car/assets/script/fw/base_ui.ts

import { _decorator, Component, Node } from 'cc';
import { uiManager } from '../manager/uiManager';
const { ccclass, property } = _decorator;

@ccclass('base_ui')
export class base_ui extends Component {
     @property(Node) btn_close:Node = null
     protected start(): void {
          this.onButtonListen(this.btn_close, ()=>{
               this.close()
          })
          this.init()
     }
     protected onButtonListen(btn:Node,call_back){
          uiManager.Instance().onButtonListen(btn,call_back)
     }

     protected close(){
          this.node.removeFromParent()
     }

     protected init() {}
}