => {
+  const cached = graphCache.get(treeId);
+  if (cached) {
+    return cached;
+  }
+
+  // 模板类接口只请求一次，树级接口每次切树请求
+  const [nodeTemplatesResponse, templateParameterDefs, instancesResponse, connectionsResponse] =
+    await Promise.all([
+      loadNodeTemplatesOnce(),
+      loadTemplateParameterDefsOnce(),
+      findTreeNodeInstances({ treeId }),
+      findNodeConnections({ treeId }),
+    ]);
+  const parametersResponse = await findNodeParameters({ treeId });
+  
+  const rows: ReverseTreeRows = {
+    templates: (nodeTemplatesResponse.data ?? []).map(t => ({
+      id: t.id,
+      type: t.type ?? 'action',
+      name: t.name ?? '',
+      multiable: t.multiable,
+    })) as TreeTemplateRow[],
+    templateParameterDefs: templateParameterDefs,
+    nodeInstances: instancesResponse.rows ?? [],
+    connections: connectionsResponse.rows ?? [],
+    nodeParameters: parametersResponse.rows ?? [],
+  };
+
+  const graph = buildGraphFromReverseTreeRows(treeId, rows);
+  if (graph) {
+    graphCache.set(treeId, graph);
+  }
+  return graph;
+};
+
+export const invalidateReverseTreeCache = (treeId: number): void => {
+  graphCache.delete(treeId);
+};
--- a/modeler/src/views/decision/designer/reverse-tree/reverse-tree.ts
+++ b/modeler/src/views/decision/designer/reverse-tree/reverse-tree.ts
@@ -0,0 +1,267 @@
+import type { ElementParameter, GraphContainer, GraphEdgeElement, GraphTaskElement } from '../../graph';
+import type {
+  TreeConnectionRow as ReverseTreeConnectionRow,
+  TreeNodeInstanceRow as ReverseTreeNodeInstanceRow,
+  TreeNodeParameterRow as ReverseTreeNodeParameterRow,
+  TreeTemplateParameterDefRow as ReverseTreeTemplateParameterDefRow,
+  TreeTemplateRow as ReverseTreeTemplateRow,
+} from '../api';
+
+export interface ReverseTreeRows {
+  templates: ReverseTreeTemplateRow[];
+  nodeInstances: ReverseTreeNodeInstanceRow[];
+  connections: ReverseTreeConnectionRow[];
+  templateParameterDefs: ReverseTreeTemplateParameterDefRow[];
+  nodeParameters: ReverseTreeNodeParameterRow[];
+}
+
+const NODE_WIDTH = 250;
+const CONTROL_HEIGHT = 60;
+const ACTION_HEIGHT = 120;
+const ROOT_X = 80;
+const ROOT_Y = 50;
+const LEVEL_Y_SPACING = 120;
+const SIBLING_X_SPACING = 280;
+
+const createNodeKey = (treeId: number, nodeId: number): string => {
+  return `reverse-tree-${treeId}-node-${nodeId}`;
+};
+
+const createEdgeKey = (treeId: number, edgeId: number): string => {
+  return `reverse-tree-${treeId}-edge-${edgeId}`;
+};
+
+const createBehaviorTreeEdgeEndpoints = (sourceCell: string, targetCell: string) => {
+  return {
+    source: {
+      cell: sourceCell,
+      port: 'out-0',
+    },
+    target: {
+      cell: targetCell,
+      port: 'in-0',
+    },
+  };
+};
+
+const resolveGroup = (type: string): 'control' | 'condition' | 'action' => {
+  if (type === 'root' || type === 'parallel' || type === 'select' || type === 'sequence') {
+    return 'control';
+  }
+  if (type === 'condition') {
+    return 'condition';
+  }
+  return 'action';
+};
+
+const resolveTemplateType = (type: string): string => {
+  if (type === 'select') {
+    return 'selector';
+  }
+  return type;
+};
+
+const resolveNodeHeight = (group: 'control' | 'condition' | 'action'): number => {
+  return group === 'action' ? ACTION_HEIGHT : CONTROL_HEIGHT;
+};
+
+const findRootNodeId = (
+  instances: ReverseTreeNodeInstanceRow[],
+  connections: ReverseTreeConnectionRow[],
+): number | null => {
+  const rootNode = instances.find(item => item.isRoot === 1);
+  if (rootNode) {
+    return rootNode.id;
+  }
+
+  const childIds = new Set(connections.map(item => item.childNodeId));
+  const topNode = instances.find(item => !childIds.has(item.id));
+  return topNode?.id ?? null;
+};
+
+export const buildGraphFromReverseTreeRows = (
+  treeId: number,
+  rows: ReverseTreeRows,
+): GraphContainer | null => {
+  const templates = rows.templates;
+  const templateParameterDefs = rows.templateParameterDefs;
+  const nodeParameters = rows.nodeParameters;
+  const instances = rows.nodeInstances.filter(item => item.treeId === treeId);
+  const connections = rows.connections
+    .filter(item => item.treeId === treeId)
+    .sort((left, right) => left.orderIndex - right.orderIndex);
+  const treeNodeParameters = nodeParameters.filter(item => item.treeId === treeId);
+
+  if (instances.length === 0) {
+    return null;
+  }
+
+  const templateMap = new Map(templates.map(item => [item.id, item]));
+  const templateParameterDefsMap = new Map<number, ReverseTreeTemplateParameterDefRow[]>();
+  const instanceMap = new Map(instances.map(item => [item.id, item]));
+  const childrenMap = new Map<number, ReverseTreeConnectionRow[]>();
+  const nodeParametersMap = new Map<number, ReverseTreeNodeParameterRow[]>();
+
+  templateParameterDefs.forEach(definition => {
+    const currentDefinitions = templateParameterDefsMap.get(definition.templateId) ?? [];
+    currentDefinitions.push(definition);
+    currentDefinitions.sort((left, right) => left.id - right.id);
+    templateParameterDefsMap.set(definition.templateId, currentDefinitions);
+  });
+
+  treeNodeParameters.forEach(parameter => {
+    const currentParameters = nodeParametersMap.get(parameter.nodeInstanceId) ?? [];
+    currentParameters.push(parameter);
+    currentParameters.sort((left, right) => {
+      if (left.groupIndex !== right.groupIndex) {
+        return left.groupIndex - right.groupIndex;
+      }
+      return left.id - right.id;
+    });
+    nodeParametersMap.set(parameter.nodeInstanceId, currentParameters);
+  });
+
+  connections.forEach(connection => {
+    const siblingConnections = childrenMap.get(connection.parentNodeId) ?? [];
+    siblingConnections.push(connection);
+    siblingConnections.sort((left, right) => left.orderIndex - right.orderIndex);
+    childrenMap.set(connection.parentNodeId, siblingConnections);
+  });
+
+  const rootNodeId = findRootNodeId(instances, connections);
+  if (!rootNodeId) {
+    return null;
+  }
+
+  const leafCountCache = new Map<number, number>();
+  const countLeaves = (nodeId: number): number => {
+    const cachedCount = leafCountCache.get(nodeId);
+    if (cachedCount) {
+      return cachedCount;
+    }
+
+    const children = childrenMap.get(nodeId) ?? [];
+    if (children.length === 0) {
+      leafCountCache.set(nodeId, 1);
+      return 1;
+    }
+
+    const totalLeaves = children.reduce((total, connection) => {
+      return total + countLeaves(connection.childNodeId);
+    }, 0);
+    leafCountCache.set(nodeId, totalLeaves);
+    return totalLeaves;
+  };
+
+  const nodes: GraphTaskElement[] = [];
+  const edges: GraphEdgeElement[] = [];
+
+  const buildNodeParameters = (instance: ReverseTreeNodeInstanceRow): ElementParameter[] => {
+    const parameterDefinitions = templateParameterDefsMap.get(instance.templateId) ?? [];
+    if (parameterDefinitions.length === 0) {
+      return [];
+    }
+
+    const parameterRows = nodeParametersMap.get(instance.id) ?? [];
+    const groupIndexes = parameterRows.length > 0
+      ? Array.from(new Set(parameterRows.map(item => item.groupIndex))).sort((left, right) => left - right)
+      : [0];
+
+    return groupIndexes.flatMap(groupIndex => {
+      return parameterDefinitions.map(definition => {
+        const parameterRow = parameterRows.find(item => item.paramDefId === definition.id && item.groupIndex === groupIndex);
+        return {
+          id: definition.id,
+          templateId: definition.templateId,
+          paramKey: definition.paramKey,
+          dataType: definition.dataType,
+          defaultValue: parameterRow?.value ?? definition.defaultValue,
+          description: definition.description,
+          templateType: definition.templateType,
+          groupIndex,
+        } as ElementParameter;
+      });
+    });
+  };
+
+  const walk = (nodeId: number, startX: number, y: number): number => {
+    const instance = instanceMap.get(nodeId);
+    if (!instance) {
+      return startX;
+    }
+
+    const template = templateMap.get(instance.templateId);
+    const templateType = template?.type ?? 'action';
+    const group = resolveGroup(templateType);
+    const parameters = buildNodeParameters(instance);
+    const leafCount = countLeaves(nodeId);
+    const totalWidth = leafCount * SIBLING_X_SPACING;
+    const centerX = startX + totalWidth / 2 - SIBLING_X_SPACING / 2;
+    const currentNode: GraphTaskElement = {
+      id: instance.id,
+      key: createNodeKey(treeId, instance.id),
+      type: 'task',
+      template: instance.templateId,
+      templateType: resolveTemplateType(templateType),
+      name: instance.instanceName || template?.name || `节点 ${instance.id}`,
+      category: group,
+      group,
+      description: instance.instanceName || template?.name || `节点 ${instance.id}`,
+      multiable: template?.multiable === true,
+      order: 0,
+      position: {
+        x: Math.round(centerX),
+        y: Math.round(y),
+      },
+      width: NODE_WIDTH,
+      height: resolveNodeHeight(group),
+      inputs: null,
+      outputs: null,
+      parameters,
+      variables: [],
+    };
+
+    nodes.push(currentNode);
+
+    const children = childrenMap.get(nodeId) ?? [];
+    let childStartX = startX;
+    children.forEach(connection => {
+      const childLeafCount = countLeaves(connection.childNodeId);
+      walk(connection.childNodeId, childStartX, y + LEVEL_Y_SPACING + currentNode.height);
+
+      const childInstance = instanceMap.get(connection.childNodeId);
+      const edge: GraphEdgeElement = {
+        id: connection.id,
+        key: createEdgeKey(treeId, connection.id),
+        ...createBehaviorTreeEdgeEndpoints(
+          currentNode.key as string,
+          createNodeKey(treeId, connection.childNodeId),
+        ),
+        attrs: {},
+        router: {},
+        connector: null,
+      };
+
+      edges.push(edge);
+
+      const currentEdges = ((currentNode as GraphTaskElement & { edges?: GraphEdgeElement[] }).edges ?? []).slice();
+      currentEdges.push({
+        ...edge,
+        sourceName: currentNode.name,
+        targetName: childInstance?.instanceName ?? childInstance?.id ?? connection.childNodeId,
+      });
+      (currentNode as GraphTaskElement & { edges?: GraphEdgeElement[] }).edges = currentEdges;
+
+      childStartX += childLeafCount * SIBLING_X_SPACING;
+    });
+
+    return centerX;
+  };
+
+  walk(rootNodeId, ROOT_X, ROOT_Y);
+
+  return {
+    nodes,
+    edges,
+  };
+};
--- a/modeler/src/views/decision/designer/reverse-tree/tree-graph-resolver.ts
+++ b/modeler/src/views/decision/designer/reverse-tree/tree-graph-resolver.ts
@@ -0,0 +1,43 @@
+import type { GraphContainer } from '../../graph';
+import { loadReverseTreeGraph } from './reverse-tree-loader';
+
+const EMPTY_GRAPH: GraphContainer = {
+  nodes: [],
+  edges: [],
+};
+
+export const parseBehaviorTreeGraph = (xmlContent: string | null | undefined): GraphContainer | null => {
+  if (!xmlContent) {
+    return null;
+  }
+
+  try {
+    return JSON.parse(xmlContent) as GraphContainer;
+  } catch (error) {
+    console.error('parse behavior tree graph error:', error);
+    return null;
+  }
+};
+
+export const hasBehaviorTreeNodes = (graph: GraphContainer | null | undefined): boolean => {
+  return Boolean(graph?.nodes && graph.nodes.length > 0);
+};
+
+export const loadBehaviorTreeGraphById = async (treeId: number): Promise<GraphContainer> => {
+  return (await loadReverseTreeGraph(treeId)) ?? { ...EMPTY_GRAPH };
+};
+
+export const resolveBehaviorTreeGraph = async (
+  treeId: number,
+  xmlContent: string | null | undefined,
+): Promise<GraphContainer> => {
+  // void xmlContent;
+
+  // 如需恢复动态选择逻辑，可切回下面这段：
+  const savedGraph = parseBehaviorTreeGraph(xmlContent);
+  if (hasBehaviorTreeNodes(savedGraph)) {
+    return savedGraph as GraphContainer;
+  }
+
+  return loadBehaviorTreeGraphById(treeId);
+};
--- a/modeler/src/views/decision/designer/scenarios-card.vue
+++ b/modeler/src/views/decision/designer/scenarios-card.vue
@@ -14,7 +14,7 @@
      </div>
      <a-list :data-source="scenarios || []" size="small" style="min-height: 25vh">
        <template #renderItem="{ item }">
-          <a-list-item :class="{ 'ks-item-selected': selectedId === item.id }" @click="()=> handleSelect(item)">
+          <a-list-item :class="{ 'ks-item-selected': scenarioId === item.id }" @click="()=> handleSelect(item)">
            <a-flex>
              <a-tooltip placement="bottom">
                <template #title>
@@ -38,13 +38,16 @@
 </template>

 <script lang="ts">
-import { defineComponent, onMounted, ref } from 'vue';
+import { defineComponent, onMounted, ref, watch, type PropType } from 'vue';
 import { CopyOutlined, DeleteOutlined, PlusOutlined } from '@ant-design/icons-vue';
 import type { Scenario, ScenarioRequest } from '../communication/types';
 import { findScenarioByQuery } from '../communication/api';
 import { substring } from '@/utils/strings';

 export default defineComponent({
+  props: {
+    scenarioId: Number as PropType<number>,
+  },
  emits: ['select-scenario'],
  components: {
    CopyOutlined,
@@ -60,7 +63,6 @@ export default defineComponent({
    });
    const activeKey = ref<number>(0);
    const totalScenarios = ref<number>(0);
-    const selectedId = ref<number | null>(null);

    const loadScenarios = (cb?: () => void) => {
      findScenarioByQuery(scenarioQuery.value).then(r => {
@@ -77,7 +79,6 @@ export default defineComponent({
    };

    const handleSelect = (record: Scenario) => {
-      selectedId.value = record.id;
      emit('select-scenario', record);
    };

@@ -85,9 +86,13 @@ export default defineComponent({

    onMounted(() => {
      loadScenarios(() => {
-        if(scenarios.value.length > 0){
-          selectedId.value = scenarios.value[0]!.id;
-          emit('select-scenario', scenarios.value[0]);
+        if (_props.scenarioId) {
+          return;
+        }
+        // 默认选中第一个场景
+        const selectedScenario = scenarios.value[0];
+        if (selectedScenario) {
+          emit('select-scenario', selectedScenario);
        }
      });
    });
@@ -97,7 +102,6 @@ export default defineComponent({
      totalScenarios,
      substring,
      activeKey,
-      selectedId,
      scenarios,
      scenarioQuery,
      loadScenarios,
--- a/modeler/src/views/decision/designer/template-metadata-loader.ts
+++ b/modeler/src/views/decision/designer/template-metadata-loader.ts
@@ -0,0 +1,32 @@
+import { findNodeTemplates, findTemplateParameterDefs } from './api';
+import type { TreeTemplateParameterDefRow } from './api';
+import type { NodeTemplatesResponse } from './template';
+
+// 模板列表：全局只请求一次
+let nodeTemplatesPromise: Promise<NodeTemplatesResponse> | null = null;
+
+// 模板参数定义：全局只请求一次
+let templateParameterDefsPromise: Promise<TreeTemplateParameterDefRow[]> | null = null;
+
+export const loadNodeTemplatesOnce = (): Promise<NodeTemplatesResponse> => {
+  if (!nodeTemplatesPromise) {
+    nodeTemplatesPromise = findNodeTemplates().catch(err => {
+      // 请求失败时清除缓存，下次可以重试
+      nodeTemplatesPromise = null;
+      return Promise.reject(err);
+    });
+  }
+  return nodeTemplatesPromise;
+};
+
+export const loadTemplateParameterDefsOnce = (): Promise<TreeTemplateParameterDefRow[]> => {
+  if (!templateParameterDefsPromise) {
+    templateParameterDefsPromise = findTemplateParameterDefs()
+      .then(r => r.rows ?? [])
+      .catch(err => {
+        templateParameterDefsPromise = null;
+        return Promise.reject(err);
+      });
+  }
+  return templateParameterDefsPromise;
+};
--- a/modeler/src/views/decision/designer/trees-card.vue
+++ b/modeler/src/views/decision/designer/trees-card.vue
@@ -18,7 +18,7 @@
      </div>
      <a-list :data-source="behaviorTrees || []" size="small" style="min-height: 25vh">
        <template #renderItem="{ item }">
-          <a-list-item :class="{ 'ks-item-selected': selectedId === item.id }" @click="()=> handleSelect(item)">
+          <a-list-item :class="{ 'ks-item-selected': platformId === item.id || selectedId === item.id }" @click="()=> handleSelect(item)">
            <a-flex>
              <a-tooltip placement="bottom">
                <template #title>
@@ -58,7 +58,7 @@

 <script lang="ts">
 import type { PropType } from 'vue';
-import { defineComponent, ref, watch } from 'vue';
+import { defineComponent, onMounted, ref, watch } from 'vue';
 import { CheckOutlined, CopyOutlined, DeleteOutlined, EditFilled, PlusOutlined } from '@ant-design/icons-vue';
 import type { BehaviorTree, BehaviorTreeRequest } from './tree';
 import { copyTree, deleteOneTreeById, findTreesByQuery } from './api';
@@ -66,7 +66,8 @@ import { substring } from '@/utils/strings';

 export default defineComponent({
  props: {
-    scenarioId:Number as PropType<number>,
+    scenarioId: Number as PropType<number | undefined>,
+    platformId: Number as PropType<number | null>,
  },
  emits: ['select-tree', 'create-tree'],
  components: {
@@ -76,38 +77,48 @@ export default defineComponent({
    DeleteOutlined,
    EditFilled,
  },
-  setup(_props, { emit }) {
+  setup(props, { emit }) {
    const behaviorTrees = ref<BehaviorTree[]>([]);
    const behaviorTreeQuery = ref<Partial<BehaviorTreeRequest>>({
      name: null,
      pageNum: 1,
      pageSize: 8,
-      scenarioId: _props.scenarioId,
+      scenarioId: props.scenarioId,
    });
    const activeKey = ref<number>(1);
    const totalTress = ref<number>(0);
    const selectedId = ref<number | null>(null);

    watch(
-      () => _props.scenarioId, 
+      () => props.scenarioId, 
      () => {
-        selectedId.value = null;
-        if (!_props.scenarioId) {
+        if (!props.scenarioId) {
          behaviorTrees.value = [];
          totalTress.value = 0;
          return;
        }
        behaviorTreeQuery.value.pageNum = 1;
-        behaviorTreeQuery.value.scenarioId = _props.scenarioId;
-        loadTress();
+        behaviorTreeQuery.value.scenarioId = props.scenarioId;
+        loadTress(() => {
+          if (props.platformId) {
+            return;
+          }
+          // 默认选中第一个行为树
+          const selectedTree = behaviorTrees.value[0];
+          if (selectedTree) {
+            selectedId.value = selectedTree.id;
+            emit('select-tree', selectedTree);
+          }
+        });
      }, 
      { immediate: true }
    );

-    function loadTress(){
+    function loadTress(cb?: () => void) {
      findTreesByQuery(behaviorTreeQuery.value).then(r => {
        behaviorTrees.value = r.rows;
        totalTress.value = r.total ?? 0;
+        if (cb) cb();
      });
    };

--- a/modeler/src/views/decision/graph/element.ts
+++ b/modeler/src/views/decision/graph/element.ts
@@ -100,8 +100,8 @@ export interface ModelElement extends GraphBaseElement {
 export interface GraphEdgeElement {
  id: number;
  key: NullableString;
-  source: NullableString;
-  target: NullableString;
+  source: NullableString | Record<string, any>;
+  target: NullableString | Record<string, any>;
  attrs: Record<any, any>;
  router: Record<any, any>;
  connector: any;
--- a/modeler/src/views/decision/graph/hooks.ts
+++ b/modeler/src/views/decision/graph/hooks.ts
@@ -58,14 +58,12 @@ export const useGraphCanvas = (readonly: boolean = false): UseGraphCanvas => {
    if (graph.value) {
      clearGraph();

-      // 等待 Vue 完成卸载
-      nextTick(() => {
-        graph.value?.dispose();     // 销毁 Graph 实例
-        graph.value = null;
-        if (container.value) {
-          container.value.innerHTML = ''; // 清空容器内容
-        }
-      });
+      // 同步销毁 Graph 实例，避免异步导致的竞态条件
+      graph.value.dispose();
+      graph.value = null;
+      if (container.value) {
+        container.value.innerHTML = ''; // 清空容器内容
+      }
    } else if (container.value) {
      container.value.innerHTML = '';
    }
@@ -222,7 +220,8 @@ export const useGraphCanvas = (readonly: boolean = false): UseGraphCanvas => {

    // 监听节点选中事件
    graph.value.on('node:selected', ({ node }) => {
-      console.info('node select', node);
+      console.info('node select', node,node.getData());
+      
      emitGraphEvent('node:selected', node);
    });