@实际上，该符号是一个JavaScript表达式，用于表示装饰器：
没有装饰
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | import React from 'react'; import * as actionCreators from './actionCreators'; import { bindActionCreators } from 'redux'; import { connect } from 'react-redux'; function mapStateToProps(state) { return { todos: state.todos }; } function mapDispatchToProps(dispatch) { return { actions: bindActionCreators(actionCreators, dispatch) }; } class MyApp extends React.Component { // ...define your main app here } export default connect(mapStateToProps, mapDispatchToProps)(MyApp); |
使用装饰器
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | import React from 'react'; import * as actionCreators from './actionCreators'; import { bindActionCreators } from 'redux'; import { connect } from 'react-redux'; function mapStateToProps(state) { return { todos: state.todos }; } function mapDispatchToProps(dispatch) { return { actions: bindActionCreators(actionCreators, dispatch) }; } @connect(mapStateToProps, mapDispatchToProps) export default class MyApp extends React.Component { // ...define your main app here } |