FlatList似乎不起作用.我收到了这个警告.
VirtualizedList:缺少项目的键,确保在每个项目上指定键属性或提供自定义keyExtractor.
码:
- <FlatList
- data={[{name: 'a'},{name: 'b'}]}
- renderItem={
- (item) => <Text key={Math.random().toString()}>{item.name}</Text>
- }
- key={Math.random().toString()} />
只需这样做:
- <FlatList
- data={[{name: 'a'},{name: 'b'}]}
- renderItem={
- (item) => <Text>{item.name}</Text>
- }
- keyExtractor={(item,index) => index}
- />
资料来源:here