Flutter 区分开发环境和生产环境

    Uri _baseUrl;

    final isProd = const bool.fromEnvironment('dart.vm.product');

    if (isProd) {
      _baseUrl = Uri.parse('https://96.45.181.208:5000/');
    } else {
      _baseUrl = Uri.parse('https://dev.ajanuw.com:5000/');
    }