Reactjs 反应组件无限重渲染
我有一个反应组件结构:Reactjs 反应组件无限重渲染,reactjs,react-router-v4,Reactjs,React Router V4,我有一个反应组件结构: CookiesProvider | App | BrowserRouter | AppContext.Provider | Layout | Switch | Route path="all-products" component={Gallery} 当我重构代码并将整个交换机/路由结构拉入无状态组件时,或者当我将BrowserRouter组件放在CookieProvider组件之外时,
CookiesProvider
| App
| BrowserRouter
| AppContext.Provider
| Layout
| Switch
| Route path="all-products" component={Gallery}
当我重构代码并将整个交换机/路由结构拉入无状态组件时,或者当我将BrowserRouter组件放在CookieProvider组件之外时,Gallery组件将无限地重新渲染。但如果我把我的结构留在原地,一切都会好起来
我已经记录了Gallery组件的安装和卸载以及网络调用
为什么会这样
当前代码结构:
// index.js
ReactDOM.render((
<CookiesProvider>
<Home />
</CookiesProvider>
), document.getElementById('root'));
// render() of Home component
const galleryRefresh = this.state.galleryRefresh
return (
<BrowserRouter>
<AppContext.Provider value={this.state.context}>
<Layout>
<Switch>
<Route path="/all-products" component={()=> {
return <Gallery refresh={galleryRefresh} otherFilters={["type:clothes"]}/>
}}/>
</Switch>
</Layout>
</AppContext.Provider>
</BrowserRouter>
)
// render() of Home Component
const galleryRefresh = this.state.galleryRefresh
return (
<BrowserRouter>
<AppContext.Provider value={this.state.context}>
<Layout>
<Route galleryRefresh={galleryRefresh}/>
</Layout>
</AppContext.Provider>
</BrowserRouter>
)
// Routes stateless component
const Routes = ({galleryRefresh}) => (
<Switch>
<Route path="/all-watches" component={()=> {
return <Gallery refresh={galleryRefresh} otherFilters={["type:Watch OR watch"]}/>
}}/>
</Switch>
)
//index.js
ReactDOM.render((
),document.getElementById('root');
//主组件的render()
const galleryRefresh=this.state.galleryRefresh
返回(
{
返回
}}/>
)
当我重构路由逻辑时:
// index.js
ReactDOM.render((
<CookiesProvider>
<Home />
</CookiesProvider>
), document.getElementById('root'));
// render() of Home component
const galleryRefresh = this.state.galleryRefresh
return (
<BrowserRouter>
<AppContext.Provider value={this.state.context}>
<Layout>
<Switch>
<Route path="/all-products" component={()=> {
return <Gallery refresh={galleryRefresh} otherFilters={["type:clothes"]}/>
}}/>
</Switch>
</Layout>
</AppContext.Provider>
</BrowserRouter>
)
// render() of Home Component
const galleryRefresh = this.state.galleryRefresh
return (
<BrowserRouter>
<AppContext.Provider value={this.state.context}>
<Layout>
<Route galleryRefresh={galleryRefresh}/>
</Layout>
</AppContext.Provider>
</BrowserRouter>
)
// Routes stateless component
const Routes = ({galleryRefresh}) => (
<Switch>
<Route path="/all-watches" component={()=> {
return <Gallery refresh={galleryRefresh} otherFilters={["type:Watch OR watch"]}/>
}}/>
</Switch>
)
//主组件的render()
const galleryRefresh=this.state.galleryRefresh
返回(
)
//路由无状态组件
常量路由=({galleryRefresh})=>(
{
返回
}}/>
)
在路由组件中,我应该使用渲染
道具而不是组件
道具
<Switch>
<Route path="/all-products" render={()=> {
return <Gallery refresh={galleryRefresh} otherFilters={["type:clothes"]}/>
}}/>
</Switch>
{
返回
}}/>
你能在重构前后加入你的代码吗?是的,给我一分钟时间