CocosGameFrameWork/assets/Script/Game/MyApp.ts

import { _decorator, Component } from 'cc';
import { resMgr } from '../Frames/ResourcesMgr';
import { dataMgr } from '../Frames/DataManager';
import { LoadingUI } from './UI/LoadingUI';
const { ccclass, property } = _decorator;

@ccclass('MyApp')
export class MyApp extends Component {
    protected async start(){
        // await UIMgr.openUI("LoadingUI",UIType.PAGE);
        // const loadingUI = UIMgr.getUI(LoadingUI);
        const loadingUI = this.node.getChildByName("LoadingUI").getComponent(LoadingUI)
        await dataMgr.loadDataDir("Data");
        await resMgr.loadAllRes("Res", (finish, total)=>{
            if(loadingUI){
                loadingUI.updateProgress(finish / total);
                loadingUI.updateWhichRes(1);
            }
        });
        await resMgr.loadAllRes("UI", (finish, total)=>{
            if(loadingUI){
                loadingUI.updateProgress(finish / total);
                loadingUI.updateWhichRes(2);
            }
        });
        
        this.node.getChildByName("LoadingUI").active = false;
        // UIMgr.closeUI("LoadingUI");
        // UIMgr.openUI("Start",UIType.PAGE);
    }
}