我已经插入了一个中间件,redux-thunk,我想添加另一个,redux-logger。
如何配置它以便我的应用程序使用两个中间件?我试过传递一系列[ReduxThunk, logger]
,但这不起作用。
码:
import React from 'react';
import ReactDOM from 'react-dom';
import { Provider } from 'react-redux';
import { createStore, applyMiddleware } from 'redux';
import ReduxThunk from 'redux-thunk';
import logger from 'redux-logger';
import App from './components/app';
import reducers from './reducers';
require('./style.scss');
const createStoreWithMiddleware = applyMiddleware(ReduxThunk)(createStore);
ReactDOM.render(
<Provider store={createStoreWithMiddleware(reducers)}>
<App />
</Provider>,
document.querySelector('#app')
);
applyMiddleware将每个中间件作为新参数(不是数组)。所以只需传入你想要的每个中间件。
const createStoreWithMiddleware = applyMiddleware(ReduxThunk, logger)(createStore);
安迪的答案很好,但是,考虑到你的中间件在增长,下面的代码会更好:
const middlewares = [ReduxThunk, logger]
applyMiddleware(...middlewares)
applyMiddleware
应该作为第二个参数传递给createStore。 applyMiddleware
可以有多个中间件作为参数。
const store = createStore(reducers, applyMiddleware(ReduxThunk, logger));
ReactDOM.render(
<Provider store={store}>
<App />
</Provider>,
document.querySelector('#app')
);
这是如何应用一个或多个中间件:
import {createStore, applyMiddleware} from 'redux';
import thunk from 'redux-thunk';
import logger from 'redux-logger';
import {rootReducer} from "../reducers"; // Import your combined reducers ;)
const middleWares = [thunk, logger]; // Put the list of third part plugins in an array
// Create the store with the applied middleWares and export it
export const store = createStore(rootReducer, applyMiddleware(...middleWares));
现在导入最近在index.js中导出的商店,并将其传递给Provider组件。您的index.js文件应如下所示:
... ...
import {Provider} from 'react-redux';
import {store} from './store';
ReactDOM.render(
<Provider store={store}>
<App />
</Provider>,
document.getElementById('root'));
就这样 !