[英]Why isn't my react-router working? URL changes on click but no display on DOM
我有多個組件要嘗試路由,但是在這里我只展示一些組件,所以我不會讓您不知所措。 我認為我已正確安裝並導入了所有內容。
這是控制所有路線的App.js,組件“ Hello”用於測試,沒有涉及道具或其他任何東西,並且它仍未在DOM中顯示。 這與不傳遞道具有什么關系,因為在使用路由器分離我的組件之前,我只是做一個例子:這些不是通過路由器自動傳遞的嗎? 我是使用React的初學者,所以任何幫助都會很棒,謝謝!
import React, { Component } from 'react'
import Clients from './components/Clients'
import Lessons from './components/Lessons'
import AddClient from './components/AddClient'
import NavBar from './components/NavBar'
import Hello from './components/Hello'
import AddLesson from './components/AddLesson'
import CalculateIncome from './components/CalculateIncome'
import {Switch, BrowserRouter, Route} from 'react-router-dom'
class App extends Component {
state = {
clients : [],
lessons : [],
}
deleteClient = (id) => {
let clients = this.state.clients.filter(client => {
return client.id !== id
})
this.setState({
clients: clients
})
}
addClient = (newClient) => {
newClient.id = Math.random();
let clients = [...this.state.clients, newClient];
clients.sort((a, b) => a.name.localeCompare(b.name))
this.setState({
clients: clients,
})
}
addLesson = (newLesson) => {
newLesson.id = Math.random();
newLesson.date = Date();
let lessons = [...this.state.lessons, newLesson];
this.setState({
lessons: lessons,
})
console.log(this.state.lessons)
}
render() {
return (
<BrowserRouter>
<div className="App">
<NavBar/>
<Switch>
<Route exact path='/' Component={AddLesson}/>
<CalculateIncome lessons={this.state.lessons} clients={this.state.clients}/>
<Route path='/addClient' Component={AddClient}/>
<Route path='/clients' Component={Clients}/>
<Route path='/lessons' Component={Lessons}/>
<Route path='/hello' Component={Hello}/>
</Switch>
</div>
</BrowserRouter>
);
}
}
export default App;
這是我的navbar.js
import React from 'react'
import {NavLink, withRouter} from 'react-router-dom'
const NavBar = (props) => {
return (
<nav>
<div>
<h1 className="header text-center my-5" >Welcome to the Tennis App</h1>
<div className="container text-center">
<NavLink className="mx-5" exact to="/">Add Lesson</NavLink>
<NavLink className="mx-5" to='/addClient'>Add a New Client</NavLink>
<NavLink className="mx-5" to="/clients">Clients</NavLink>
<NavLink className="mx-5" to="/lessons">Lessons</NavLink>
<NavLink className="mx-5" to="/hello">Hello</NavLink>
</div>
</div>
</nav>
)
}
export default withRouter(NavBar)
這是hello.js,它只是一個虛擬測試組件
import React from 'react'
const Hello = () => {
return(
<div className="text-center">Hello there</div>
)
}
export default Hello
我意識到我必須使用render = {Home}而不是Component = {Home}
這是經過2天廣泛研究后發現的答案的鏈接...
https://medium.com/alturasoluciones/how-to-pass-props-to-routes-components-29f5443eee94
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