Javascript 反应没有出现的成分
我现在有回购协议 我有显示链接的主页,当你点击链接时,路由器工作。但是组件的文本没有显示出来,比如Javascript 反应没有出现的成分,javascript,reactjs,react-router,Javascript,Reactjs,React Router,我现在有回购协议 我有显示链接的主页,当你点击链接时,路由器工作。但是组件的文本没有显示出来,比如登录页面,主页,等等 index.js: import React from 'react'; import ReactDOM from 'react-dom'; import { Router, Route, Link, IndexRoute, browserHistory } from 'react-router'; import { Provider } from 'react-redux';
登录页面
,主页
,等等
index.js:
import React from 'react';
import ReactDOM from 'react-dom';
import { Router, Route, Link, IndexRoute, browserHistory } from 'react-router';
import { Provider } from 'react-redux';
import { createStore, applyMiddleware } from 'redux';
import reducers from './reducers';
import Nav from './Nav';
import Home from './components/Home';
import Login from './components/Login';
import SignupMain from './components/SignupMain';
const createStoreWithMiddleware = applyMiddleware()(createStore);
ReactDOM.render(
(
<Provider store={createStoreWithMiddleware(reducers)}>
<Router history={browserHistory}>
<Route path="/" component={Nav}>
<IndexRoute component={Home}/>
<Route path='/login' component={Login}/>
<Route path='/signup-main' component={SignupMain}/>
</Route>
</Router>
</Provider>
), document.querySelector('.container'));
从“React”导入React;
从“react dom”导入react dom;
从“react Router”导入{Router,Route,Link,IndexRoute,browserHistory};
从'react redux'导入{Provider};
从“redux”导入{createStore,applyMiddleware};
从“./reducers”导入减速机;
从“./Nav”导入Nav;
从“./components/Home”导入Home;
从“./components/Login”导入登录名;
从“./components/SignupMain”导入SignupMain;
const createStoreWithMiddleware=applyMiddleware()(createStore);
ReactDOM.render(
(
),document.querySelector('.container');
Nav.js:
import React from 'react';
import { Link } from 'react-router';
export default class Nav extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div>
<nav className="navbar navbar-default">
<div className="container-fluid">
<div className="navbar-header navbar-brand">
<a href="/">Home</a>
</div>
</div>
<div id="navbar" className="navbar-right">
<ul className="nav navbar-nav">
<li><Link activeClassName="active" to="/" onlyActiveOnIndex>Home</Link></li>
<li><Link activeClassName="active" to="/login" onlyActiveOnIndex>Login</Link></li>
<li><Link activeClassName="active" to="/signup-main" onlyActiveOnIndex>Signup</Link></li>
</ul>
</div>
</nav>
</div>
)
}
}
// export Nav as default;
从“React”导入React;
从“反应路由器”导入{Link};
导出默认类Nav.Component{
建造师(道具){
超级(道具);
}
render(){
返回(
- 家
- 登录
- 报名
)
}
}
//默认导出Nav;
组件/Home.js:
import React, { Component } from 'react';
export default class Home extends Component {
render() {
return (
<div>Homepage</div>
);
}
}
import React,{Component}来自'React';
导出默认类Home extends组件{
render(){
返回(
主页
);
}
}
为什么这些组件没有显示在页面上?由于您的其他路由嵌套在“Nav”组件的路由中,它应该在某个地方呈现其子级。为此,您必须将
this.props.children
放在您希望在Nav组件的JSX中呈现嵌套组件的位置
export default class Nav extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div>
<nav className="navbar navbar-default">
<div className="container-fluid">
<div className="navbar-header navbar-brand">
<a href="/">Home</a>
</div>
</div>
<div id="navbar" className="navbar-right">
<ul className="nav navbar-nav">
<li><Link activeClassName="active" to="/" onlyActiveOnIndex>Home</Link></li>
<li><Link activeClassName="active" to="/login" onlyActiveOnIndex>Login</Link></li>
<li><Link activeClassName="active" to="/signup-main" onlyActiveOnIndex>Signup</Link></li>
</ul>
</div>
</nav>
<div>{this.props.children}</div>
</div>
)
}
}
导出默认类Nav.Component{
建造师(道具){
超级(道具);
}
render(){
返回(
- 家
- 登录
- 报名
{this.props.children}
)
}
}
由于您的其他路由嵌套在“导航”组件的路由中,因此它应该在某个地方呈现其子路由。为此,您必须将this.props.children
放在您希望在Nav组件的JSX中呈现嵌套组件的位置
export default class Nav extends React.Component {
constructor(props) {
super(props);
}
render() {
return (
<div>
<nav className="navbar navbar-default">
<div className="container-fluid">
<div className="navbar-header navbar-brand">
<a href="/">Home</a>
</div>
</div>
<div id="navbar" className="navbar-right">
<ul className="nav navbar-nav">
<li><Link activeClassName="active" to="/" onlyActiveOnIndex>Home</Link></li>
<li><Link activeClassName="active" to="/login" onlyActiveOnIndex>Login</Link></li>
<li><Link activeClassName="active" to="/signup-main" onlyActiveOnIndex>Signup</Link></li>
</ul>
</div>
</nav>
<div>{this.props.children}</div>
</div>
)
}
}
导出默认类Nav.Component{
建造师(道具){
超级(道具);
}
render(){
返回(
- 家
- 登录
- 报名
{this.props.children}
)
}
}
您的路由器版本是什么?您的代码不可访问。把它放进一些公共回购,比如github,然后分享。你的react路由器版本是什么?您的代码不可访问。正确的,我确实在我们的Nav
组件的底部看到了这一条款,但我不知道它是什么意思。感谢tharakacorrect,我现在确实在Nav
组件的底部看到了该条款,但我不知道它是什么意思。谢谢塔拉卡