flutter Asset类型图片转base64

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于 2024-12-23 15:04:37 发布

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本文链接：https://blog.youkuaiyun.com/androidhyf/article/details/144667518

  /*
  * Asset类型图片转base64
  * */
  imageToUint8List(List<Asset> imageList) async {
    Completer<List<String>> _completer = Completer<List<String>>();
    List<String> dataList = [];
    if(imageList.length > 0){
      for (int i = 0; i < imageList.length; i++) {
        Asset asset = imageList[i];
        ByteData byteData = await asset.getByteData();
        var imageBase64 = base64.encode(Uint8List.view(byteData.buffer));
        dataList.add(imageBase64);
      }
      _completer.complete(dataList);
    }
    return _completer.future;
  }