React native 从平面列表组件向屏幕传递数据
我创建了一个名为AchieventBlock的自定义组件,如下所示:React native 从平面列表组件向屏幕传递数据,react-native,react-navigation,react-native-flatlist,React Native,React Navigation,React Native Flatlist,我创建了一个名为AchieventBlock的自定义组件,如下所示: import React from 'react'; import { View, StyleSheet, Image, TouchableOpacity } from 'react-native'; const AchievementBlock = ({ onPress }) => { return ( <TouchableOpacity onPress={onPress}>
import React from 'react';
import { View, StyleSheet, Image, TouchableOpacity } from 'react-native';
const AchievementBlock = ({ onPress }) => {
return (
<TouchableOpacity onPress={onPress}>
<View style={styles.AchievmentBlockStyle}>
<Image source={require('../../assets/images/Placeholder_Achievement.png')} />
</View>
</TouchableOpacity>
)
}
return (
<View style={styles.container}>
<FlatList
data={tournaments}
numColumns={3}
keyExtractor={(tournaments) => {tournaments.title}}
renderItem={({ item }) => {
return (
<AchievementBlock
title={item.title}
placement={item.placement}
onPress={() => navigation.navigate('Achievement')}/>
)
}}
/>
</View>
)
然后我返回如下:
import React from 'react';
import { View, StyleSheet, Image, TouchableOpacity } from 'react-native';
const AchievementBlock = ({ onPress }) => {
return (
<TouchableOpacity onPress={onPress}>
<View style={styles.AchievmentBlockStyle}>
<Image source={require('../../assets/images/Placeholder_Achievement.png')} />
</View>
</TouchableOpacity>
)
}
return (
<View style={styles.container}>
<FlatList
data={tournaments}
numColumns={3}
keyExtractor={(tournaments) => {tournaments.title}}
renderItem={({ item }) => {
return (
<AchievementBlock
title={item.title}
placement={item.placement}
onPress={() => navigation.navigate('Achievement')}/>
)
}}
/>
</View>
)
但这不起作用,而且我还是React Native的初学者,似乎找不到解决方案,无法正常使用navigation.getParam()函数将每个项目的数据拉到屏幕上
我做错了什么?在最佳实践中我将如何实现这一点?当
React导航
v5使用该功能时,您走的是正确的道路
导航
但是,在params参数中传递item的键/值的方式不正确
试着用以下方法解构
onPress={
() => navigation.navigate('Achievement', { ...item })
}
如果要设置键/值,请显式传入键
onPress={
() => navigation.navigate('Achievement', {
title: item.title,
logo: item.logo,
placement: item.placement,
desc: item.desc
})
}
通过导航传递数据
export const Achievement = ({route}) => {
const name = route.params.name;
const logo = route.params.logo;
}
您可以通过导航传递数据,如下所示
onPress={
() => navigation.navigate('Achievement', {
name: item.name,
logo: item.logo,
})
}
访问下一屏幕中的数据
export const Achievement = ({route}) => {
const name = route.params.name;
const logo = route.params.logo;
}
用下面的
{…item}
解构项目,例如导航('Achatization',{…item})
谢谢@denis-非常感谢这项工作,似乎我已经接近解构并将其传递下去了。