优化结构

internal/integration/payment/alipay.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"io"
 	bizpayment "kra/internal/biz/payment"
+	"kra/internal/paymentkit"
 	"net/http"
 	"net/url"
 	"strings"
@@ -435,7 +436,7 @@ func alipayCreateMethod(extra, config map[string]any) (string, error) {
 	if value == "" {
 		value = firstAny(config, "method", "pay_method", "trade_type", "channel")
 	}
-	normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
+	normalized := paymentkit.NormalizePaymentMethod(value)
 	switch normalized {
 	case "", "create", "trade_create", "alipay_trade_create", "jsapi", "miniapp", "mini_program":
 		return "alipay.trade.create", nil

internal/integration/payment/allinpay.go

@@ -12,6 +12,7 @@ import (
 	"fmt"
 	"io"
 	bizpayment "kra/internal/biz/payment"
+	"kra/internal/paymentkit"
 	"net/http"
 	"strings"
 	"sync"
@@ -207,7 +208,7 @@ func allinpayCreateMethod(extra, config map[string]any) (string, error) {
 	if value == "" {
 		value = firstAny(config, "method", "pay_method", "trade_type")
 	}
-	normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
+	normalized := paymentkit.NormalizePaymentMethod(value)
 	switch normalized {
 	case "", "pay", "unified", "unified_pay":
 		return "pay", nil

internal/integration/payment/douyin.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	bizpayment "kra/internal/biz/payment"
+	"kra/internal/paymentkit"
 	"strings"
 
 	"github.com/go-pay/gopay"
@@ -110,7 +111,7 @@ func douyinCreateMethod(extra, config map[string]any) (string, error) {
 	if value == "" {
 		value = firstAny(config, "method", "pay_method", "trade_type", "pay_type", "channel")
 	}
-	normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
+	normalized := paymentkit.NormalizePaymentMethod(value)
 	switch normalized {
 	case "", "jsapi", "js_api", "mini", "mini_program", "miniprogram", "applet":
 		return "jsapi", nil

internal/integration/payment/lakala.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	bizpayment "kra/internal/biz/payment"
+	"kra/internal/paymentkit"
 	"strings"
 
 	"github.com/go-pay/gopay"
@@ -71,7 +72,7 @@ func lakalaCreateMethod(extra, config map[string]any) string {
 	if method == "" {
 		method = firstAny(config, "method", "pay_method", "trade_type")
 	}
-	return strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(method)))
+	return paymentkit.NormalizePaymentMethod(method)
 }
 
 func lakalaCreateResult(tradeNo string, rsp *lakala.PaymentRsp) (*bizpayment.PaymentResult, error) {

internal/integration/payment/saobei.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	bizpayment "kra/internal/biz/payment"
+	"kra/internal/paymentkit"
 	"strings"
 	"time"
 
@@ -89,7 +90,7 @@ func saobeiCreateMethod(extra, config map[string]any) (string, error) {
 	if value == "" {
 		value = firstAny(config, "method", "pay_method", "trade_type")
 	}
-	normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
+	normalized := paymentkit.NormalizePaymentMethod(value)
 	switch normalized {
 	case "", "mini", "mini_pay", "miniapp", "mini_app", "mini_program", "miniprogram", "jsapi", "js_api":
 		return "mini", nil

internal/integration/payment/wechat_v2.go

@@ -11,6 +11,7 @@ import (
 	"errors"
 	"fmt"
 	bizpayment "kra/internal/biz/payment"
+	"kra/internal/paymentkit"
 	"net/http"
 	"net/url"
 	"strings"
@@ -180,7 +181,7 @@ func wechatV2CreateMethod(extra, config map[string]any) (string, error) {
 	if value == "" {
 		value = firstAny(config, "trade_type", "pay_type", "method", "pay_method", "channel")
 	}
-	normalized := strings.NewReplacer(".", "_", "-", "_", " ", "_").Replace(strings.ToLower(strings.TrimSpace(value)))
+	normalized := paymentkit.NormalizePaymentMethod(value)
 	switch normalized {
 	case "", "jsapi", "js_api", "mini", "miniapp", "mini_program", "miniprogram", "applet":
 		return gopayWechat.TradeType_JsApi, nil