我有一个帖子列表,当用户点击标题时,他应该通过使用帖子id作为url导航到当前帖子。我的Link确实更改了url,但它不会更新页面,用户也不会被重定向,所以我尝试挂接一个也会刷新页面的onClick事件,但当我这样做时,url不再是帖子的id,并且我得到一个404,表明该页面不存在。用户点击Link后,如何成功刷新页面?
下面是我的父组件:
import React, { Component } from 'react'
import { NavLink, Route, BrowserRouter } from 'react-router-dom';
import Planets from '../Planets/Planets.jsx';
import Signs from '../Signs/Signs.jsx';
import PlanetaryAspects from '../PlanetaryAspects/PlanetaryAspects.jsx';
import Houses from '../Houses/Houses.jsx';
class BlogCategoriesMenu extends Component {
render() {
return(
<div className="blog-categories-menu">
<BrowserRouter>
<div className="blog-categories-menu__items">
<NavLink to="/planets" className="blog-categories-menu__items-a" activeClassName="isActive">Planets</NavLink>
<NavLink to="/signs" className="blog-categories-menu__items-a" activeClassName="isActive">Signs</NavLink>
<NavLink to="/planetary-aspects" className="blog-categories-menu__items-a" activeClassName="isActive">Planetary Aspects</NavLink>
<NavLink to="/houses" className="blog-categories-menu__items-a" activeClassName="isActive">Houses</NavLink>
<div className="content-container">
<Route path="/planets" component={Planets}></Route>
<Route path="/signs" component={Signs}></Route>
<Route path="/planetary-aspects" component={PlanetaryAspects}></Route>
<Route path="/houses" component={Houses}></Route>
</div>
</div>
</BrowserRouter>
</div>
)
}
}
export default BlogCategoriesMenu;以下是用户单击的组件:
import React, { Component } from 'react'
import axios from 'axios';
import Spinner from '../Spinner/Spinner';
import { Link, Switch } from 'react-router-dom';
class Planets extends Component {
state = {
posts: [],
currentPage: 1,
setCurrentPage: 1,
postsPerPage: 5,
loading: false
}
componentDidMount() {
const fetchPosts = async () => {
this.setState({...this.state, loading: true});
const res = await axios.get('https://app-endpoint/');
this.setState({...this.state, posts: res.data, loading: false});
};
fetchPosts();
}
reloadPage = () => {
window.location.reload()
}
render() {
const retrogradesPosts = this.state.posts.filter( (item) => {
return item.categories === 'retrogrades'
})
if(this.state.loading) {
return <Spinner/>
}
return(
<div className="planet-articles-container">
<div className="">
<div className="">
{retrogradesPosts.map(post => (
<div key={post._id} className="planet-articles-container__post">
<img className="planet-articles-container__post-img" src={post.picture} alt="avatar"/>
<div className="">
<div className="">
<h2 className="">{post.date}</h2>
<Link to={`/post/${post._id}`} onClick={this.reloadPage}> <p className="">{post.title}</p></Link>
<p className="planet-articles-container__post-text">{post.postContent.substring(0, 100) + "..."}</p>
</div>
</div>
</div>
))}
</div>
</div>
</div>
)
}
}
export default Planets;和我的App.js:
import React from 'react';
import { BrowserRouter, Route, Switch} from 'react-router-dom';
import Home from './components/Home/Home.jsx'
import Error from './components/Error/Error.jsx';
import Blog from './components//Blog//Blog.jsx';
import Post from './components/Post/Post.jsx';
const App = () => {
return (
<BrowserRouter>
<Switch>
<Route path="/" component={Home} exact />
<Route path="/blog" component={Blog} exact/>
<Route path="/post/:id" component={Post} exact/>
<Route component={Error}/>
</Switch>
</BrowserRouter>
);
};
export default App;发布于 2019-12-09 01:17:47
BlogCatergoriesMenu是使用/blog呈现的吗?如果BlogCatergoriesMenu是在应用程序内部呈现的,并且此“应用程序组件”是由BrowserRouter包装的,则删除BlogCatergoriesMenu中的BrowserRouter以使其工作。更新后的BlogCatergoriesMenu将如下所示
import React, { Component } from 'react'
import { NavLink, Route } from 'react-router-dom';
import Planets from '../Planets/Planets.jsx';
import Signs from '../Signs/Signs.jsx';
import PlanetaryAspects from '../PlanetaryAspects/PlanetaryAspects.jsx';
import Houses from '../Houses/Houses.jsx';
class BlogCategoriesMenu extends Component {
render() {
return(
<div className="blog-categories-menu">
<div className="blog-categories-menu__items">
<NavLink to="/planets" className="blog-categories-menu__items-a" activeClassName="isActive">Planets</NavLink>
<NavLink to="/signs" className="blog-categories-menu__items-a" activeClassName="isActive">Signs</NavLink>
<NavLink to="/planetary-aspects" className="blog-categories-menu__items-a" activeClassName="isActive">Planetary Aspects</NavLink>
<NavLink to="/houses" className="blog-categories-menu__items-a" activeClassName="isActive">Houses</NavLink>
<div className="content-container">
<Route path="/planets" component={Planets}></Route>
<Route path="/signs" component={Signs}></Route>
<Route path="/planetary-aspects" component={PlanetaryAspects}></Route>
<Route path="/houses" component={Houses}></Route>
</div>
</div>
</div>
)
}
}
export default BlogCategoriesMenu;
https://stackoverflow.com/questions/59237072
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