react做购物车的功能【代码】

父组件import React, { Component } from react import Lists from ../components/Listsexport default class Cart extends Component {// 数据 状态state = {carts: [{ id: 1, name: 苹果11, price: 10, num: 1 },{ id: 2, name: 小米10, price: 20, num: 1 },{ id: 3, name: 华为meta40, price: 30, num: 1 }]}render() {return (<div>{/* 功能组件 */}<Lists carts={this.state.carts} handlerCartNum={this.handlerCartNum.bin...