app-zj/lib/network/my_api.dart

import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';

import 'api.dart';

class MyApi {
  MyApi._();

  static String productUrl = 'http://121.36.17.6:49099';
  static String testUrl = 'http://121.36.17.6:19090';

  static Api get({Dio? dio, String? baseUrl}) {

    if (kReleaseMode) {
      baseUrl ??= productUrl;
    } else {
      baseUrl ??= testUrl;
    }
    return Api(dio: dio, baseUrl: baseUrl);
  }
}