's'

app/payment/factory.py

@@ -0,0 +1,39 @@
+"""
+支付渠道工厂
+根据配置返回对应的支付 Provider
+"""
+from ..config import (
+    PAYMENT_PROVIDER,
+    XORPAY_AID,
+    XORPAY_SECRET,
+    XORPAY_CASHIER_URL,
+    ZPAY_PID,
+    ZPAY_KEY,
+)
+from .base import PaymentProvider
+from .xorpay import XorPayProvider
+from .zpay import ZPayProvider
+
+_provider_instance: PaymentProvider | None = None
+
+
+def get_payment_provider() -> PaymentProvider:
+    """获取当前配置的支付渠道实例（单例）"""
+    global _provider_instance
+    if _provider_instance is not None:
+        return _provider_instance
+    if PAYMENT_PROVIDER == "zpay":
+        _provider_instance = ZPayProvider(pid=ZPAY_PID, key=ZPAY_KEY)
+    else:
+        _provider_instance = XorPayProvider(
+            aid=XORPAY_AID,
+            secret=XORPAY_SECRET,
+            cashier_url=XORPAY_CASHIER_URL,
+        )
+    return _provider_instance
+
+
+def reset_provider():
+    """重置 Provider（用于测试或切换渠道）"""
+    global _provider_instance
+    _provider_instance = None