react实现移动端二级路由嵌套详解

import { default as React } from 'react';
import ReactDOM from 'react-dom/client';
import { HashRouter, Route, Switch } from 'react-router-dom';
import App from './App';
import Detail from './Component/Detail';
import './index.css';
import reportWebVitals from './reportWebVitals';
const root = ReactDOM.createRoot(document.getElementById('root'));
export default function Routers() {
  return (
    <div>
      <HashRouter>
        <Switch>
          <Route path='/' component={App}></Route>
          <Route path='/detil' component={Detail}></Route>
        </Switch>
      </HashRouter>
    </div>
  )
}
root.render(
  <Routers />
);
reportWebVitals();

import React, { Component } from 'react';
import { NavLink, Route } from 'react-router-dom';
import './App.css';
import Article from './Component/Article';
import Cart from './Component/Cart';
import Detail from './Component/Detail';
import Home from './Component/Home';
import My from './Component/My';
export default class App extends Component {
  render() {
    return (
      <div className="box">
      {/* 定义二级路由的地址 */}
      <Route path="/home" component={Home}></Route>
      <Route path="/article" component={Article}></Route>
      <Route path="/cart" component={Cart}></Route>
      <Route path="/my" component={My}></Route>
      <Route path="/detail/:id" component={Detail}></Route>
      {/* 底部导航栏 */}
      <nav>
        <NavLink to="/home" activeClassName="act">
          <div className='title'>首页</div>
        </NavLink>
        <NavLink to="/article" activeClassName="act">
          <div className='title'>文章</div>
        </NavLink>
        <NavLink to="/cart" activeClassName="act">
          <div className='title'>购物车</div>
        </NavLink>
        <NavLink to="/my" activeClassName="act">
          <div className='title'>我的</div>
        </NavLink>
      </nav>
    </div>
    )
  }
}

import axios from 'axios';
import React, { Component } from 'react';
export default class Article extends Component {
    constructor() {
        super();
        this.state = {
            list:[],
        }
        this.getList();
    }
    goDetail = (id)=>{
        this.props.history.push("/detail/"+id);
    }
    //定义获取文章列表的方法
    getList = async ()=>{
        let {data} = await axios.get("https://api.it120.cc/small4/cms/news/list");
        console.log(data);
        this.setState({
            list:data.data,
        })
    }
  render() {
        let {list} = this.state;
        return (
            <div className='article'>
                <div className="list">
                    {
                        list.map((item, index) => {
                            return (
                                <div className="item" key={index}>
                                    <img src={item.pic} onClick={()=>this.goDetail(item.id)}/>
                                    <div className="title">{item.title}</div>
                                    <button className='del'>删除</button>
                                </div>
                            )
                        })
                    }
                </div>
            </div>
        )
  }
}

import axios from "axios";
import React, { Component } from 'react';
import NavBar from "./NavBar";
export default class Detail extends Component {
    constructor(props){
        super(props)
        this.state = {
            info:{},
        }
        this.getInfo();
    }
    getInfo = async ()=>{
        let {id} = this.props.match.params;
        console.log(id);
        let {data} = await axios.get("https://api.it120.cc/small4/cms/news/detail?id="+id);
        console.log(data);
        this.setState({
            info:data.data,
        })
    }
  render() {
    let {info} = this.state;
    return (
        <div style={{padding:"10px"}}>
        <NavBar/>
        <h2>{info.title}</h2>
        <img src={info.pic} style={{width:"100%"}}/>
        <div className="info" dangerouslySetInnerHTML={{__html:info.content}}>
        </div>
    </div>
    )
  }
}

import React, { Component } from 'react';
import { withRouter } from 'react-router-dom';
class NavBar extends Component {
    constructor(props){
        super(props)
        console.log(this.props);
    }
  render() {
    return (
      <div className='NavBar'>
        <span onClick={()=>this.props.history.goBack()}>返回</span>
      </div>
    )
  }
}
export default  withRouter(NavBar)