我正在尝试使用带有React-Native / Redux的firebase我需要在每次用户登录或注销时发送操作.如何从根组件调度操作? class App extends Component { componentWillMount() { firebase.auth().onAuthStateChanged((user
class App extends Component {
componentWillMount() {
firebase.auth().onAuthStateChanged((user) => {
if (user) {
// Dispatch Action here
} else {
// Disptach Action here
}
});
}
render() {
const store = createStore(reducers, {}, applyMiddleware(ReduxThunk));
return (
<Provider store={store}>
<Router />
</Provider>
);
}
}
export default App;
class App extends Component {
constructor() {
this.store = createStore(reducers, {}, applyMiddleware(ReduxThunk));
}
componentWillMount() {
firebase.auth().onAuthStateChanged((user) => {
if (user) {
this.store.dispatch(...);
} else {
this.store.dispatch(...);
}
});
}
render() {
return (
<Provider store={this.store}>
<Router />
</Provider>
);
}
}
export default App;
并且不要在render()函数中产生任何副作用.它必须是纯粹的功能.
