airpg-front/assets/scripts/ParticalCode.ts

import { _decorator, Component, Node, ParticleSystem2D } from "cc"
const { ccclass, property } = _decorator

@ccclass("ParticalCode")
export class ParticalCode extends Component {
    @property({ type: ParticleSystem2D })
    public myParticle: ParticleSystem2D | null = null

    start() {
        console.log(this.myParticle)
    }

    update(deltaTime: number) {}
}