TypeError: Cannot read property 'container' of undefined
TypeError: Cannot read property 'container' of undefined
我正在尝试在我的项目中添加全局样式表,因为它在不同页面上具有相同的内容。所以,为了改进我的工作,我想这样做。这是我的全局样式表代码
import {StyleSheet} from 'react-native';
export const globalStyles = StyleSheet.create({
container: {
padding: 24,
flex: 1,
backgroundColor: '#fbb1'
},
titleText:{
fontFamily: 'Nunito-Black',
fontSize: 20,
color: '#333'
},
paragraph:{
marginVertical: 8,
lineHeight: 20
}
})
在那之前一切顺利。但是每当我尝试 运行 它时,它都会给我以下错误。
TypeError: Cannot read property 'container' of undefined
5 | export default function Home() {
6 | return (
> 7 | < View style = { globalStyles.container }>
| ^
8 | <Text style= {globalStyles.titleText}> This is Home Screen </Text>
9 | </View >
10 | )
at Home (screens/home.js:7:39)
at renderWithHooks (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:5552:18)
at mountIndeterminateComponent (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:7918:13)
at beginWork (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:9019:16)
at performUnitOfWork (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:12649:12)
at workLoopSync (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:12622:22)
at performSyncWorkOnRoot (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:12333:9)
at node_modules/react-test-renderer/cjs/react-test-renderer.development.js:1825:24
at unstable_runWithPriority (node_modules/scheduler/cjs/scheduler.development.js:653:12)
at runWithPriority (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:1775:10)
这是我的主屏幕代码:
import React from 'react';
import { Text, View, Image } from 'react-native';
import{globalStyles } from '../styles/global';
export default function Home() {
return (
< View style = {globalStyles.container}>
<Text style= {globalStyles.titleText}> This is Home Screen </Text>
</View >
)
}
请告诉我我做错了什么。因为我是初学者。我已经尝试了一些方法,但 none 有效
所以,他在这里告诉你的是他没有看到你的 globalStyles。
检查您是否输入错误。
尝试使用默认导出
export default StyleSheet.create({
container: {
padding: 24,
flex: 1,
backgroundColor: '#fbb1'
},
titleText:{
fontFamily: 'Nunito-Black',
fontSize: 20,
color: '#333'
},
paragraph:{
marginVertical: 8,
lineHeight: 20
}})
在组件中
import customStyle from '../styles/global';
我正在尝试在我的项目中添加全局样式表,因为它在不同页面上具有相同的内容。所以,为了改进我的工作,我想这样做。这是我的全局样式表代码
import {StyleSheet} from 'react-native';
export const globalStyles = StyleSheet.create({
container: {
padding: 24,
flex: 1,
backgroundColor: '#fbb1'
},
titleText:{
fontFamily: 'Nunito-Black',
fontSize: 20,
color: '#333'
},
paragraph:{
marginVertical: 8,
lineHeight: 20
}
})
在那之前一切顺利。但是每当我尝试 运行 它时,它都会给我以下错误。
TypeError: Cannot read property 'container' of undefined
5 | export default function Home() {
6 | return (
> 7 | < View style = { globalStyles.container }>
| ^
8 | <Text style= {globalStyles.titleText}> This is Home Screen </Text>
9 | </View >
10 | )
at Home (screens/home.js:7:39)
at renderWithHooks (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:5552:18)
at mountIndeterminateComponent (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:7918:13)
at beginWork (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:9019:16)
at performUnitOfWork (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:12649:12)
at workLoopSync (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:12622:22)
at performSyncWorkOnRoot (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:12333:9)
at node_modules/react-test-renderer/cjs/react-test-renderer.development.js:1825:24
at unstable_runWithPriority (node_modules/scheduler/cjs/scheduler.development.js:653:12)
at runWithPriority (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:1775:10)
这是我的主屏幕代码:
import React from 'react';
import { Text, View, Image } from 'react-native';
import{globalStyles } from '../styles/global';
export default function Home() {
return (
< View style = {globalStyles.container}>
<Text style= {globalStyles.titleText}> This is Home Screen </Text>
</View >
)
}
请告诉我我做错了什么。因为我是初学者。我已经尝试了一些方法,但 none 有效
所以,他在这里告诉你的是他没有看到你的 globalStyles。 检查您是否输入错误。
尝试使用默认导出
export default StyleSheet.create({
container: {
padding: 24,
flex: 1,
backgroundColor: '#fbb1'
},
titleText:{
fontFamily: 'Nunito-Black',
fontSize: 20,
color: '#333'
},
paragraph:{
marginVertical: 8,
lineHeight: 20
}})
在组件中
import customStyle from '../styles/global';