如何在flutter web程序中压缩图像

dependencies:
  image_picker: ^0.8.4+4
  flutter_image_compress: ^1.0.0

<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

import 'package:image_picker/image_picker.dart';

final picker = ImagePicker();

Future<void> pickImage() async {
  final pickedFile = await picker.getImage(source: ImageSource.gallery);
  if (pickedFile != null) {
    // 图像选择成功
    compressImage(File(pickedFile.path));
  }
}

import 'package:flutter_image_compress/flutter_image_compress.dart';

Future<void> compressImage(File file) async {
  final result = await FlutterImageCompress.compressWithFile(
    file.absolute.path,
    quality: 85, // 压缩质量，0-100之间
  );
  
  // 压缩后的图像文件
  final compressedFile = File(file.path)..writeAsBytesSync(result);
  
  // 处理压缩后的图像文件，例如上传到服务器或保存到本地
  // ...
}