运行 onpress 功能时出现问题：反应导航

Question

我只想在单击“Enter”按钮时被重定向到我的“个人资料”页面。我不知道这是否是正确的方法，但我的主页是 App.js，它包含我的按钮和图像。对不起，我是初学者，而且是法语！

app.js

import 'react-native-gesture-handler';
import React from 'react';
import DisplayAnImage from './Components/DisplayAnImage';
import Profile from './Components/Profile';
import { Enter } from './Components/Enter';
import { StyleSheet, Text, ScrollView } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createStackNavigator } from '@react-navigation/stack';




export default class App extends React.Component {
  render() {
    return (
      <ScrollView style={{ flex: 1 }}>
        <DisplayAnImage/>
        <Enter/>
      </ScrollView>
    )
  }
}

进入.js

import React from 'react';
import { Platform, StyleSheet, Text, View, Image, Button, Alert, SafeAreaView } from 'react-native';
import Profile from './Profile.js';
import { createStackNavigator } from '@react-navigation/stack';
import { StackNavigator } from  'react-navigation';




export const Enter = ({ navigation }) => {
  return (
    <SafeAreaView style={styles.Button}>
      <View>
        <Button
          title="Entrer"
          color="#FFFFFF"
          onPress={() => this.props.navigation.navigate('Profile')}
        />
      </View>
    </SafeAreaView>
  );
}





const styles = StyleSheet.create({
  Button: {
    flex: 1,
    marginHorizontal: 120,
    borderRadius: 20,
    backgroundColor: '#1067b3'
    },
  title: {
    textAlign: 'center',
    marginVertical: 8,
  },
  fixToText: {
    flexDirection: 'row',
    justifyContent: 'space-between',
  },
  separator: {
    marginVertical: 8,
    borderBottomColor: '#737373',
    borderBottomWidth: StyleSheet.hairlineWidth,
  },
});

profile.js

import React, {Component} from 'react';
import { View, Text } from 'react-native';


export default class Profile extends React.Component {
    render() {
        return (
            <View>
                <Text>Profile</Text>
            </View>
            );
    }
}

非常感谢您的帮助

Answer 1

您正在从功能组件中调用“this”。请改一下

onPress={() => this.props.navigation.navigate('Profile')}

到

onPress={() => navigation.navigate('Profile')}