Javascript 使用React样式表对象创建方法,使其能够正常工作&;是否有必须键入的特定方法来解决TypeError?
前一天,此生成运行时没有错误。 我使用AVD作为模拟器,从命令行运行。 我可以看到应用程序“在25秒内成功构建” ... 节点就是我看到错误显示的地方。如何使条目文件正确 ///这是从TicketPurchase.js导入的内容Javascript 使用React样式表对象创建方法,使其能够正常工作&;是否有必须键入的特定方法来解决TypeError?,javascript,android,react-native,Javascript,Android,React Native,前一天,此生成运行时没有错误。 我使用AVD作为模拟器,从命令行运行。 我可以看到应用程序“在25秒内成功构建” ... 节点就是我看到错误显示的地方。如何使条目文件正确 ///这是从TicketPurchase.js导入的内容 import { StyleSheet, Text, View, Image, TextInput, Alert, TouchableOpacity } from 'react-native'; import globoTickets from './TicketsD
import { StyleSheet, Text, View, Image, TextInput, Alert, TouchableOpacity } from 'react-native';
import globoTickets from './TicketsDB';
//这是定义吗
const ticketItem = ({ item }) => {
return (
<View style={StyleSheet.tickets}>
<View>
<Image
style={StyleSheet.img}
source={item.image}
/>
</View>
<View>
<Text style={styles.tickettitle}>
{item.event}
</Text>
<Text style={styles.ticketshortdescription}>
{item.shortDescription}
</Text>
<Text
style={styles.ticketdescription}
numberOfLines={2}
ellipsizeMode="tail"
>
{item.description}
</Text>
<Text style={styles.ticketshortdescription}>
Price: {item.price}
</Text>
<TouchableOpacity
onPress={() => {
navigation.navigate('Purchase', { tickId: item.eventId });
}}
style={styles.button}
>
<Text style={styles.ticketbutton}>GET TICKETS</Text>
</TouchableOpacity>
</View>
</View>
);
};
return (
<View style={styles.container}>
<FlatList
data={globoTickets}
renderItem={ticketItem}
keyExtractor={(item) => item.eventId}
/>
</View>
);
};
const styles = StyleSheet.create({
container: {
paddingTop: 15,
paddingBottom: 15,
},
tickets: {
flexDirection: 'column',
},
img: {
height: 180,
width: '100%',
},
tickettitle: {
fontFamily: 'Ubuntu-Regular',
fontWeight: 'bold',
textAlign: 'center',
},
ticketshortdescription: {
fontFamily: 'Ubuntu-Light',
fontWeight: '600',
textAlign: 'center',
paddingTop: 5,
},
ticketdescription: {
fontFamily: 'Ubuntu-Light',
fontWeight: '600',
padding: 15,
},
ticketbutton: {
fontFamily: 'Ubuntu-Regular',
fontWeight: 'bold',
textAlign: 'center',
paddingBottom: 15,
paddingTop: 5,
},
});
export default Tickets;
常量ticketItem=({item})=>{
返回(
{item.event}
{item.shortDescription}
{item.description}
价格:{item.Price}
{
navigation.navigate('Purchase',{tickId:item.eventId});
}}
style={style.button}
>
买票
);
};
返回(
item.eventId}
/>
);
};
const styles=StyleSheet.create({
容器:{
paddingTop:15,
填充底部:15,
},
门票:{
flexDirection:'列',
},
img:{
身高:180,
宽度:“100%”,
},
票证:{
fontFamily:'Ubuntu常规',
fontWeight:'粗体',
textAlign:'中心',
},
票证摘要说明:{
fontFamily:“Ubuntu灯光”,
重量:'600',
textAlign:'中心',
paddingTop:5,
},
票证说明:{
fontFamily:“Ubuntu灯光”,
重量:'600',
填充:15,
},
售票按钮:{
fontFamily:'Ubuntu常规',
fontWeight:'粗体',
textAlign:'中心',
填充底部:15,
paddingTop:5,
},
});
导出默认票据;
import { StyleSheet, Text, View, FlatList, Image, TouchableOpacity } from 'react-native';
import globoTickets from './TicketsDB';
const ticketItem = ({ item }) => {
return (
<View style={StyleSheet.tickets}>
<View>
<Image
style={StyleSheet.img}
source={item.image}
/>
</View>
<View>
<Text style={styles.tickettitle}>
{item.event}
</Text>
<Text style={styles.ticketshortdescription}>
{item.shortDescription}
</Text>
<Text
style={styles.ticketdescription}
numberOfLines={2}
ellipsizeMode="tail"
>
{item.description}
</Text>
<Text style={styles.ticketshortdescription}>
Price: {item.price}
</Text>
<TouchableOpacity
onPress={() => {
navigation.navigate('Purchase', { tickId: item.eventId });
}}
style={styles.button}
>
<Text style={styles.ticketbutton}>GET TICKETS</Text>
</TouchableOpacity>
</View>
</View>
);
};
return (
<View style={styles.container}>
<FlatList
data={globoTickets}
renderItem={ticketItem}
keyExtractor={(item) => item.eventId}
/>
</View>
);
};
const styles = StyleSheet.create({
container: {
paddingTop: 15,
paddingBottom: 15,
},
tickets: {
flexDirection: 'column',
},
img: {
height: 180,
width: '100%',
},
tickettitle: {
fontFamily: 'Ubuntu-Regular',
fontWeight: 'bold',
textAlign: 'center',
},
ticketshortdescription: {
fontFamily: 'Ubuntu-Light',
fontWeight: '600',
textAlign: 'center',
paddingTop: 5,
},
ticketdescription: {
fontFamily: 'Ubuntu-Light',
fontWeight: '600',
padding: 15,
},
ticketbutton: {
fontFamily: 'Ubuntu-Regular',
fontWeight: 'bold',
textAlign: 'center',
paddingBottom: 15,
paddingTop: 5,
},
});
export default Tickets;