0
我是比較新的反應,並在編程和一般的問題已經出現,我一直在試圖解決現在的某個時候,但似乎無法找到一個解決方案。 我的問題是,每當我按下鏈接「登陸」(可以在倒數第二個代碼片段中)我得到的錯誤,ReactJS未捕獲的ReferenceError:未定義鏈接
Uncaught ReferenceError: Link is not defined
at Object.render (bundle.js:37775)
at bundle.js:33451
at measureLifeCyclePerf (bundle.js:32731)
at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (bundle.js:33450)
at ReactCompositeComponentWrapper._renderValidatedComponent (bundle.js:33477)
at ReactCompositeComponentWrapper.performInitialMount (bundle.js:33017)
at ReactCompositeComponentWrapper.mountComponent (bundle.js:32913)
at Object.mountComponent (bundle.js:4990)
at ReactCompositeComponentWrapper._updateRenderedComponent (bundle.js:33420)
at ReactCompositeComponentWrapper._performComponentUpdate (bundle.js:33379)
,我相信它是與鏈接本身或路由器。當我按下連結它改變了路徑「/登錄」,但它不會改變的頁面。我跟着這個教程(https://www.youtube.com/watch?v=W6m2qUCYLuk)和其他使用路由器來代替BrowserRouter但我遇到了一些錯誤,讀到這裏,你現在應該使用BrowserRouter代替。所以,我剛纔因爲我用BrowserRouter代替路由器做任何改變?
爲路由器代碼:
var React = require('react');
var ReactDOM = require('react-dom');
require('./css/index.css');
import {BrowserRouter, Route, browserHistory, Link} from 'react-router-
dom';
var Login = require('./login');
var CreateNewAcc = require('./createNewAcc');
var App = React.createClass({
render: function(){
return(
<BrowserRouter history={browserHistory}>
<div>
<Route path={'/'} component={MainComponent}/>
<Route path={'/login'} component={Login}/>
<Route path={'/createNewAcc'} component=
{CreateNewAcc}/>
</div>
</BrowserRouter>
);
}
});
這是主要的代碼(我縮短了它,並只增加相關的部分,其中的鏈接):
var MainComponent = React.createClass({
render: function(){
return(
<div className='wrapper'>
<div className='header'>
<img className='logo' src='./images/loop.png'></img>
<div className='loginDiv'>
<Link className='login' to={'/login'}>Logga in</Link>
</div>
</div>
的package.json文件
"dependencies": {
"react": "^15.6.1",
"react-dom": "^15.6.1",
"react-router": "^4.2.0",
"react-router-dom": "^4.2.2"
},
"devDependencies": {
"babel-core": "^6.25.0",
"babel-loader": "^7.1.1",
"babel-preset-es2015": "^6.24.1",
"babel-preset-react": "^6.24.1",
"css-loader": "^0.28.4",
"style-loader": "^0.18.2",
"webpack": "^3.5.4",
"webpack-dev-server": "^2.7.1"
}
在此先感謝!
你有進口'Link'你'MainComponent'? – Panther
@Panther的主要成分是在同一個文件在第一片段中的代碼 – hugosod