新增 AlipayTradeStatus

src/Essensoft.AspNetCore.Payment.Alipay/AlipayTradeStatus.cs

@@ -0,0 +1,25 @@
+namespace Essensoft.AspNetCore.Payment.Alipay
+{
+    public static class AlipayTradeStatus
+    {
+        /// <summary>
+        /// 交易创建，等待买家付款
+        /// </summary>
+        public const string Wait = "WAIT_BUYER_PAY";
+
+        /// <summary>
+        /// 未付款交易超时关闭，或支付完成后全额退款
+        /// </summary>
+        public const string Closed = "TRADE_CLOSED";
+
+        /// <summary>
+        /// 交易支付成功
+        /// </summary>
+        public const string Success = "TRADE_SUCCESS";
+
+        /// <summary>
+        /// 交易结束，不可退款
+        /// </summary>
+        public const string Finished = "TRADE_FINISHED";
+    }
+}