我正在使用react和react-router。 我试图在反应路由器的“链接”中传递属性

var React  = require('react');
var Router = require('react-router');
var CreateIdeaView = require('./components/createIdeaView.jsx');

var Link = Router.Link;
var Route = Router.Route;
var DefaultRoute = Router.DefaultRoute;
var RouteHandler = Router.RouteHandler;
var App = React.createClass({
  render : function(){
    return(
      <div>
        <Link to="ideas" params={{ testvalue: "hello" }}>Create Idea</Link>
        <RouteHandler/>
      </div>
    );
  }
});

var routes = (
  <Route name="app" path="/" handler={App}>
    <Route name="ideas" handler={CreateIdeaView} />
    <DefaultRoute handler={Home} />
  </Route>
);

Router.run(routes, function(Handler) {

  React.render(<Handler />, document.getElementById('main'))
});

“Link”呈现页面,但不将属性传递给新视图。 下面是视图代码

var React = require('react');
var Router = require('react-router');

var CreateIdeaView = React.createClass({
  render : function(){
    console.log('props form link',this.props,this)//props not recived
  return(
      <div>
        <h1>Create Post: </h1>
        <input type='text' ref='newIdeaTitle' placeholder='title'></input>
        <input type='text' ref='newIdeaBody' placeholder='body'></input>
      </div>
    );
  }
});

module.exports = CreateIdeaView;

如何使用“链接”传递数据?


当前回答

在Link组件中执行状态

<Link to='register' state={{name:'zayne'}}>

现在要访问页面中的项目,导入useLocation

import {useLocation} from 'react-router-dom';

const Register=()=>{

const location = useLocation()

//store the state in a variable if you want 
//location.state then the property or object you want

const Name = location.state.name

return(
  <div>
    hello my name is {Name}
  </div>
)

}

其他回答

如果你只是想替换路由中的蛞蝓,你可以使用react-router 4.3(2018)中引入的generatePath。到目前为止,它还没有包含在react-router-dom (web)文档中,但在react-router (core)中。问题# 7679

// myRoutes.js
export const ROUTES = {
  userDetails: "/user/:id",
}


// MyRouter.jsx
import ROUTES from './routes'

<Route path={ROUTES.userDetails} ... />


// MyComponent.jsx
import { generatePath } from 'react-router-dom'
import ROUTES from './routes'

<Link to={generatePath(ROUTES.userDetails, { id: 1 })}>ClickyClick</Link>

这和django.urls.reverse一段时间以来的概念是一样的。

参考这篇文章

简单来说就是:

<Link to={{
     pathname: `your/location`,
     state: {send anything from here}
}}

现在你想要访问它:

this.props.location.state

我在显示应用程序中的用户详细信息时遇到了同样的问题。

你可以这样做:

<Link to={'/ideas/'+this.props.testvalue }>Create Idea</Link>

or

<Link to="ideas/hello">Create Idea</Link>

and

<Route name="ideas/:value" handler={CreateIdeaView} />

在CreateIdeaView类中通过this.props.match.params.value来获取。

你可以看看这个对我帮助很大的视频:https://www.youtube.com/watch?v=ZBxMljq9GSE

在react-router v6中,它是state和useLocation:

<Link to={`/foo`} state={{title: 'foo'}}>
import {useLocation} from "react-router-dom";

const FooPage = () => {
    const location = useLocation()

    return <>
        <h1>{location.state.title}</h1>
    </>
}
export default FooPage;

安装react-router-dom后

<Link
    to={{
      pathname: "/product-detail",
      productdetailProps: {
       productdetail: "I M passed From Props"
      }
   }}>
    Click To Pass Props
</Link>

和路由重定向的另一端这样做

componentDidMount() {
            console.log("product props is", this.props.location.productdetailProps);
          }