内容摘要：复制importReact,{Component}fromreact import{PropTypes}fromprop-types exportdefau

复制import React,手写 {Component} fromreact import {PropTypes} fromprop-types export default class Provider extends Component {      getChildContext() {          return {store: this.props.store}      }      constructor() {          super()          this.state = {}      }      render() {          return this.props.children      }  }  Provider.childContextTypes = {      store: PropTypes.object }  1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.