React+Ant Design 4.4.1实现左侧二级导航(可配置路由、所有路由层级可统一、可根据路由高亮菜单项、刷新时可自动展开定位到当前路由)


package.json:

{
  "name": "antd-demo", "version": "0.1.0", "private": true, "dependencies": { "@ant-design/icons": "^4.2.1", "@babel/core": "7.9.0", "@svgr/webpack": "4.3.3", "@testing-library/jest-dom": "^4.2.4", "@testing-library/react": "^9.3.2", "@testing-library/user-event": "^7.1.2", "@typescript-eslint/eslint-plugin": "^2.10.0", "@typescript-eslint/parser": "^2.10.0", "antd": "^4.4.1", "axios": "^0.19.2", "babel-eslint": "10.1.0", "babel-jest": "^24.9.0", "babel-loader": "8.1.0", "babel-plugin-named-asset-import": "^0.3.6", "babel-preset-react-app": "^9.1.2", "bootstrap": "^3.3.7", "bootstrap-table": "^1.11.1", "bootstrapvalidator": "^0.5.4", "camelcase": "^5.3.1", "case-sensitive-paths-webpack-plugin": "2.3.0", "css-loader": "3.4.2", "dotenv": "8.2.0", "dotenv-expand": "5.1.0", "eslint": "^6.6.0", "eslint-config-react-app": "^5.2.1", "eslint-loader": "3.0.3", "eslint-plugin-flowtype": "4.6.0", "eslint-plugin-import": "2.20.1", "eslint-plugin-jsx-a11y": "6.2.3", "eslint-plugin-react": "7.19.0", "eslint-plugin-react-hooks": "^1.6.1", "file-loader": "4.3.0", "fs-extra": "^8.1.0", "html-webpack-plugin": "4.0.0-beta.11", "identity-obj-proxy": "3.0.0", "jest": "24.9.0", "jest-environment-jsdom-fourteen": "1.0.1", "jest-resolve": "24.9.0", "jest-watch-typeahead": "0.4.2", "jquery": "^3.3.1", "mini-css-extract-plugin": "0.9.0", "optimize-css-assets-webpack-plugin": "5.0.3", "pnp-webpack-plugin": "1.6.4", "postcss-flexbugs-fixes": "4.1.0", "postcss-loader": "3.0.0", "postcss-normalize": "8.0.1", "postcss-preset-env": "6.7.0", "postcss-safe-parser": "4.0.1", "react": "^16.13.1", "react-app-polyfill": "^1.0.6", "react-dev-utils": "^10.2.1", "react-dom": "^16.13.1", "react-router": "^4.2.0", "react-router-dom": "^4.2.0", "react-transition-group": "^4.4.1", "redux": "^4.0.5", "resolve": "1.15.0", "resolve-url-loader": "3.1.1", "sass-loader": "8.0.2", "semver": "6.3.0", "style-loader": "0.23.1", "terser-webpack-plugin": "2.3.5", "ts-pnp": "1.1.6", "url-loader": "2.3.0", "webpack": "4.42.0", "webpack-dev-server": "3.10.3", "webpack-manifest-plugin": "2.2.0", "workbox-webpack-plugin": "4.3.1", "ztree": "^3.5.24" }, "scripts": { "start": "node scripts/start.js", "build": "node scripts/build.js", "test": "node scripts/test.js" }, "eslintConfig": { "extends": "react-app" }, "proxy": "http://localhost:9999", "homepage": ".", "browserslist": { "production": [ ">0.2%", "not dead", "not op_mini all" ], "development": [ "last 1 chrome version", "last 1 firefox version", "last 1 safari version" ] }, "jest": { "roots": [ "<rootDir>/src" ], "collectCoverageFrom": [ "src/**/*.{js,jsx,ts,tsx}", "!src/**/*.d.ts" ], "setupFiles": [ "react-app-polyfill/jsdom" ], "setupFilesAfterEnv": [ "<rootDir>/src/setupTests.js" ], "testMatch": [ "<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}", "<rootDir>/src/**/*.{spec,test}.{js,jsx,ts,tsx}" ], "testEnvironment": "jest-environment-jsdom-fourteen", "transform": { "^.+\\.(js|jsx|ts|tsx)$": "<rootDir>/node_modules/babel-jest", "^.+\\.css$": "<rootDir>/config/jest/cssTransform.js", "^(?!.*\\.(js|jsx|ts|tsx|css|json)$)": "<rootDir>/config/jest/fileTransform.js" }, "transformIgnorePatterns": [ "[/\\\\]node_modules[/\\\\].+\\.(js|jsx|ts|tsx)$", "^.+\\.module\\.(css|sass|scss)$" ], "modulePaths": [], "moduleNameMapper": { "^react-native$": "react-native-web", "^.+\\.module\\.(css|sass|scss)$": "identity-obj-proxy" }, "moduleFileExtensions": [ "web.js", "js", "web.ts", "ts", "web.tsx", "tsx", "json", "web.jsx", "jsx", "node" ], "watchPlugins": [ "jest-watch-typeahead/filename", "jest-watch-typeahead/testname" ] }, "babel": { "presets": [ "react-app" ] } } 

src/route-config/index.js:

import { SnippetsFilled, PieChartFilled, ApiFilled, PieChartOutlined } from '@ant-design/icons'; const menuList = [ { title: 'subnav 1', // 菜单标题名称 key: '/admin', // 对应的path icon: SnippetsFilled // 图标名称 }, { title: 'subnav 2', key: '/products', icon: PieChartFilled, children: [ // 子菜单列表 { title: 'form', key: '/form', icon: 'bars' }, { title: 'menu', key: '/menu', icon: 'tool' }, ] }, { title: 'subnav 3', key: '/charts', icon: ApiFilled, children: [ { title: 'step', key: '/step', icon: 'bar-chart' }, { title: 'tabs', key: '/tabs', icon: 'line-chart' }, { title: 'table', key: '/table', icon: 'pie-chart' }, { title: 'message', key: '/message', icon: 'pie-chart' } ] }, { title: 'subnav 4', key: '/notification', icon: PieChartOutlined, children: [ { title: 'progress', key: '/progress', icon: 'bar-chart' }, { title: 'spin', key: '/spin', icon: 'line-chart' }, { title: 'badge', key: '/badge', icon: 'pie-chart' }, { title: 'button', key: '/button', icon: 'pie-chart' }, { title: 'modal', key: '/modal', icon: 'pie-chart' } ] } ] export default menuList

src/App.js:

import React from 'react'; import { notification } from 'antd' import { HashRouter, Route, Switch, Redirect } from 'react-router-dom' import Login from './Login'; import First from './First'; 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 path="/login" component={Login} /> <Route path="/" component={First} /> </Switch> </HashRouter>) } } export default App;

src/First.js:

import React from 'react' import { Layout, Menu, Row, Col, Dropdown } from 'antd'; import { DownOutlined } from '@ant-design/icons'; import { Route, Link, Redirect, withRouter, Switch } from 'react-router-dom' import FormCom from './FormCom' 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' import Admin from './Admin' import Modal from './Modal' import menuList from './route-config/index' const { SubMenu } = Menu; const { Header, Content, Sider } = Layout; class First extends React.Component { state = { rootSubmenuKeys: [], //只展开当前父级菜单 openKeys: [], // 默认展开的菜单项 collapsed: false }; // 控制菜单左右收缩 onCollapse = collapsed => { this.setState({ collapsed }); }; // 只展开当前父级菜单 onOpenChange = openKeys => { const latestOpenKey = openKeys.find(key => this.state.openKeys.indexOf(key) === -1); if (this.state.rootSubmenuKeys.indexOf(latestOpenKey) === -1) { this.setState({ openKeys }); } else { this.setState({ openKeys: latestOpenKey ? [latestOpenKey] : [], }); } }; // 获取左侧菜单 getMenuNodes = menuList => { const path = this.props.location.pathname return menuList.map(item => { if (!item.children) { return ( <Menu.Item key={item.key} icon={<item.icon />}> <Link to={item.key}> <span>{item.title}</span> </Link> </Menu.Item> ) } else { this.state.rootSubmenuKeys.push(item.key); // 查找一个与当前请求路径匹配的子Item const cItem = item.children.find(cItem => path.indexOf(cItem.key) === 0) // 如果存在, 说明当前item的子列表需要打开 if (cItem) { this.state.openKeys = [item.key]; } return ( <SubMenu key={item.key} icon={<item.icon />} title={item.title} > {this.getMenuNodes(item.children)} </SubMenu> ) } }) } componentWillMount() { this.menuNodes = this.getMenuNodes(menuList) } render() { if (Number(localStorage['token']) === 0) { // 自动跳转到登陆(在render()中) return <Redirect to='/login' />; } const loginOut = (e) => { e.preventDefault(); localStorage['token'] = 0; this.props.history.replace("/login"); } const menu = ( <Menu> <Menu.Item> <a target="_blank" rel="noopener noreferrer" href="http://www.alipay.com/" onClick={loginOut}> 退出 </a> </Menu.Item> </Menu> ); return ( <Layout style={{ height: '100%' }}> <Header className="header" style={{ position: 'fixed', zIndex: 1, width: '100%', paddingLeft: '20px' }}> <Row> <Col span={10}><div className="logo" style={{ color: "#ffffff", fontSize: '32px', fontWeight: 'bold' }}>React App</div></Col> <Col span={2} offset={12} style={{ textAlign: 'right' }}> <Dropdown overlay={menu} trigger={['click']}> <a className="ant-dropdown-link" onClick={e => e.preventDefault()}> admin <DownOutlined /> </a> </Dropdown></Col> </Row> </Header> <Layout style={{ height: '100%' }}> {/*collapsible、collapsed、onCollapse:控制整个菜单的左右收缩*/} <Sider width={200} style={{ background: '#000000' }} className="site-layout-background" collapsible collapsed={this.state.collapsed} onCollapse={this.onCollapse}> {/*selectedKeys:控制默认高亮菜单项,defaultOpenKeys、openKeys、onOpenChange:控制菜单展开*/} <Menu theme="dark" mode="inline" selectedKeys={this.props.location.pathname} defaultOpenKeys={this.state.openKeys} openKeys={this.state.openKeys} onOpenChange={this.onOpenChange} style={{ height: '100%', borderRight: 0, paddingTop: '60px' }} > { this.menuNodes } </Menu> </Sider> <Layout className="site-layout" style={{ paddingTop: 64 }}> <Content className="site-layout-background" style={{ padding: 15, margin: 0, height: '100%', overflow: 'auto' }} > <Switch> <Redirect from='/' exact to='/admin' /> <Route path="/admin" component={Admin}></Route> <Route path="/form" component={FormCom}></Route> <Route path="/menu" component={MenuCom}></Route> <Route path="/step" component={StepsCom}></Route> <Route path="/tabs" component={TabsCom}></Route> <Route path="/table" component={TableCom}></Route> <Route path="/message" component={MessageCom}></Route> <Route path="/notification" component={NotificationCom}></Route> <Route path="/progress" component={ProgressCom}></Route> <Route path="/spin" component={SpinCom}></Route> <Route path="/badge" component={BadgeCom}></Route> <Route path="/button" component={ButtonCom}></Route> <Route path="/modal" component={Modal}></Route> <Redirect to="/admin" /> </Switch> </Content> </Layout> </Layout> </Layout> ) } } export default withRouter(First)


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