替换数组react native中的项

state = {
  items: ['Item 1', 'Item 2', 'Item 3']
};

replaceItem = (index, newItem) => {
  const { items } = this.state;
  items.splice(index, 1, newItem);
  this.setState({ items });
};

renderItems = () => {
  const { items } = this.state;
  return items.map((item, index) => (
    <View key={index}>
      <Text>{item}</Text>
      <Button
        title="Replace"
        onPress={() => this.replaceItem(index, 'New Item')}
      />
    </View>
  ));
};

render() {
  return (
    <View>
      {this.renderItems()}
    </View>
  );
}