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This commit is contained in:
liangzai
2026-02-06 13:34:49 +08:00
parent 9648fcd1ec
commit dc4fcbf857
12 changed files with 1796 additions and 757 deletions
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42
app/main/api/internal/service/alipayService.go
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@@ -16,9 +16,13 @@ import (
"github.com/smartwalle/alipay/v3"
)
// AlipayBakRefundCutoff bak 支付宝仅用于该时间点之前的订单退款（2026年2月2日 18:26 下午，CST）
var AlipayBakRefundCutoff = time.Date(2026, 2, 2, 18, 26, 0, 0, time.FixedZone("CST", 8*3600))
type AliPayService struct {
config config.AlipayConfig
AlipayClient *alipay.Client
config config.AlipayConfig
AlipayClient *alipay.Client
AlipayClientBak *alipay.Client // 仅用于 2026-02-02 18:26 前订单的退款
}
// NewAliPayService 是一个构造函数，用于初始化 AliPayService
@@ -44,10 +48,30 @@ func NewAliPayService(c config.Config) *AliPayService {
panic(fmt.Sprintf("加载根证书失败: %v", err))
}
return &AliPayService{
svc := &AliPayService{
config: c.Alipay,
AlipayClient: client,
}
// 初始化 bak 支付宝客户端（仅用于 2026-02-02 18:26 前订单的退款）
if c.Alipay.AppIDBak != "" && c.Alipay.PrivateKeyBak != "" {
bakClient, err := alipay.New(c.Alipay.AppIDBak, c.Alipay.PrivateKeyBak, c.Alipay.IsProduction)
if err != nil {
panic(fmt.Sprintf("创建支付宝 bak 客户端失败: %v", err))
}
if err = bakClient.LoadAppCertPublicKeyFromFile(c.Alipay.AppCertPathBak); err != nil {
panic(fmt.Sprintf("加载 bak 应用公钥证书失败: %v", err))
}
if err = bakClient.LoadAlipayCertPublicKeyFromFile(c.Alipay.AlipayCertPathBak); err != nil {
panic(fmt.Sprintf("加载 bak 支付宝公钥证书失败: %v", err))
}
if err = bakClient.LoadAliPayRootCertFromFile(c.Alipay.AlipayRootCertPathBak); err != nil {
panic(fmt.Sprintf("加载 bak 根证书失败: %v", err))
}
svc.AlipayClientBak = bakClient
}
return svc
}
func (a *AliPayService) CreateAlipayAppOrder(amount float64, subject string, outTradeNo string) (string, error) {
@@ -116,16 +140,20 @@ func (a *AliPayService) CreateAlipayOrder(ctx context.Context, amount float64, s
}
}
// AliRefund 发起支付宝退款
func (a *AliPayService) AliRefund(ctx context.Context, outTradeNo string, refundAmount float64) (*alipay.TradeRefundRsp, error) {
// AliRefund 发起支付宝退款。orderPayTime 为订单支付时间（或创建时间），若在 2026-02-02 18:26 之前则使用 bak 商户号退款；传 nil 则使用主商户号。
func (a *AliPayService) AliRefund(ctx context.Context, outTradeNo string, refundAmount float64, orderPayTime *time.Time) (*alipay.TradeRefundRsp, error) {
client := a.AlipayClient
if orderPayTime != nil && !orderPayTime.After(AlipayBakRefundCutoff) && a.AlipayClientBak != nil {
client = a.AlipayClientBak
}
refund := alipay.TradeRefund{
OutTradeNo: outTradeNo,
RefundAmount: lzUtils.ToAlipayAmount(refundAmount),
OutRequestNo: fmt.Sprintf("refund-%s", outTradeNo),
}
// 发起退款请求
refundResp, err := a.AlipayClient.TradeRefund(ctx, refund)
refundResp, err := client.TradeRefund(ctx, refund)
if err != nil {
return nil, fmt.Errorf("支付宝退款请求错误：%v", err)
}