import React ,{Component} from 'react'; import { TabBar } from 'antd-mobile'; import './TabBarBottom.css' class TabBarBottom extends Component { constructor(props) { super(props); this.state = { selectedTab: 'index', hidden: false, fullScreen: true }; this.handleChange=this.handleChange.bind(this) } //要保留,勿动 renderContent(page){} handleChange(page){ this.props.changePage(page) } render() { //这里渲染一次 const handleChange=this.handleChange return (