javascript - 在 app.js 中出现此错误，尝试再次运行此代码，但得到相同的错误帮助我

Question

import { createAppContainer } from 'react-navigation';
import { createStackNavigator } from 'react-navigation-stack';
import HomeScreen from "./src/screens/HomeScreen";
import ComponentsScreen "./src/screens/ComponentsScreen";

const navigator = createStackNavigator(
    {
		Home: HomeScreen,
		Components: ComponentsScreen,
	},
	{
		initialRouteName: 'Components',
		defaultNavigationOptions: {
			title: 'App'
		}	
	}
);

  export default createAppContainer(Navigator);

当我尝试使用 expo 在移动设备中运行代码时出现此错误

在移动设备中运行时 app.js 文件中出现此错误帮助我

标签： javascriptreactjsreact-nativereact-native-android

Answer 1

You're missing the from on the fourth line.

Change:

import ComponentsScreen "./src/screens/ComponentsScreen";

To:

import ComponentsScreen from "./src/screens/ComponentsScreen";