mpay_plugin 1.3.0

Flutter plugin integrating the Macau Pass (MPay) payment platform into Android and iOS apps. Provides the MPay unified channel, direct Alipay, direct WeChat Pay (mainland), Hong Kong WeChat Wallet, an [...]

example/lib/main.dart

import 'dart:convert';

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:mpay_plugin/arguments.dart';
import 'dart:async';
import 'package:mpay_plugin/mpay_plugin.dart';
import 'package:logger/logger.dart';
import 'package:mpay_plugin/mpay_plugin_platform_interface.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:mpay_plugin/qr_pay.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _mPayPlugin = MpayPlugin();
  late Dio dio;
  String payInfo =
  """_input_charset=\"UTF-8\"&body=\"Product\"&currency=\"HKD\"&forex_biz=\"FP\"&it_b_pay=\"179m\"&notify_url=\"https://api.yedpay.com/notify/alipay-online\"&out_trade_no=\"169034360430235\"&partner=\"2088721929663896\"&payment_type=\"1\"&product_code=\"NEW_WAP_OVERSEAS_SELLER\"&return_url=\"https://api.yedpay.com/alipay-online\"&secondary_merchant_id=\"2NMJVPOMGD3YO70RL8\"&secondary_merchant_industry=\"7538\"&secondary_merchant_name=\"TTECH Global Service Limited\"&seller_id=\"2088721929663896\"&service=\"mobile.securitypay.pay\"&sign=\"bKSHYm91pFmKAD%2FCTr5K0B9%2F2dHHuykSkcVP9WJIpBlxthz5LkAwkqkRENFrKgOfd3JNSlth3KdkbZ9EB9aWpTm1zuGMJ2wwgljoi2jsUNao5y3AbkZfBQ1vgD8KT6UdHmPq%2BckZUoqNqr4MjN4bVNYAb4xXBGVw9Xh%2B%2Bch6AUjmKqXt3R8qk4NG4w9xgsDgItFxdiOeNPoBkbSc19FwwCqrEwwQ%2BEHyTTfgSk3UJ9yl3R2JL1r%2Fi2nNDOLFuXGzExOQPipr6KtKjQ1rS5oF3KAkaCIpLugNT4LfkSMS3gf0ohBOcr%2BA%2FBDFVG3u4xOHD84yUxmHMDJNuupOLyF8%2BA%3D%3D\"&sign_type=\"RSA\"&subject=\"Product\"&total_fee=\"0.20\"""";

  Future<void> registerWeChat() async {
    var aa = await _mPayPlugin.registerApi(
      appId: "YOUR_APPID",
      doOnIOS: true,
      doOnAndroid: true,
      universalLink: "YOUR_UNIVERSALINK",
    );
    Logger().i(aa);
  }

  @override
  void initState() {
    super.initState();
    registerWeChat();
    _mPayPlugin.init(
      aliPayEnv: AliPayEnv.ONLINE,
      mPayEnv: MPayEnv.UAT,
    );
    dio = Dio();
    dio.options.baseUrl = "YOUR_BASER_URL";
    dio.options.connectTimeout = const Duration(seconds: 15);
    dio.options.receiveTimeout = const Duration(seconds: 15);
    dio.interceptors.add(LogInterceptor(responseBody: true));
    // 添加请求头
    dio.options.headers["auth-token"] =
    "eyJhbGciOiJIUzI1NiJ9.eyJ1SWQiOjE2LCJzdWIiOiJUb2tlbiIsImF1ZCI6ImFIdUhrQiIsInRlbmFudEtleSI6ImFkbWluIiwibmFtZSI6IjE5ODA3MDU3NDRAcXEuY29tIiwiZXhwIjoxNzE2ODg5NTc5LCJkZXZpY2UiOiJhcHAiLCJpYXQiOjE3MTY4MDMxNzl9.lg0gnv-U4w7u0akVgsy5zNmVvF2NsJ-El8KssLBG0PM";
    dio.options.headers["content-type"] = "application/x-www-form-urlencoded";
    dio.interceptors.add(
      InterceptorsWrapper(
        onRequest: (RequestOptions options, RequestInterceptorHandler handler) {
          Logger().i(options.data);
          Logger().i(options.path);
          return handler.next(options);
        },
        onResponse: (Response response, ResponseInterceptorHandler handler) {
          Logger().i(response.data);
          return handler.next(response);
        },
        onError: (DioException e, ErrorInterceptorHandler handler) {
          Logger().i(e);
          return handler.next(e);
        },
      ),
    );
  }

  Future<void> pay(String type) async {
    EasyLoading.show(status: "loading...", maskType: EasyLoadingMaskType.black);
    Map<String, dynamic> datas = {
      "payChannel": type,
      "totalFee": "5",
      "currency": "MOP",
      "subject": "测试订单",
      "body": "测试app验签支付"
    };
    var response =
    await dio.post("test/merchantSign", data: FormData.fromMap(datas));

    String jsonString = json.encode(response.data["data"]["signData"]);
    Logger().i(jsonString);
    try {
      PayChannel payChannel = PayChannel.aliPay;
      if (type == "mpay") {
        payChannel = PayChannel.mPay;
      } else if (type == "alipay") {
        payChannel = PayChannel.aliPay;
      } else {
        payChannel = PayChannel.wechatPay;
      }
      var result = await _mPayPlugin.mPay(jsonString, payChannel);
      if (result.resultStatus == "9000") {
        EasyLoading.showSuccess("支付成功");
      } else {
        EasyLoading.showError(result.result ?? "");
      }
      Logger().i(result.toString());
      EasyLoading.dismiss();
    } catch (e) {
      EasyLoading.dismiss();
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        primarySwatch: Colors.indigo,
        elevatedButtonTheme: ElevatedButtonThemeData(
          style: ButtonStyle(
            backgroundColor: MaterialStateProperty.all(Colors.indigo),
            foregroundColor: MaterialStateProperty.all(Colors.white),
          ),
        ),
      ),
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: SingleChildScrollView(
          child: SizedBox(
            height: MediaQuery.of(context).size.height -
                MediaQuery.of(context).padding.top -
                kToolbarHeight,
            width: MediaQuery.of(context).size.width,
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.center,
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                ElevatedButton(
                  onPressed: () => pay("mpay"),
                  style: ButtonStyle(
                    backgroundColor: MaterialStateProperty.all(Colors.indigo),
                  ),
                  child: const Text("MPay"),
                ),
                ElevatedButton(
                  onPressed: () => pay("alipay"),
                  style: ButtonStyle(
                    backgroundColor: MaterialStateProperty.all(Colors.indigo),
                  ),
                  child: const Text("AliPay"),
                ),
                ElevatedButton(
                  onPressed: () =>
                      _mPayPlugin.aliPay(payInfo, "com.mpay_plugin.demo"),
                  style: ButtonStyle(
                    backgroundColor: MaterialStateProperty.all(Colors.indigo),
                  ),
                  child: const Text("Not MPayAliPay"),
                ),
                ElevatedButton(
                  onPressed: () async {
                    var response = await dio.post(
                      "/appApi/payment",
                      data: {
                        "orderNo": "2024052717420001",
                        "mechanism": "CHINAUMS",
                        "channel": "wechat",
                        "terminal": "APP",
                        "wallet": "HK",
                        "currency": "CNY"
                      },
                    );
                    var paymentNo = findKeyAsString(response.data, "paymentNo");
                    var errCode = findKeyAsString(response.data, "errCode");
                    if (errCode == "SUCCESS") {
                      var result = json.decode(response.data["data"]["result"]["payInfo"]);
                      Logger().d(result);
                      if (result != null) {
                        Payment payType = Payment(
                            appId: findKeyAsString(result, "appid") ?? '',
                            partnerId: findKeyAsString(result, "partnerid") ?? '',
                            prepayId: findKeyAsString(result, "prepayid") ?? '',
                            packageValue: findKeyAsString(result, "package") ?? '',
                            nonceStr: findKeyAsString(result, "noncestr") ?? '',
                            timestamp: int.tryParse(
                                findKeyAsString(result, "timestamp") ?? '0') ??
                                0,
                            sign: findKeyAsString(result, "sign") ?? '');
                        var payWechat = await _mPayPlugin.wechatPay(payType);

                        Logger().d("微信支付 result回调${payWechat.toJson()}");
                      }
                    } else {

                      Logger().d("微信支付申请异常");
                    }
                  },
                  style: ButtonStyle(
                    backgroundColor: MaterialStateProperty.all(Colors.indigo),
                  ),
                  child: const Text("WeChatPay"),
                ),
                ElevatedButton(
                  onPressed: () => Navigator.of(context).push(MaterialPageRoute(
                    builder: (_) => Scaffold(
                      appBar: AppBar(title: const Text('扫码支付')),
                      body: const Center(
                        child: Column(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: [
                            // 演示用静态示例码；真实场景由商户服务端下发：
                            // 支付宝 precreate 返回 qr_code
                            Text('支付宝（qr_code）'),
                            SizedBox(height: 8),
                            QrPayView(
                              code:
                                  'https://qr.alipay.com/bax00000000000000000000000000000000',
                              size: 200,
                            ),
                            SizedBox(height: 32),
                            // 微信统一下单(NATIVE) 返回 code_url
                            Text('微信（code_url）'),
                            SizedBox(height: 8),
                            QrPayView(
                              code:
                                  'weixin://wxpay/bizpayurl?pr=00000000000000000000',
                              size: 200,
                            ),
                          ],
                        ),
                      ),
                    ),
                  )),
                  style: ButtonStyle(
                    backgroundColor: MaterialStateProperty.all(Colors.indigo),
                  ),
                  child: const Text("QR Pay"),
                ),
              ],
            ),
          ),
        ),
      ),
      builder: EasyLoading.init(),
    );
  }

  static String? findKeyAsString(Map<dynamic, dynamic> data, String key) {
    // 检查当前层级的Map中是否包含key
    if (data.containsKey(key)) {
      // 确保返回值为字符串类型
      return data[key]?.toString();
    }

    // 如果没有找到，递归检查每个嵌套的Map
    for (var value in data.values) {
      if (value is Map) {
        String? result = findKeyAsString(value, key);
        if (result != null) {
          return result;
        }
      }
    }
    // 如果所有路径都没有找到，则返回null
    return null;
  }
}