Cocos-克隆已有节点

import { _decorator, Component, Node,instantiate, director } from 'cc';
const { ccclass, property } = _decorator; 

@ccclass("test")
export class test extends Component {

    @property({type:Node})
    private target: Node = null;

    @property({type:Node})
    private parent_node: Node = null;

    start(){
        let scene = director.getScene();
        let node = instantiate(this.target);

        node.parent=this.parent_node;  // 将克隆节点加到场景中
        node.setPosition(100,100);     //设置节点位置
    }
}