分帧创建预制体 for (let i = 0; i < 10; i++) { this.scheduleOnce(() => { let node = cc.instantiate(this.handBookItem) node.parent = this.contentArr[this.mapIndex]; node.getComponent("handBookItem").iniNode(this.mapIndex, i); this.itemArr.push(node); }, i * 0.02); };