react-native - 在 native react 中将图像转换为 base64

Question

我使用了 react-native-image-picker，现在我从照片库中选择图像。要将图像发送到 API，我必须先将其转换为 base64，然后再转换为字节数组。我在 response.uri 中有文件路径。我该怎么做？
当我做 console.log(response) 我得到这个结果

'Response = ', {
  fileSize: 6581432,
  longitude: -17.548928333333333,
  uri: 'file:///Users/shubhamb/Library/Developer/CoreSimulator/Devices/B58314DF-F0A9-48D2-B68A-984A02271B72/data/Containers/Data/Application/63143214-8A03-4AC8-A79C-42EC9B82E841/tmp/2AACBC57-0C07-4C98-985E-154668E6A384.jpg',
  fileName: 'IMG_0003.JPG',
  latitude: 65.682895,
  origURL: 'assets-library://asset/asset.JPG?id=9F983DBA-EC35-42B8-8773-B597CF782EDD&ext=JPG',
  type: 'image/jpeg',
  height: 2002,
  width: 3000,
  timestamp: '2012-08-08T18:52:11Z',
  isVertical: false,
}

Answer 1

由于您使用的是 react-native-image-picker ，它已经在其响应中返回 Base64 值

ImagePicker.showImagePicker(options, (response) => {
  const base64Value = response.data;
});

Documentation for the response