由于我在React应用程序中使用React路由器来处理我的路由,我很好奇是否有一种方法可以重定向到外部资源。

比如有人打人:

example.com/privacy-policy

我希望它重定向到:

example.zendesk.com/hc/en-us/articles/123456789-Privacy-Policies

我发现在我的index.html加载中,避免用纯JavaScript编写它完全没有任何帮助:

if (window.location.path === "privacy-policy"){
  window.location = "example.zendesk.com/hc/en-us/articles/123456789-Privacy-Policies"
}

当前回答

用react-router的Link组件就可以做到。在“to”道具中,您可以指定3种类型的数据:

a string: A string representation of the Link location, created by concatenating the location’s pathname, search, and hash properties. an object: An object that can have any of the following properties: pathname: A string representing the path to link to. search: A string representation of query parameters. hash: A hash to put in the URL, e.g. #a-hash. state: State to persist to the location. a function: A function to which current location is passed as an argument and which should return location representation as a string or as an object

对于你的例子(外部链接):

https://example.zendesk.com/hc/en-us/articles/123456789-Privacy-Policies

您可以执行以下操作:

<Link to={{ pathname: "https://example.zendesk.com/hc/en-us/articles/123456789-Privacy-Policies" }} target="_blank" />

您还可以传递您想要的道具,如标题,id, className等。

其他回答

它不需要请求React路由器。这个操作可以在本地完成,由浏览器提供。

只需使用window.location。

React挂钩

const RedirectPage = () => {
  React.useEffect(() => {
    window.location.replace('https://www.google.com')
  }, [])
}

使用React类组件

class RedirectPage extends React.Component {
  componentDidMount(){
    window.location.replace('https://www.google.com')
  }
}

另外,如果你想在一个新标签中打开它:

window.open('https://www.google.com', '_blank');

我遇到了同样的问题,并在React中使用http://或https://解决了它。

像: <a target="_blank" href="http://www.example.com/" title="example">见detail</a>

对于V3,虽然对V4也适用。离开Eric的回答,我需要做更多的事情,比如处理本地开发,其中'http'不存在于URL上。我还重定向到同一服务器上的另一个应用程序。

添加到路由器文件:

import RedirectOnServer from './components/RedirectOnServer';

<Route path="/somelocalpath"
       component={RedirectOnServer}
       target="/someexternaltargetstring like cnn.com"
/>

和组件:

import React, { Component } from "react";

export class RedirectOnServer extends Component {

  constructor(props) {
    super();
    // If the prefix is http or https, we add nothing
    let prefix = window.location.host.startsWith("http") ? "" : "http://";
    // Using host here, as I'm redirecting to another location on the same host
    this.target = prefix + window.location.host + props.route.target;
  }
  componentDidMount() {
    window.location.replace(this.target);
  }
  render(){
    return (
      <div>
        <br />
        <span>Redirecting to {this.target}</span>
      </div>
    );
  }
}

export default RedirectOnServer;

不需要使用React Router中的<Link />组件。

如果你想去外部链接使用锚标签。

<a target="_blank" href="https://meetflo.zendesk.com/hc/en-us/articles/230425728-Privacy-Policies">Policies</a>

为了扩展Alan的回答,您可以创建一个<Route/>,它将所有包含“http:”或“https:”属性的<Link/>重定向到正确的外部资源。

下面是一个可以直接放在<Router>中的工作示例。

<Route path={['/http:', '/https:']} component={props => {
  window.location.replace(props.location.pathname.substr(1)) // substr(1) removes the preceding '/'
  return null
}}/>