在React Native expo中使用压缩器

npm install react-native-image-picker

import ImagePicker from 'react-native-image-picker';

ImagePicker.showImagePicker(options, (response) => {
  if (response.didCancel) {
    console.log('用户取消了选择图片');
  } else if (response.error) {
    console.log('选择图片时出现错误:', response.error);
  } else {
    // 压缩图片
    const compressedImage = compressImage(response.uri);

    // 处理压缩后的图片
    // ...
  }
});

import { Image } from 'react-native';

const compressImage = (uri) => {
  const compressedURI = uri.replace('file://', ''); // 去掉前缀
  const compressedImage = Image.resolveAssetSource({ uri: compressedURI });

  // 执行压缩算法，可以使用第三方库如react-native-image-resizer或sharp等

  return compressedImage.uri;
};