标签:src js react rnTest Details import 水滴石穿 navigation
其实就是一个小的demo,不过代码分的挺精巧的
先放地址:https://github.com/linchengzzz/rnTest
来看看效果
确实没有什么可以说的,不过代码部分还行
先入口文件
//index.js
/** @format */
import {AppRegistry} from 'react-native';
import App from './src/App';
import {name as appName} from './src/app.json';
AppRegistry.registerComponent(appName, () => App);
看一下项目目录
在app.js中我们会引用
//src/App.js
import React from "react";
import { createAppContainer} from "react-navigation";
//定义的是
import RootStack from './navigation/RootStack';
const AppContainer = createAppContainer(RootStack);
export default class App extends React.Component {
render() {
return <AppContainer />;
}
}
在appNavigator中是可渲染页面的切换入口
//src/navigation/AppNavigator.js
import {createStackNavigator} from "react-navigation";
//引入home页面
import HomeScreen from '../pages/Home';
//引入详情页
import DetailsScreen from '../pages/Details';
export default createStackNavigator({
Home: {
screen: HomeScreen,
mode: 'card'
},
Details: {
screen: DetailsScreen,
mode: 'card'
}
});
rootstack.js可以看作是根引用tab切换目录
//src/navigation/RootStack.js
import {createStackNavigator} from "react-navigation";
import AppNavigator from './AppNavigator';
export default createStackNavigator(
{
Main: {
screen: AppNavigator,
}
},
{
mode: 'card',
headerMode: 'none',
}
);
接下来看页面
//src/pages/Home.js
import React from "react";
import {Button, Text, View} from "react-native";
export default class HomeScreen extends React.Component {
render() {
return (
<View style={{flex: 1, alignItems: "center", justifyContent: "center"}}>
<Text>Home Screen</Text>
<Button
title="Go to Details"
onPress={() => this.props.navigation.navigate('Details', {name: 'linchengzzz'})}
/>
</View>
);
}
}
//src/pages/Details.js
import React from "react";
import {Button, Text, View} from "react-native";
export default class DetailsScreen extends React.Component {
render() {
const { navigation } = this.props;
const name = navigation.getParam('name');
return (
<View style={{ flex: 1, alignItems: "center", justifyContent: "center" }}>
<Text>Details Screen {name}</Text>
<Button
title="Go to Details.t.. again"
onPress={() => this.props.navigation.push('Details')}
/>
<Button
title="Go to Home"
onPress={() => this.props.navigation.navigate('Home')}
/>
<Button
title="Go back"
onPress={() => this.props.navigation.goBack()}
/>
</View>
);
}
}
哎,,,,,,就那里一点是亮点
标签:src,js,react,rnTest,Details,import,水滴石穿,navigation 来源: https://www.cnblogs.com/smart-girl/p/10917066.html
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