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내 React Redux 애플리케이션에서 기본 페이지가로드 될 때 API에서 데이터를 가져 와서 사용자가 볼 수 있도록 표시하려고합니다. 작업에서 데이터를 가져오고 상태가 업데이트됩니다. 그러나 나는 국가를 구성 요소의 소품으로 보지 않을 것이다. 무엇이 제대로 연결되어 있는지 확실하지 않습니다.구성 요소에 소품으로 Redux 통과 상태를 반품하십시오.
홈 구성 요소 :
import React, { Component, PropTypes } from 'react';
import { connect } from 'react-redux';
import { bindActionCreators } from 'redux';
import * as actions from '../actions/actions';
import '../styles/homeStyles.css';
class Home extends Component {
constructor(props) {
super(props);
}
componentDidMount() {
this.props.actions.fetchMovies();
}
render() {
const { movies, isFetching, errorMessage } = this.props;
if (isFetching && !movies.length) {
return <p>Loading...</p>;
}
//will display movies when I have access to state
return (
<div>
<h1>React Starter App</h1>
<h2>This is the home page</h2>
</div>
);
}
}
Home.proptypes = {
actions: PropTypes.object.isRequired,
dispatch: PropTypes.func.isRequired,
movies: PropTypes.array.isRequired,
isFetching: PropTypes.bool.isRequired,
errorMessage: PropTypes.string
};
function mapStateToProps(state) {
return {
movies: state.movies,
isFetching: state.isFetching,
errorMessage: state.errorMessage
};
}
function mapDispatchToProps(dispatch) {
return { actions: bindActionCreators(actions, dispatch) };
}
export default connect(mapStateToProps, mapDispatchToProps)(Home);
가기 :
import { createStore, applyMiddleware } from 'redux';
import thunkMiddleware from 'redux-thunk';
import createLogger from 'redux-logger';
import { syncHistoryWithStore } from 'react-router-redux';
import { browserHistory } from 'react-router';
import rootReducer from '../reducers/index';
const initialState = {
movies :{
movies: [],
isFetching: false,
errorMessage: null,
firstName: null,
lastName: null,
email: null
}
};
const store = createStore(rootReducer, initialState, applyMiddleware(thunkMiddleware, createLogger()));
export const history = syncHistoryWithStore(browserHistory, store);
if (module.hot) {
module.hot.accept('../reducers/',() => {
const nextRootReducer = require('../reducers/index').default;
store.replaceReducer(nextRootReducer);
});
}
export default store;
앱 :
import React, { Component } from 'react';
import Navbar from './Navbar';
class App extends Component {
render() {
return (
<div>
<Navbar />
<div className="container">
{this.props.children}
</div>
</div>
);
}
}
export default App;
지수 :
import React from 'react';
import {render} from 'react-dom';
import { Provider } from 'react-redux';
import { Router, Route, IndexRoute } from 'react-router';
import store, { history } from './store/store';
require('./favicon.ico');
import App from './components/App';
import Home from './components/Home';
import Contact from './components/Contact';
import NotFoundPage from './components/NotFoundPage';
const router = (
<Provider store={store}>
<Router history={history} >
<Route path="/" component={App}>
<IndexRoute component={Home} />
<Route path="/contact" component={Contact} />
<Route path="*" component={NotFoundPage} />
</Route>
</Router>
</Provider>
);
render(router, document.getElementById('app'));
감속기 :
import * as constants from '../constants/constants';
const initialState = {
movies: [],
isFetching: false,
errorMessage: null
};
const moviesReducer = (state = initialState, action) => {
switch (action.type) {
case constants.FETCH_MOVIES :
return {
...state,
isFetching: true
};
case constants.FETCH_MOVIES_SUCCESS :
return {
...state,
movies: [action.data],
isFetching: false
};
case constants.FETCH_MOVIES_ERROR :
return {
...state,
isFetching: false,
errorMessage: action.message
};
default :
return state;
}
};
export default moviesReducer;
당신이 영화들은 후 업데이트됩니다 감속기를 표시 할 수 있습니다 가져온거야? –
@ Radio-updated – erichardson30
'mapStateToProps' 함수에'debugger'를 넣으십시오. 들어오는'state' 인수에 데이터가 포함되어 있습니까? – lux