使用: “ @ react-navigation / drawer”:“ ^ 5.4.0”, “ @ react-navigation / native”:“ ^ 5.1.4”,
App.js:
import { createDrawerNavigator } from '@react-navigation/drawer';
...
const Drawer = createDrawerNavigator();
const DrawerRender = () => {
return (
<NavigationContainer>
<Drawer.Navigator drawerContent={props => <DrawerContent {...props} />}>
<Drawer.Screen name="Home" component={Home} />
<Drawer.Screen name="Screen1" component={Screen1} options={{unmountOnBlur: true, gestureEnabled: false}} />
<Drawer.Screen name="Screen2" component={Screen2} options={{unmountOnBlur: true, gestureEnabled: false}} />
</Drawer.Navigator>
</NavigationContainer>
);}
从Screen1:
navigateToPage = page_id => {
this.closeCommentScreen();
this.reopenModal = true;
this.props.navigation.navigate('Screen2', {'page_id': 'testing'});
}
在屏幕上2:
export default class Screen2 extends React.Component {
constructor(props) {
super(props);
}
componentDidMount() {
let id = this.props.navigation.state.params.page_id
...
我尝试打印“ this.props.navigation”,但它始终返回空字典{},因此params是未定义的。
我在做什么错了?
答案 0 :(得分:3)
是this.props.route.params
请参阅升级指南https://reactnavigation.org/docs/upgrading-from-4.x#separate-route-prop