React配置子路由的实现
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2022-03-11 14:06:55
1、组件first.js下有子组件:import admin from './admin'import formcom from './formcom'import one from './one'i...
1、组件first.js下有子组件:
import admin from './admin' import formcom from './formcom' import one from './one' import buttoncom from './buttoncom' import menucom from './menucom' import stepscom from './stepscom' import tabscom from './tabscom' import tablecom from './tablecom' import messagecom from './messagecom' import notificationcom from './notificationcom' import progresscom from './progresscom' import spincom from './spincom' import badgecom from './badgecom'
first.js完整代码如下:
import react from 'react' import { layout, menu } from 'antd'; import { useroutlined, laptopoutlined, notificationoutlined } from '@ant-design/icons'; import { hashrouter, route, link } from 'react-router-dom' import admin from './admin' import formcom from './formcom' import one from './one' import buttoncom from './buttoncom' import menucom from './menucom' import stepscom from './stepscom' import tabscom from './tabscom' import tablecom from './tablecom' import messagecom from './messagecom' import notificationcom from './notificationcom' import progresscom from './progresscom' import spincom from './spincom' import badgecom from './badgecom' const { submenu } = menu; const { header, content, sider } = layout; export default class first extends react.component { constructor() { super(); } //只展开当前父级菜单 begin rootsubmenukeys = ['sub1', 'sub2', 'sub3']; state = { openkeys: ['sub1'], }; onopenchange = openkeys => { const latestopenkey = openkeys.find(key => this.state.openkeys.indexof(key) === -1); if (this.rootsubmenukeys.indexof(latestopenkey) === -1) { this.setstate({ openkeys }); } else { this.setstate({ openkeys: latestopenkey ? [latestopenkey] : [], }); } }; //只展开当前父级菜单 end render() { return (<div> <layout> <hashrouter> <header classname="header" style={{ position: 'fixed', zindex: 1, width: '100%', paddingleft: '20px'}}> <div classname="logo" style={{fontsize: '32px', color: '#ffffff', fontweight: 'bold'}}>react app</div> <menu theme="dark" mode="horizontal" defaultselectedkeys={['1']}> {/*<menu.item key="1">nav 1</menu.item> <menu.item key="2">nav 2</menu.item> <menu.item key="3">nav 3</menu.item>*/} </menu> </header> <layout> <sider width={200} classname="site-layout-background" style={{ overflow: 'auto', height: '100vh', position: 'fixed', left: 0, }}> <menu theme="dark" mode="inline" defaultselectedkeys={['2']} defaultopenkeys={['sub1']} style={{ height: '100%', paddingtop: '60px', borderright: 0 }} onopenchange={this.onopenchange} openkeys={this.state.openkeys} > <submenu key="sub1" icon={<useroutlined />} title="subnav 1"> <menu.item key="1"><link to={`${this.props.match.path}/admin`}>admin</link></menu.item> <menu.item key="2"><link to={`${this.props.match.path}/form`}>form</link></menu.item> <menu.item key="3"><link to={`${this.props.match.path}/one`}>one</link></menu.item> <menu.item key="4"><link to={`${this.props.match.path}/menu`}>menu</link></menu.item> </submenu> <submenu key="sub2" icon={<laptopoutlined />} title="subnav 2"> <menu.item key="5"><link to={`${this.props.match.path}/step`}>step</link></menu.item> <menu.item key="6"><link to={`${this.props.match.path}/tabs`}>tabs</link></menu.item> <menu.item key="7"><link to={`${this.props.match.path}/table`}>table</link></menu.item> <menu.item key="8"><link to={`${this.props.match.path}/message`}>message</link></menu.item> </submenu> <submenu key="sub3" icon={<notificationoutlined />} title="subnav 3"> <menu.item key="9"><link to={`${this.props.match.path}/notification`}>notification</link></menu.item> <menu.item key="10"><link to={`${this.props.match.path}/progress`}>progresscom</link></menu.item> <menu.item key="11"><link to={`${this.props.match.path}/spin`}>spin</link></menu.item> <menu.item key="12"><link to={`${this.props.match.path}/badge`}>badge</link></menu.item> <menu.item key="13"><link to={`${this.props.match.path}/button`}>button</link></menu.item> </submenu> </menu> </sider> <layout style={{ padding: '84px 20px 20px', marginleft: 200}}> <content classname="site-layout-background" style={{ padding: 24, margin: 0 }} > <route path={`${this.props.match.path}/admin`} exact component={admin}></route> <route path={`${this.props.match.path}/form`} component={formcom}></route> <route path={`${this.props.match.path}/one`} component={one}></route> <route path={`${this.props.match.path}/menu`} component={menucom}></route> <route path={`${this.props.match.path}/step`} component={stepscom}></route> <route path={`${this.props.match.path}/tabs`} component={tabscom}></route> <route path={`${this.props.match.path}/table`} component={tablecom}></route> <route path={`${this.props.match.path}/message`} component={messagecom}></route> <route path={`${this.props.match.path}/notification`} component={notificationcom}></route> <route path={`${this.props.match.path}/progress`} component={progresscom}></route> <route path={`${this.props.match.path}/spin`} component={spincom}></route> <route path={`${this.props.match.path}/badge`} component={badgecom}></route> <route path={`${this.props.match.path}/button`} component={buttoncom}></route> </content> </layout> </layout> </hashrouter> </layout> </div>) } }
其中
${this.props.match.path}
是关键。
2、假设还有一个登录组件login.js,代码如下:
import react from 'react' import { button } from 'antd'; export default class login extends react.component { constructor() { super(); } redirecthandle = () => { console.log("aaa"); this.props.history.push("/home"); } render() { return (<button type="primary" onclick={()=>this.redirecthandle()}>primary button</button>) } }
假设react项目用的是react脚手架搭建,则在src目录下的app.js文件中设置路由:
render() { return (<hashrouter> <switch> <route exact={true} path="/login" component={login} /> <route path="/home" component={first} /> <redirect to='/login' /> {/*/login和/home之外的路由直接跳转到/login*/} </switch> </hashrouter>) }
app.js完整代码如下:
import react from 'react'; import { notification } from 'antd' import { hashrouter, route, switch, redirect } from 'react-router-dom'; import first from './first'; import login from './login'; import './app.css'; class app extends react.component { constructor() { super(); this.opennotificationwithicon = type => { notification[type]({ message: 'notification title', description: 'this is the content of the notification. this is the content of the notification. this is the content of the notification.', }); } } clickhandle() { console.log("clicked!!!"); } render() { return (<hashrouter> <switch> <route exact={true} path="/login" component={login} /> {/**exact 防止混路由混合 如:输入127.xx.xx.xx/home 中有/login页面*/} <route path="/home" component={first} /> <redirect to='/login' /> </switch> </hashrouter>) } } export default app;
项目目录结构如下:
项目预览效果如下:
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