在react+redux项目中,一直下面这个错:

入口代码如下:
import React, {Component} from 'react';
import {render} from 'react-dom';
import { createStore , combineReducers} from 'redux';
import { Provider, applyMiddleware } from 'react-redux';
import { createLogger } from 'redux-logger';
import thunk from 'redux-thunk';
const middleware = [ thunk ];
if (process.env.NODE_ENV !== 'production') {
middleware.push(createLogger());
}
import LoginContainer from '../component/LoginContainer.js';
import login from '../redux/reducer/login.js'
let reducers = combineReducers({
login
})
const store = createStore(
reducers,
applyMiddleware(...middleware)
)
render((
<Provider store={store}>
<LoginContainer />
</Provider>
), document.getElementById('root'));
这个是什么情况啊
提示的很清楚。
login.js
中有个对象的属性是apply
,出现了这个对象为undefined
的情况。判断一下空
undefined
的情况。