我正在学习React,并在遵循一些教程的同时,我想回过头来学习如何使它变干,因此给出以下app.js:
app.js
import React from 'react'
import './App.css'
import { BrowserRouter as Router, Switch, Route } from 'react-router-dom'
// Components
import Navbar from './components/Navbar'
import { Home, Reports, Products, Team, Messages, Support } from './pages'
function App() {
return (
<Router>
<Navbar />
<Switch>
<Route path="/" exact component={Home} />
<Route path="/reports" exact component={Reports} />
<Route path="/products" exact component={Products} />
<Route path="/team" exact component={Team} />
<Route path="/messages" exact component={Messages} />
<Route path="/support" exact component={Support} />
</Switch>
</Router>
)
}
export default App
我注意到该路线也被复制到声明侧边栏的位置title
:
SidebarData.js:
import React from 'react'
import * as FaIcons from 'react-icons/fa'
import * as AiIcons from 'react-icons/ai'
import * as IoIcons from 'react-icons/io'
const SidebarData = [
{ title: 'Home', path: '/', icon: <AiIcons.AiFillHome />, cName: 'nav-text' },
{ title: 'Reports', path: '/reports', icon: <IoIcons.IoIosPaper />, cName: 'nav-text' },
{ title: 'Products', path: '/products', icon: <FaIcons.FaCartPlus />, cName: 'nav-text' },
{ title: 'Team', path: '/team', icon: <IoIcons.IoMdPeople />, cName: 'nav-text' },
{ title: 'Messages', path: '/messages', icon: <FaIcons.FaEnvelopeOpenText />, cName: 'nav-text' },
{ title: 'Support', path: '/support', icon: <IoIcons.IoMdHelpCircle />, cName: 'nav-text' },
]
export default SidebarData
鉴于代码已复制,我一直在尝试通过以下方式映射SidebarData
到Route的组件声明中的组件:
尝试1:
import React from 'react'
import './App.css'
import { BrowserRouter as Router, Switch, Route } from 'react-router-dom'
// Components
import Navbar from './components/Navbar'
import SidebarData from './components/SidebarData'
import { Home, Reports, Products, Team, Messages, Support } from './pages'
function App() {
return (
<Router>
<Navbar />
<Switch>
{SidebarData.map(({ path, title }, i) => (
<Route key={i} path={path} exact component={title} />
))}
</Switch>
</Router>
)
}
export default App
但我收到一个错误,并注意到在调用组件时它不起作用,并且在VSC中,我的组件引入了:
import { Home, Reports, Products, Team, Messages, Support } from './pages'
变灰了。
尝试2:
我认为也许可以SidebarData
通过在其中引入组件来建立参考:
SidebarData.js:
import React from 'react'
import * as FaIcons from 'react-icons/fa'
import * as AiIcons from 'react-icons/ai'
import * as IoIcons from 'react-icons/io'
import { Home, Reports, Products, Team, Messages, Support } from '../pages'
const SidebarData = [
{ title: 'Home', comp: <Home />, path: '/', icon: <AiIcons.AiFillHome />, cName: 'nav-text' },
{
title: 'Reports',
comp: <Reports />,
path: '/reports',
icon: <IoIcons.IoIosPaper />,
cName: 'nav-text',
},
{
title: 'Products',
comp: <Products />,
path: '/products',
icon: <FaIcons.FaCartPlus />,
cName: 'nav-text',
},
{ title: 'Team', comp: <Team />, path: '/team', icon: <IoIcons.IoMdPeople />, cName: 'nav-text' },
{
title: 'Messages',
comp: <Messages />,
path: '/messages',
icon: <FaIcons.FaEnvelopeOpenText />,
cName: 'nav-text',
},
{
title: 'Support',
comp: <Support />,
path: '/support',
icon: <IoIcons.IoMdHelpCircle />,
cName: 'nav-text',
},
]
export default SidebarData
然后在app.js中更改地图:
{SidebarData.map(({ path, comp }, i) => (
<Route key={i} path={path} exact component={comp} />
))}
但这对以下错误也不起作用:
错误:元素类型无效:期望使用字符串(对于内置组件)或类/函数(对于复合组件),但得到了:对象。
检查的渲染方法
Router.Consumer
。
我试图对此进行研究,但我认为我的失败是由于不知道在React中将其称为什么。阅读以下内容无效:
通过SidebarData映射时,如何将组件SidebarData中的引用标题转换为Route中的组件引用?
好问题,请尝试以下操作:
const SidebarData = [
// ...
{
title: 'Reports',
comp: Reports,
path: '/reports',
icon: <IoIcons.IoIosPaper />,
cName: 'nav-text',
},
{
title: 'Products',
comp: Products,
path: '/products',
icon: <FaIcons.FaCartPlus />,
cName: 'nav-text',
},
...
以及要映射的位置,请使用以下comp
属性:
{
SidebarData.map(({ path, comp }, i) => (
<Route key={i} path={path} exact component={comp} />
));
}
而且由于该comp
属性引用了组件,所以我认为最好像这样大写Comp
。
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