feat(payment): 支付管理 - 新增支付订单与对账 CSV 导出

backend/internal/handler/payment.go

@@ -178,6 +178,7 @@ func RegisterPaymentRoutes(r *gin.RouterGroup, svc *service.Service) {
 	})
 
 	admin := r.Group("/admin/payments")
+	registerPaymentExportRoutes(admin, svc)
 	admin.GET("/providers", func(c *gin.Context) {
 		user, err := currentUser(c, svc)
 		if err != nil {
@@ -269,7 +270,7 @@ func RegisterPaymentRoutes(r *gin.RouterGroup, svc *service.Service) {
 			fail(c, http.StatusBadRequest, err)
 			return
 		}
-		result, err := svc.AdminPaymentOrderPage(user, c.Query("status"), c.Query("keyword"), page, limit)
+		result, err := svc.AdminPaymentOrderPage(user, paymentOrderQuery(c), page, limit)
 		if err != nil {
 			failService(c, err)
 			return
@@ -331,7 +332,7 @@ func RegisterPaymentRoutes(r *gin.RouterGroup, svc *service.Service) {
 			fail(c, http.StatusBadRequest, err)
 			return
 		}
-		result, err := svc.AdminPaymentReconciliationPage(user, c.Query("providerId"), c.Query("status"), page, limit)
+		result, err := svc.AdminPaymentReconciliationPage(user, paymentReconciliationQuery(c), page, limit)
 		if err != nil {
 			failService(c, err)
 			return

backend/internal/handler/payment_export.go

@@ -0,0 +1,51 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"infinite-canvas/backend/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+func paymentOrderQuery(c *gin.Context) service.PaymentOrderQuery {
+	return service.PaymentOrderQuery{Status: c.Query("status"), Keyword: c.Query("keyword"), ProviderID: c.Query("providerId"), TimeField: c.Query("timeField"), From: c.Query("from"), To: c.Query("to")}
+}
+
+func paymentReconciliationQuery(c *gin.Context) service.PaymentReconciliationQuery {
+	return service.PaymentReconciliationQuery{ProviderID: c.Query("providerId"), Status: c.Query("status"), From: c.Query("from"), To: c.Query("to")}
+}
+
+func registerPaymentExportRoutes(admin *gin.RouterGroup, svc *service.Service) {
+	for _, spec := range []struct{ path, name string }{
+		{"/orders/export.csv", "payment-orders"},
+		{"/reconciliations/export.csv", "payment-reconciliations"},
+		{"/reconciliations/:id/items/export.csv", "payment-reconciliation-items"},
+	} {
+		admin.GET(spec.path, func(c *gin.Context) {
+			c.Header("Cache-Control", "no-store")
+			user, err := currentUser(c, svc)
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			var data []byte
+			switch spec.name {
+			case "payment-orders":
+				data, err = svc.AdminPaymentOrdersCSV(c.Request.Context(), user, paymentOrderQuery(c))
+			case "payment-reconciliations":
+				data, err = svc.AdminPaymentReconciliationsCSV(c.Request.Context(), user, paymentReconciliationQuery(c))
+			default:
+				data, err = svc.AdminPaymentReconciliationItemsCSV(c.Request.Context(), user, c.Param("id"), c.Query("result"))
+			}
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			c.Header("Content-Disposition", "attachment; filename="+spec.name+"-"+time.Now().UTC().Format("20060102-150405")+".csv")
+			c.Header("X-Content-Type-Options", "nosniff")
+			c.Data(http.StatusOK, "text/csv; charset=utf-8", data)
+		})
+	}
+}