javascript - 在 "store"的上下文或 props 中找不到 "Connect(App)"

Question

在将多个文件的内容合并为一个文件作为 Redux 的配​​置后，我遇到了 Redux 配置错误的问题。

如何解析store，同时将其保存在一个文件中？

Unhandled JS Exception: Could not find "store" in either the context or props of "Connect(App)". Either wrap the root component in a , or explicitly pass "store" as a prop to "Connect(App)".

'use strict';
import React, { Component } from 'react';
import { createStore, applyMiddleware, combineReducers, bindActionCreators } from 'redux';
import { Provider, connect } from 'react-redux';
import thunk from 'redux-thunk';
import * as screenActions from './redux/actions/screenActions';

import * as reducers from './redux/stores/reducers';

const createStoreWithMiddleware = applyMiddleware(thunk)(createStore);
const reducer = combineReducers(reducers);
const store = createStoreWithMiddleware(reducer);

import RootContainer from './redux/views/containers/rootContainer';

class App extends Component {
  render() {
    const { state, actions } = this.props;
    return (
      <Provider store={store}>
        <RootContainer />
      </Provider>
    );
  }
}

export default connect(
  (state) => ({
    state: state.reducer
  }),
  (dispatch) => ({
    actions: bindActionCreators(screenActions, dispatch)
  })
)(App);

Answer 1

• 提供商，passes the store到嵌套在其中的组件，通常只需要应用于 root 组件(在您的情况下 <RootContainer>

• connect与提供存储的组件连接，而不是与提供存储的组件连接。

建议的解决方案:

移动connect 到 <RootContainer> 组件文件，并传递 connect RootContainer 而不是 App 组件:

export default connect(
  (state) => ({
    state: state.reducer
  }),
  (dispatch) => ({
    actions: bindActionCreators(screenActions, dispatch)
  })
)(RootContainer);  // <<--- here :)

<小时/>

更新:

鉴于 OP 希望在同一个文件中实现所有这些，您必须创建一个 React 元素来表示从 connect 创建的 Redux 容器，因此:

'use strict';
import React, { Component } from 'react';
import { createStore, applyMiddleware, combineReducers, bindActionCreators } from 'redux';
import { Provider, connect } from 'react-redux';
import thunk from 'redux-thunk';
import * as screenActions from './redux/actions/screenActions';

import * as reducers from './redux/stores/reducers';

const createStoreWithMiddleware = applyMiddleware(thunk)(createStore);
const reducer = combineReducers(reducers);
const store = createStoreWithMiddleware(reducer);

import RootContainer from './redux/views/containers/rootContainer';

// name has to be capitalised for React to recognise it as an element in JSX
const ConnectedRoot = connect(
  (state) => ({
    state: state.reducer
  }),
  (dispatch) => ({
    actions: bindActionCreators(screenActions, dispatch)
  })
)(RootContainer);

class App extends Component {
  render() {
    const { state, actions } = this.props;
    return (
      <Provider store={store}>
        <ConnectedRoot />    <------USE IT HERE
      </Provider>
    );
  }
}