如何向Redux添加多个中间件?

问题描述 投票:44回答:4

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')
);
reactjs redux react-redux middleware redux-thunk
4个回答
77
投票

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);

17
投票

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)

8
投票

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')
);

0
投票

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 !

© www.soinside.com 2019 - 2024. All rights reserved.