Javascript URL随React路由器更改,但组件未呈现?
我正在设置一个React应用程序来利用React路由器。当我单击左侧的志愿者标题时,URL会更改,但组件不会呈现。我应该如何设置 我尝试将路由放在侧面板组件中,但我不希望React Router渲染的组件是侧面板的子组件,而是同级组件 我的应用程序组件:Javascript URL随React路由器更改,但组件未呈现?,javascript,reactjs,react-router,Javascript,Reactjs,React Router,我正在设置一个React应用程序来利用React路由器。当我单击左侧的志愿者标题时,URL会更改,但组件不会呈现。我应该如何设置 我尝试将路由放在侧面板组件中,但我不希望React Router渲染的组件是侧面板的子组件,而是同级组件 我的应用程序组件: // system imports import React from "react"; import { BrowserRouter, Route} from "react-router-dom"; // custom components
// system imports
import React from "react";
import { BrowserRouter, Route} from "react-router-dom";
// custom components
import SidePanel from "./SidePanel.js";
import VolunteerCombo from "./VolunteerCombo.js";
import RegistrantsCombo from "./RegistrantsCombo.js";
import Assignments from "./Assignments.js";
import ActionLog from "./ActionLog.js";
// css files
import "../css/App.css";
import "../css/ActivePanel.css";
import "../css/MenuPanel.css";
export class App extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div className="main_container">
<SidePanel/>
<BrowserRouter>
<Route path="/volunteers" component={VolunteerCombo}></Route>
<Route path="/registrants" component={RegistrantsCombo}></Route>
<Route path="/assignments" component={Assignments}></Route>
<Route path="/action_log" component={ActionLog}></Route>
</BrowserRouter>
</div>
);
}
}
// system imports
import React from "react";
import { BrowserRouter, Route, Link } from "react-router-dom";
// custom components
// css files
import "../css/SidePanel.css";
class SidePanel extends React.Component {
constructor(props) {
super(props);
this.state = {
title: ""
};
}
render() {
return (
<div className="side_panel">
<BrowserRouter>
<h3 style={{paddingTop: "3%"}}>Chase Grainger</h3>
<p className="ui button">Log Out</p>
<div className="ui divider"></div>
<Link to="/volunteers">
<h4 className="side_button">Volunteers</h4>
</Link>
<h4 className="side_button">Registrants</h4>
<h4 className="side_button">Assignments Mode</h4>
<div className="ui divider"></div>
<h4 className="side_button">Action Log</h4>
</BrowserRouter>
</div>
);
}
}
export default SidePanel;
//系统导入
从“React”导入React;
从“react router dom”导入{BrowserRouter,Route};
//自定义组件
从“/SidePanel.js”导入侧面板;
从“/voluntercombo.js”导入志愿者组合;
从“/registantscombo.js”导入注册人scombo;
从“/Assignments.js”导入工作分配;
从“/ActionLog.js”导入ActionLog;
//css文件
导入“./css/App.css”;
导入“./css/ActivePanel.css”;
导入“./css/MenuPanel.css”;
导出类应用程序扩展React.Component{
建造师(道具){
超级(道具);
}
render(){
返回(
);
}
}
和我的侧面板组件:
// system imports
import React from "react";
import { BrowserRouter, Route} from "react-router-dom";
// custom components
import SidePanel from "./SidePanel.js";
import VolunteerCombo from "./VolunteerCombo.js";
import RegistrantsCombo from "./RegistrantsCombo.js";
import Assignments from "./Assignments.js";
import ActionLog from "./ActionLog.js";
// css files
import "../css/App.css";
import "../css/ActivePanel.css";
import "../css/MenuPanel.css";
export class App extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div className="main_container">
<SidePanel/>
<BrowserRouter>
<Route path="/volunteers" component={VolunteerCombo}></Route>
<Route path="/registrants" component={RegistrantsCombo}></Route>
<Route path="/assignments" component={Assignments}></Route>
<Route path="/action_log" component={ActionLog}></Route>
</BrowserRouter>
</div>
);
}
}
// system imports
import React from "react";
import { BrowserRouter, Route, Link } from "react-router-dom";
// custom components
// css files
import "../css/SidePanel.css";
class SidePanel extends React.Component {
constructor(props) {
super(props);
this.state = {
title: ""
};
}
render() {
return (
<div className="side_panel">
<BrowserRouter>
<h3 style={{paddingTop: "3%"}}>Chase Grainger</h3>
<p className="ui button">Log Out</p>
<div className="ui divider"></div>
<Link to="/volunteers">
<h4 className="side_button">Volunteers</h4>
</Link>
<h4 className="side_button">Registrants</h4>
<h4 className="side_button">Assignments Mode</h4>
<div className="ui divider"></div>
<h4 className="side_button">Action Log</h4>
</BrowserRouter>
</div>
);
}
}
export default SidePanel;
//系统导入
从“React”导入React;
从“react router dom”导入{BrowserRouter,Route,Link};
//自定义组件
//css文件
导入“./css/SidePanel.css”;
类侧面板扩展了React.Component{
建造师(道具){
超级(道具);
此.state={
标题:“
};
}
render(){
返回(
蔡斯·格兰杰
注销
志愿者
注册人
分配模式
动作日志
);
}
}
导出默认侧面板;
当我单击左侧的志愿者时,我希望我的志愿者组合组件会出现,但尽管URL发生了更改,但该组件没有呈现。首先,您需要一个BrowserRouter。侧面板也需要在BrowserRouter下安装 所以总的来说,您还需要一个组件
<BrowserRouter>
<Route path="/" component={Layout} />
</BrowserRouter>
在Layout.js中
<div>
<SidePanel />
<Switch>
...your routes
</Switch>
</div>
…你的路线
并与路由器HOC一起用于侧面板。该值未被推送到历史记录中,请参阅:如果我希望侧面板始终可见,是否仍可以使用该值?是的,当然。侧面板将始终可见。我最后不得不将侧面板移到我的第一个路由声明的正上方,BrowserRouter内部。谢谢你的帮助,菲利普!