10 changed files with 713 additions and 0 deletions
@ -0,0 +1,197 @@ |
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import 'package:get/get.dart'; |
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import 'package:voitrans/data/services/network/api.dart'; |
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|
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import '../../modules/login/controllers/weixinLogin.dart'; |
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|
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typedef PaymentResultCallback = void Function(bool success, String message); |
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|
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/// 支付服务 |
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class PayService extends GetxService { |
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late FlWX _flwx; |
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|
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@override |
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void onInit() { |
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super.onInit(); |
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//微信 |
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FlWX().register( |
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appSecret: '9ceb39df312b3ba95a229b2aa0d15496', |
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appId: 'wx4b5ec8957ad5e425', |
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partnerId: '1719983673', |
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universalLink: 'https://voitrans.net/app/', |
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params: FlWXCallbackParams(onHttp: (url) async { |
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return ''; |
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})); |
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_flwx = FlWX(); |
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} |
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|
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/// 微信支付 |
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/// |
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/// [paymentData] 支付参数，包含以下字段： |
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/// - appId: 应用ID |
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/// - partnerId: 商户号 |
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/// - prepayId: 预支付交易会话ID |
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/// - packageValue: 扩展字段，固定值"Sign=WXPay" |
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/// - nonceStr: 随机字符串 |
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/// - timestamp: 时间戳 |
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/// - sign: 签名 |
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/// |
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/// [onResult] 支付结果回调 |
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Future<bool> wechatPay({ |
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required Map<String, dynamic> paymentData, |
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PaymentResultCallback? onResult, |
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}) async { |
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try { |
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// 检查微信是否安装 |
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if (!await _flwx.isInstalled) { |
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onResult?.call(false, '微信未安装'); |
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return false; |
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} |
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|
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// 将支付数据转换为Payment对象 |
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final payment = paymentData.toPayment(); |
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if (payment == null) { |
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onResult?.call(false, '支付参数格式错误'); |
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return false; |
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} |
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|
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// 调用微信支付 |
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final result = await _flwx.pay( |
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payment, |
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onSuccess: () { |
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onResult?.call(true, '支付成功'); |
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}, |
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onResponse: (response) { |
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if (response.errCode == 0) { |
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onResult?.call(true, '支付成功'); |
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} else if (response.errCode == -2) { |
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onResult?.call(false, '用户取消支付'); |
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} else { |
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onResult?.call(false, '支付失败: ${response.errStr}'); |
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} |
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}, |
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); |
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|
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return result; |
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} catch (e) { |
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onResult?.call(false, '支付异常: $e'); |
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return false; |
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} |
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} |
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|
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/// 创建微信支付订单 |
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/// |
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/// [productId] 商品ID |
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/// [productName] 商品名称 |
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/// [productDesc] 商品描述 |
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/// [amount] 支付金额（分） |
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/// [paymentMethod] 支付方式（1=微信支付） |
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/// [clientIp] 客户端IP（可选） |
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/// [notifyUrl] 通知URL（可选） |
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/// [extraData] 扩展数据（可选） |
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/// |
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/// 返回支付参数，用于调用 [wechatPay] 方法 |
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Future<Map<String, dynamic>?> createWechatPayOrder({ |
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required String productId, |
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required String productName, |
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String? productDesc, |
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required int amount, |
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int paymentMethod = 4, // 1表示微信支付 |
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String? clientIp, |
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String? notifyUrl, |
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String? extraData, |
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}) async { |
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try { |
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// 调用后端API创建支付订单 |
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final response = await Api.paycreateorder({ |
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'product_id': productId, |
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'product_name': productName, |
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'product_desc': productDesc ?? '', |
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'amount': amount, |
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'payment_method': paymentMethod, |
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'client_ip': clientIp ?? '', |
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'notify_url': notifyUrl ?? '', |
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'extra_data': extraData ?? '', |
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}); |
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print('创建支付订单: $response'); |
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// 检查响应是否成功 |
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if (response != null) { |
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final pay_params = response["pay_params"] as Map<String, dynamic>; |
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// 返回微信支付所需的参数 |
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return { |
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'appId': pay_params['appid'], |
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'partnerId': pay_params['partnerid'], |
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'prepayId': pay_params['prepayid'], |
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'packageValue': pay_params['package'] ?? 'Sign=WXPay', |
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'nonceStr': pay_params['noncestr'], |
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'timestamp': pay_params['timestamp'], |
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'sign': pay_params['sign'], |
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}; |
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} else { |
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print('创建支付订单失败: ${response?['message'] ?? '未知错误'}'); |
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return null; |
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} |
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} catch (e) { |
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print('创建支付订单异常: $e'); |
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return null; |
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} |
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} |
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|
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/// 查询支付结果 |
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/// |
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/// [orderId] 订单ID |
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/// 返回支付状态：success, failed, pending |
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Future<String?> queryPaymentStatus(String orderId) async { |
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try { |
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// TODO: 调用后端API查询支付状态 |
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// final response = await Api.queryPaymentStatus({'orderId': orderId}); |
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// return response['status'] as String?; |
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|
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// 临时返回，实际使用时需要删除 |
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return 'pending'; |
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} catch (e) { |
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print('查询支付状态失败: $e'); |
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return null; |
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} |
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} |
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/// 完整的支付流程 |
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/// |
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/// [orderId] 订单ID |
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/// [amount] 支付金额（分） |
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/// [description] 商品描述 |
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/// [userId] 用户ID |
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/// [onResult] 支付结果回调 |
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Future<bool> processWechatPayment({ |
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required String orderId, |
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required int amount, |
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required String description, |
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String? userId, |
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PaymentResultCallback? onResult, |
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}) async { |
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try { |
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// 1. 创建支付订单 |
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final paymentData = await createWechatPayOrder( |
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productId: 'prod_001', |
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productName: '会员充值', |
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productDesc: '1个月会员服务', |
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amount: 1, // 29.99元，单位：分 |
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paymentMethod: 4, // 微信支付 |
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notifyUrl: 'https://api.ideapsound.com/api/home/pay_wechatnotify', |
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); |
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if (paymentData == null) { |
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onResult?.call(false, '创建支付订单失败'); |
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return false; |
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} |
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// 2. 调用微信支付 |
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return await wechatPay( |
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paymentData: paymentData, |
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onResult: onResult, |
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); |
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} catch (e) { |
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onResult?.call(false, '支付流程异常: $e'); |
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return false; |
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} |
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} |
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} |
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@ -0,0 +1,9 @@ |
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import 'package:get/get.dart'; |
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import '../controllers/payment_controller.dart'; |
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|
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class PaymentBinding extends Bindings { |
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@override |
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void dependencies() { |
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Get.lazyPut<PaymentController>(() => PaymentController()); |
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} |
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} |
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@ -0,0 +1,85 @@ |
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import 'package:get/get.dart'; |
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import '../../../data/services/pay_service.dart'; |
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class PaymentController extends GetxController { |
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final PayService _payService = Get.find<PayService>(); |
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// 支付状态 |
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final RxBool isLoading = false.obs; |
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final RxString paymentStatus = ''.obs; |
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final RxString errorMessage = ''.obs; |
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|
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// 测试订单信息 |
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final RxString testOrderId = ''.obs; |
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final RxDouble testAmount = 0.01.obs; // 测试金额 1分钱 |
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@override |
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void onInit() { |
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super.onInit(); |
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// 生成测试订单ID |
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testOrderId.value = 'test_${DateTime.now().millisecondsSinceEpoch}'; |
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} |
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|
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/// 测试微信支付 |
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Future<void> testWechatPayment() async { |
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try { |
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isLoading.value = true; |
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paymentStatus.value = '正在发起支付...'; |
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errorMessage.value = ''; |
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// 调用支付服务，使用回调处理结果 |
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final launched = await _payService.processWechatPayment( |
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orderId: testOrderId.value, |
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amount: (testAmount.value * 100).toInt(), // 转换为分 |
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description: '微信支付测试', |
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onResult: (success, message) { |
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// 支付结果回调 |
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isLoading.value = false; |
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|
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if (success) { |
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paymentStatus.value = '支付成功！'; |
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errorMessage.value = ''; |
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Get.snackbar( |
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'支付成功', |
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message ?? '微信支付测试完成', |
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snackPosition: SnackPosition.TOP, |
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); |
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} else { |
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paymentStatus.value = '支付失败'; |
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errorMessage.value = message ?? '未知错误'; |
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Get.snackbar( |
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'支付失败', |
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message ?? '未知错误', |
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snackPosition: SnackPosition.TOP, |
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); |
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} |
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}, |
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); |
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|
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if (!launched) { |
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// 如果支付没有成功启动 |
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isLoading.value = false; |
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paymentStatus.value = '支付启动失败'; |
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errorMessage.value = '无法启动微信支付'; |
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Get.snackbar('支付启动失败', '无法启动微信支付'); |
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} |
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} catch (e) { |
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isLoading.value = false; |
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paymentStatus.value = '支付异常'; |
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errorMessage.value = e.toString(); |
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Get.snackbar('支付异常', e.toString()); |
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} |
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} |
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|
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/// 重置状态 |
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void resetStatus() { |
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paymentStatus.value = ''; |
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errorMessage.value = ''; |
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testOrderId.value = 'test_${DateTime.now().millisecondsSinceEpoch}'; |
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} |
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/// 更新测试金额 |
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void updateTestAmount(double amount) { |
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testAmount.value = amount; |
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} |
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} |
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@ -0,0 +1,365 @@ |
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import 'package:flutter/material.dart'; |
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import 'package:get/get.dart'; |
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import 'package:flutter_screenutil/flutter_screenutil.dart'; |
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import '../controllers/payment_controller.dart'; |
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|
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class PaymentView extends GetView<PaymentController> { |
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const PaymentView({Key? key}) : super(key: key); |
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|
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@override |
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Widget build(BuildContext context) { |
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final isDarkMode = Theme.of(context).brightness == Brightness.dark; |
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|
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return Scaffold( |
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backgroundColor: isDarkMode ? Colors.black : Colors.grey[50], |
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appBar: AppBar( |
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backgroundColor: isDarkMode ? Colors.black : Colors.white, |
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elevation: 0.5, |
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title: Text( |
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'微信支付测试', |
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style: TextStyle( |
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fontSize: 18.sp, |
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fontWeight: FontWeight.w600, |
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color: isDarkMode ? Colors.white : Colors.black, |
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), |
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), |
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centerTitle: true, |
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leading: IconButton( |
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icon: Icon( |
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Icons.arrow_back_ios, |
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color: isDarkMode ? Colors.white : Colors.black, |
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), |
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onPressed: () => Get.back(), |
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), |
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), |
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body: SingleChildScrollView( |
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padding: EdgeInsets.all(16.w), |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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_buildTestInfoCard(isDarkMode), |
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SizedBox(height: 20.h), |
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_buildAmountSelector(isDarkMode), |
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SizedBox(height: 20.h), |
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_buildPaymentButton(isDarkMode), |
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SizedBox(height: 20.h), |
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_buildStatusCard(isDarkMode), |
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SizedBox(height: 20.h), |
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_buildInstructions(isDarkMode), |
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], |
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), |
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), |
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); |
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} |
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|
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/// 测试信息卡片 |
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Widget _buildTestInfoCard(bool isDarkMode) { |
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return Container( |
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padding: EdgeInsets.all(16.w), |
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decoration: BoxDecoration( |
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color: isDarkMode ? Colors.grey[900] : Colors.white, |
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borderRadius: BorderRadius.circular(12.r), |
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boxShadow: [ |
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BoxShadow( |
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color: Colors.black.withOpacity(0.05), |
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blurRadius: 10, |
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offset: const Offset(0, 2), |
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), |
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], |
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), |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Text( |
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'测试订单信息', |
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style: TextStyle( |
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fontSize: 16.sp, |
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fontWeight: FontWeight.w600, |
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color: isDarkMode ? Colors.white : Colors.black, |
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), |
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), |
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SizedBox(height: 12.h), |
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Obx(() => _buildInfoRow('订单ID', controller.testOrderId.value, isDarkMode)), |
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SizedBox(height: 8.h), |
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_buildInfoRow('商品描述', '微信支付测试', isDarkMode), |
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SizedBox(height: 8.h), |
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Obx(() => _buildInfoRow('支付金额', '¥${controller.testAmount.value.toStringAsFixed(2)}', isDarkMode)), |
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], |
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), |
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); |
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} |
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|
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/// 信息行 |
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Widget _buildInfoRow(String label, String value, bool isDarkMode) { |
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return Row( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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SizedBox( |
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width: 80.w, |
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child: Text( |
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'$label:', |
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style: TextStyle( |
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fontSize: 14.sp, |
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color: isDarkMode ? Colors.grey[400] : Colors.grey[600], |
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), |
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), |
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), |
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Expanded( |
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child: Text( |
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value, |
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style: TextStyle( |
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fontSize: 14.sp, |
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color: isDarkMode ? Colors.white : Colors.black, |
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), |
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), |
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), |
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], |
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); |
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} |
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|
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/// 金额选择器 |
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Widget _buildAmountSelector(bool isDarkMode) { |
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final amounts = [0.01, 0.10, 1.00, 10.00]; |
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|
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return Container( |
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padding: EdgeInsets.all(16.w), |
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decoration: BoxDecoration( |
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color: isDarkMode ? Colors.grey[900] : Colors.white, |
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borderRadius: BorderRadius.circular(12.r), |
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boxShadow: [ |
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BoxShadow( |
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color: Colors.black.withOpacity(0.05), |
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blurRadius: 10, |
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offset: const Offset(0, 2), |
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), |
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], |
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), |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Text( |
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'选择测试金额', |
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style: TextStyle( |
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fontSize: 16.sp, |
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fontWeight: FontWeight.w600, |
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color: isDarkMode ? Colors.white : Colors.black, |
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), |
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), |
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SizedBox(height: 12.h), |
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Wrap( |
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spacing: 12.w, |
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runSpacing: 8.h, |
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children: amounts.map((amount) { |
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return Obx(() => GestureDetector( |
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onTap: () => controller.updateTestAmount(amount), |
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child: Container( |
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padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 8.h), |
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decoration: BoxDecoration( |
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color: controller.testAmount.value == amount |
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? Colors.blue[600] |
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: (isDarkMode ? Colors.grey[800] : Colors.grey[200]), |
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borderRadius: BorderRadius.circular(20.r), |
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), |
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child: Text( |
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'¥${amount.toStringAsFixed(2)}', |
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style: TextStyle( |
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fontSize: 14.sp, |
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color: controller.testAmount.value == amount |
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? Colors.white |
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: (isDarkMode ? Colors.white : Colors.black), |
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), |
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), |
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), |
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)); |
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}).toList(), |
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), |
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], |
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), |
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); |
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} |
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|
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/// 支付按钮 |
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Widget _buildPaymentButton(bool isDarkMode) { |
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return Obx(() => SizedBox( |
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width: double.infinity, |
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height: 50.h, |
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child: ElevatedButton( |
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onPressed: controller.isLoading.value ? null : controller.testWechatPayment, |
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style: ElevatedButton.styleFrom( |
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backgroundColor: Colors.green[600], |
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foregroundColor: Colors.white, |
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shape: RoundedRectangleBorder( |
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borderRadius: BorderRadius.circular(12.r), |
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), |
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elevation: 2, |
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), |
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child: controller.isLoading.value |
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? Row( |
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mainAxisAlignment: MainAxisAlignment.center, |
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children: [ |
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SizedBox( |
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width: 20.w, |
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height: 20.w, |
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child: const CircularProgressIndicator( |
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strokeWidth: 2, |
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valueColor: AlwaysStoppedAnimation<Color>(Colors.white), |
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), |
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), |
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SizedBox(width: 12.w), |
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const Text('处理中...'), |
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], |
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) |
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: Row( |
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mainAxisAlignment: MainAxisAlignment.center, |
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children: [ |
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Icon(Icons.payment, size: 20.w), |
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SizedBox(width: 8.w), |
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Text( |
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'发起微信支付', |
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style: TextStyle( |
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fontSize: 16.sp, |
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fontWeight: FontWeight.w600, |
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), |
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), |
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], |
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), |
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), |
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)); |
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} |
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|
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/// 状态卡片 |
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Widget _buildStatusCard(bool isDarkMode) { |
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return Obx(() { |
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if (controller.paymentStatus.value.isEmpty) { |
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return const SizedBox.shrink(); |
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} |
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|
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final isError = controller.errorMessage.value.isNotEmpty; |
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|
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return Container( |
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padding: EdgeInsets.all(16.w), |
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decoration: BoxDecoration( |
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color: isError |
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? (isDarkMode ? Colors.red[900] : Colors.red[50]) |
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: (isDarkMode ? Colors.green[900] : Colors.green[50]), |
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borderRadius: BorderRadius.circular(12.r), |
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border: Border.all( |
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color: isError ? Colors.red[300]! : Colors.green[300]!, |
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width: 1, |
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), |
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), |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Row( |
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children: [ |
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Icon( |
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isError ? Icons.error : Icons.check_circle, |
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color: isError ? Colors.red[600] : Colors.green[600], |
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size: 20.w, |
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), |
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SizedBox(width: 8.w), |
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Text( |
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'支付状态', |
|||
style: TextStyle( |
|||
fontSize: 16.sp, |
|||
fontWeight: FontWeight.w600, |
|||
color: isError ? Colors.red[600] : Colors.green[600], |
|||
), |
|||
), |
|||
], |
|||
), |
|||
SizedBox(height: 8.h), |
|||
Text( |
|||
controller.paymentStatus.value, |
|||
style: TextStyle( |
|||
fontSize: 14.sp, |
|||
color: isDarkMode ? Colors.white : Colors.black, |
|||
), |
|||
), |
|||
if (controller.errorMessage.value.isNotEmpty) ...[ |
|||
SizedBox(height: 8.h), |
|||
Text( |
|||
'错误信息: ${controller.errorMessage.value}', |
|||
style: TextStyle( |
|||
fontSize: 12.sp, |
|||
color: Colors.red[600], |
|||
), |
|||
), |
|||
], |
|||
SizedBox(height: 12.h), |
|||
SizedBox( |
|||
width: double.infinity, |
|||
child: OutlinedButton( |
|||
onPressed: controller.resetStatus, |
|||
style: OutlinedButton.styleFrom( |
|||
side: BorderSide( |
|||
color: isError ? Colors.red[600]! : Colors.green[600]!, |
|||
), |
|||
), |
|||
child: Text( |
|||
'重新测试', |
|||
style: TextStyle( |
|||
color: isError ? Colors.red[600] : Colors.green[600], |
|||
), |
|||
), |
|||
), |
|||
), |
|||
], |
|||
), |
|||
); |
|||
}); |
|||
} |
|||
|
|||
/// 使用说明 |
|||
Widget _buildInstructions(bool isDarkMode) { |
|||
return Container( |
|||
padding: EdgeInsets.all(16.w), |
|||
decoration: BoxDecoration( |
|||
color: isDarkMode ? Colors.grey[900] : Colors.blue[50], |
|||
borderRadius: BorderRadius.circular(12.r), |
|||
border: Border.all( |
|||
color: Colors.blue[200]!, |
|||
width: 1, |
|||
), |
|||
), |
|||
child: Column( |
|||
crossAxisAlignment: CrossAxisAlignment.start, |
|||
children: [ |
|||
Row( |
|||
children: [ |
|||
Icon( |
|||
Icons.info_outline, |
|||
color: Colors.blue[600], |
|||
size: 20.w, |
|||
), |
|||
SizedBox(width: 8.w), |
|||
Text( |
|||
'使用说明', |
|||
style: TextStyle( |
|||
fontSize: 16.sp, |
|||
fontWeight: FontWeight.w600, |
|||
color: Colors.blue[600], |
|||
), |
|||
), |
|||
], |
|||
), |
|||
SizedBox(height: 12.h), |
|||
Text( |
|||
'1. 选择测试金额（建议使用0.01元进行测试）\n' |
|||
'2. 点击"发起微信支付"按钮\n' |
|||
'3. 系统将调用微信支付SDK\n' |
|||
'4. 在微信中完成支付流程\n' |
|||
'5. 返回应用查看支付结果\n\n' |
|||
'注意：这是测试环境，实际不会产生真实扣费', |
|||
style: TextStyle( |
|||
fontSize: 14.sp, |
|||
color: isDarkMode ? Colors.grey[300] : Colors.grey[700], |
|||
height: 1.5, |
|||
), |
|||
), |
|||
], |
|||
), |
|||
); |
|||
} |
|||
} |
|||
Loading…
Reference in new issue