feat(user): temp

app/user/cmd/api/internal/service/wechatpayService.go

@@ -103,6 +103,65 @@ func (w *WechatPayService) CreateWechatAppOrder(ctx context.Context, amount floa
 	return *resp.PrepayId, nil
 }
 
+// CreateWechatMiniProgramOrder 创建微信小程序支付订单
+func (w *WechatPayService) CreateWechatMiniProgramOrder(ctx context.Context, amount float64, description string, outTradeNo string, openid string) (string, error) {
+	totalAmount := lzUtils.ToWechatAmount(amount)
+
+	// 构建支付请求参数
+	payRequest := jsapi.PrepayRequest{
+		Appid:       core.String(w.config.AppID),
+		Mchid:       core.String(w.config.MchID),
+		Description: core.String(description),
+		OutTradeNo:  core.String(outTradeNo),
+		NotifyUrl:   core.String(w.config.NotifyUrl),
+		Amount: &jsapi.Amount{
+			Total: core.Int64(totalAmount),
+		},
+		Payer: &jsapi.Payer{
+			Openid: core.String(openid), // 用户的 OpenID，通过前端传入
+		}}
+
+	// 初始化 AppApiService
+	svc := jsapi.JsapiApiService{Client: w.wechatClient}
+
+	// 发起预支付请求
+	resp, result, err := svc.PrepayWithRequestPayment(ctx, payRequest)
+	if err != nil {
+		return "", fmt.Errorf("微信支付订单创建失败: %v, 状态码: %d", err, result.Response.StatusCode)
+	}
+
+	// 返回预支付交易会话标识
+	return *resp.PrepayId, nil
+}
+
+// CreateWechatOrder 创建微信支付订单（集成 APP、H5、小程序）
+func (w *WechatPayService) CreateWechatOrder(ctx context.Context, amount float64, description string, outTradeNo string) (string, error) {
+	// 根据 ctx 中的 platform 判断平台
+	platform := ctx.Value("platform").(string)
+
+	var prepayId string
+	var err error
+
+	switch platform {
+	case "mp-weixin":
+		// 如果是小程序平台，调用小程序支付订单创建
+		prepayId, err = w.CreateWechatMiniProgramOrder(ctx, amount, description, outTradeNo, "asdasd")
+	case "app":
+		// 如果是 APP 平台，调用 APP 支付订单创建
+		prepayId, err = w.CreateWechatAppOrder(ctx, amount, description, outTradeNo)
+	default:
+		return "", fmt.Errorf("不支持的支付平台: %s", platform)
+	}
+
+	// 如果创建支付订单失败，返回错误
+	if err != nil {
+		return "", fmt.Errorf("支付订单创建失败: %v", err)
+	}
+
+	// 返回预支付ID
+	return prepayId, nil
+}
+
 // HandleWechatPayNotification 处理微信支付回调
 func (w *WechatPayService) HandleWechatPayNotification(ctx context.Context, req *http.Request) (*payments.Transaction, error) {
 	transaction := new(payments.Transaction)