[英]React-router not displaying component
我目前正在学习 react-router,然后尝试在示例应用程序中实现它。
这是我的代码:
索引.html
<!DOCTYPE html>
<html>
<head>
<title>Sample APP</title>
<link rel="stylesheet" href="dist/css/style.css">
</head>
<body>
<div id="main"></div>
</body>
<script src="dist/js/main.js"></script>
</html>
/src/app.jsx
var React = require('react');
var ReactDOM = require('react-dom');
var Routes = require('./routes');
ReactDOM.render(Routes, document.getElementById('main'));
/src/routes.jsx
var React = require('react');
var Router = require('react-router').Router;
var Route = require('react-router').Route;
var Link = require('react-router').Link;
var HelloWorld = require('./components/hello-world');
var NotFound = require('./components/not-found');
var About = require('./components/about');
module.exports = (
<Router>
<Route path="/" component={HelloWorld}>
<Route path="about" component={About}/>
</Route>
</Router>
);
/src/components/hello-world.jsx
var React = require('react');
var Link = require('react-router').Link;
module.exports = React.createClass({
render: function() {
return <div>
<h1>
Hello World !
</h1>
<Link to="/about">About</Link>
</div>
}
});
/src/components/about.jsx
var React = require('react');
module.exports = React.createClass({
render: function() {
return <h1>
About
</h1>
}
});
包.json
{...}
"dependencies": {
"browserify": "^9.0.3",
"gulp": "^3.8.11",
"gulp-concat": "^2.5.2",
"gulp-react": "^3.0.1",
"gulp-sass": "^2.0.1",
"gulp-server-livereload": "^1.3.0",
"gulp-util": "^3.0.4",
"gulp-watch": "^4.2.4",
"history": "^1.13.1",
"node-notifier": "^4.2.1",
"react": "^0.14.3",
"react-dom": "^0.14.3",
"react-router": "^1.0.0",
"reactify": "^1.1.0",
"vinyl-source-stream": "^1.1.0",
"watchify": "^2.4.0"
}
我用gulp
到browserify
和reactify
我的消息来源为/dist/js/main.js
当我点击about
链接时,url 从http://localhost:8000/#/?_k=zkmiyh
变为http://localhost:8000/#/about?_k=6nhkao
但显示的组件仍然是hello-world
.
我的控制台上没有显示错误。
有什么遗漏吗?
丑陋的解决方案是摆脱嵌套路线,如下所示:
module.exports = (
<Router>
<Route path="/" component={HelloWorld} />
<Route path="/about" component={About} />
</Router>
);
然而,我通过这个文档想出了正确的方法
我们需要另一个组件(我称之为Main
),它将包含要显示的正确组件(即this.props.children
)。
我使用IndexRoute
来定义要显示的默认组件。
这是更正后的代码:
/src/components/main.jsx( 新 )
var React = require('react');
module.exports = React.createClass({
render: function() {
return <div>
// this is where you can add header
{this.props.children}
// this is where you can add footer
</div>
}
});
/src/routes.jsx(已修改 )
var React = require('react');
var Router = require('react-router').Router;
var Route = require('react-router').Route;
var IndexRoute = require('react-router').IndexRoute;
var Main = require('./components/main');
var HelloWorld = require('./components/hello-world');
var About = require('./components/about');
module.exports = (
<Router>
<Route path="/" component={Main}>
<IndexRoute component={HelloWorld} />
<Route path="about" component={About} />
</Route>
</Router>
);
我在我的APP中也有相同的概率我已经更改了父节点并设置为相同节点然后它的工作可能对它有帮助
module.exports = (
<Router>
<Route path="/" component={HelloWorld} />
<Route path="about" component={About}/>
</Router>
);
对于 react-dom 版本 6,我使用了“元素”而不是“组件”,它对我有用。 这里我们不需要提及“精确”。
例如 :
<Routes>
<Route path="/" element={<Home />}/>
<Route path="/add-course" element={<Addcourse/>} exact />
<Route path="/view-courses" element={<Allcourses/>} exact />
</Routes>
module.exports = (
<Router>
<Route path="/">
<HelloWorld/>
</Route>
<Route path="about">
<About/>
</Route>
</Router>
);
这可能会帮助您检查这一点。
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