mk_framework/assets/script/before/view/uiItem/SelectSceneItem.ts

// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html

const { ccclass, property } = cc._decorator;

@ccclass
export default class SelectSceneItem extends cc.Component {

    @property(cc.Sprite)
    spr_selectScene: cc.Sprite = null;

    public sceneIndex: number = null;

    // LIFE-CYCLE CALLBACKS:

    // onLoad () {}

    start() {

    }

    // update (dt) {}
    init(sceneIndex: number = null) {
        this.sceneIndex = sceneIndex;
        if (sceneIndex != null) {
            mk.loader.load(`selectScene/${this.sceneIndex}`, cc.SpriteFrame).then((spriteFrame) => {
                this.spr_selectScene = spriteFrame;
            })
        }
        else {
            mk.loader.load(`selectScene/${this.sceneIndex}`, cc.SpriteFrame).then((spriteFrame) => {
                this.spr_selectScene = spriteFrame;
            })
        }
    }
}