import React, { Component } from 'react';
import { View, Text, FlatList } from 'react-native';
import axios from 'axios';

class MyComponent extends Component {
  constructor(props) {
    super(props);
    this.state = {
      data: [],
    };
  }

  componentDidMount() {
    axios.get('https://api.example.com/data') // 替换为你要请求的外部API地址
      .then(response => {
        this.setState({ data: response.data });
      })
      .catch(error => {
        console.log(error);
      });
  }

  renderItem = ({ item }) => (
    <View>
      <Text>{item.title}</Text>
      <Text>{item.description}</Text>
    </View>
  );

  render() {
    return (
      <View>
        <FlatList
          data={this.state.data}
          renderItem={this.renderItem}
          keyExtractor={item => item.id.toString()}
        />
      </View>
    );
  }
}

export default MyComponent;