排查优化模型加载中断的问题，怀疑还是indexDB问题，再次尝试修复

src/app/babylon/controller/status/main-status.ts

@@ -1,10 +1,12 @@
 
+import { BabylonTool } from "../../tool/babylon-tool";
 import { DataManager } from "../data-manager";
 import { BuildingStatus } from "./building-status";
 import { StatusBase, StatusManager } from "./status-manager";
 
 //主状态 
 export class MainStatus extends StatusBase {
+  indexDBInit: boolean;//是否初始化完成IndexDB
   //初始化
   onCreate() {
     super.onCreate();
@@ -17,12 +19,33 @@ export class MainStatus extends StatusBase {
     if (DataManager.institutionData == null) {
       //新建单位信息、开启上传建筑模型的界面
     } else {
-      //已有信息，进入建筑物模式
+      let instance = this;
-      StatusManager.enterStatus<BuildingStatus>(BuildingStatus);
+
+      if (!instance.indexDBInit) {
+        BabylonTool.importMeshSync(null, "mesh/indexdb/gd/", "GD.gltf", undefined, "GD_indexDB", (meshes) => {
+          meshes[0].dispose();
+          instance.indexDBInit = true;
+          console.log("IndexDB init success");
+          instance.onIndexDBInit();
+        })
+      }
+      else {
+        instance.onIndexDBInit();
+      }
     }
   }
   //退出状态
   onExit() {
     super.onExit();
   }
+
+
+  /**
+   * 为了避免多个模型同时加载、导致indexDB创建冲突，所以先加载一个，保证indexDB创建完成
+   * 通过加载一个模型，初始化完成了indexDB数据库
+   */
+  onIndexDBInit() {
+    //已有信息，进入建筑物模式
+    StatusManager.enterStatus<BuildingStatus>(BuildingStatus);
+  }
 }

src/app/babylon/tool/babylon-tool.ts

@@ -130,7 +130,7 @@ export class BabylonTool {
       path = ObjectsService.getFullPath(path); //根据环境，动态改变桶名
     }
 
-    // console.log("异步加载模型" + path + sceneFilename);
+    console.log("异步加载模型" + path + sceneFilename);
     let modelPath = path + sceneFilename;
     LoadTool.add(modelPath, tag);
 

src/app/babylon/view/facility-window/facility-window.ts

@@ -14,6 +14,7 @@ import {
     Image,
     Rectangle,
 } from '@babylonjs/gui';
+import { config } from 'rxjs';
 import { PlanComponent } from 'src/app/pages/plan/plan.component';
 import { ConfigManager } from '../../controller/config-manager';
 import { DataManager, ModelChangeType } from '../../controller/data-manager';
@@ -61,7 +62,7 @@ export class FacilityWindow extends UIBase {
     static readonly c_createIcon_width = 40;
 
     createIndex = 0; //临时的创建序号
-    indexDBInit: boolean = false; //是否完成了indexDB的初始化
+    // indexDBInit: boolean = false; //是否完成了indexDB的初始化
 
     onInit() {
         FacilityWindow.instance = this;
@@ -167,17 +168,18 @@ export class FacilityWindow extends UIBase {
 
         let instance = this;
         //为了避免多个模型同时加载、导致indexDB创建冲突，所以先加载一个，保证indexDB创建完成
-        if (!instance.indexDBInit) {
+        // if (!instance.indexDBInit) {
-            BabylonTool.importMeshSync(null, "mesh/indexdb/gd/", "GD.gltf", undefined, "GD_indexDB", (meshes) => {
+        //     BabylonTool.importMeshSync(null, "mesh/indexdb/gd/", "GD.gltf", undefined, "GD_indexDB", (meshes) => {
-                meshes[0].dispose();
+        //         meshes[0].dispose();
-                instance.indexDBInit = true;
+        //         instance.indexDBInit = true;
-                instance.updateFacilitieUIItems(facilities);
+        //         instance.updateFacilitieUIItems(facilities);
-            })
+        //         console.log("加载完IndexDB");
-        }
+        //     })
-        else {
+        // }
+        // else {
+        // instance.updateFacilitieUIItems(facilities);
+        // }
         instance.updateFacilitieUIItems(facilities);
-        }
-
         instance.three = PlanComponent.instance
 
     }