From 5253bc8d35929a18357c37c7b0f2c8dfe240aa02 Mon Sep 17 00:00:00 2001
From: erio <asakifeng@gmail.com>
Date: Fri, 6 Mar 2026 22:40:09 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=94=AF=E4=BB=98=E5=AE=9D=20H5=20?=
 =?UTF-8?q?=E4=B8=8B=E5=8D=95=E5=A4=B1=E8=B4=A5=E6=97=B6=20fallback=20?=
 =?UTF-8?q?=E5=88=B0=20PC=20=E9=A1=B5=E9=9D=A2=E6=94=AF=E4=BB=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

与微信支付保持一致的 fallback 策略。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/lib/alipay/provider.ts | 49 ++++++++++++++++++++++----------------
 1 file changed, 29 insertions(+), 20 deletions(-)

diff --git a/src/lib/alipay/provider.ts b/src/lib/alipay/provider.ts
index df4e06a..f43d23e 100644
--- a/src/lib/alipay/provider.ts
+++ b/src/lib/alipay/provider.ts
@@ -22,27 +22,36 @@ export class AlipayProvider implements PaymentProvider {
   };
 
   async createPayment(request: CreatePaymentRequest): Promise<CreatePaymentResponse> {
-    const method = request.isMobile ? 'alipay.trade.wap.pay' : 'alipay.trade.page.pay';
-    const productCode = request.isMobile ? 'QUICK_WAP_WAY' : 'FAST_INSTANT_TRADE_PAY';
-
-    const url = pageExecute(
-      {
-        out_trade_no: request.orderId,
-        product_code: productCode,
-        total_amount: request.amount.toFixed(2),
-        subject: request.subject,
-      },
-      {
-        notifyUrl: request.notifyUrl,
-        returnUrl: request.returnUrl,
-        method,
-      },
-    );
-
-    return {
-      tradeNo: request.orderId,
-      payUrl: url,
+    const buildPayUrl = (mobile: boolean) => {
+      const method = mobile ? 'alipay.trade.wap.pay' : 'alipay.trade.page.pay';
+      const productCode = mobile ? 'QUICK_WAP_WAY' : 'FAST_INSTANT_TRADE_PAY';
+      return pageExecute(
+        {
+          out_trade_no: request.orderId,
+          product_code: productCode,
+          total_amount: request.amount.toFixed(2),
+          subject: request.subject,
+        },
+        {
+          notifyUrl: request.notifyUrl,
+          returnUrl: request.returnUrl,
+          method,
+        },
+      );
     };
+
+    let url: string;
+    if (request.isMobile) {
+      try {
+        url = buildPayUrl(true);
+      } catch {
+        url = buildPayUrl(false);
+      }
+    } else {
+      url = buildPayUrl(false);
+    }
+
+    return { tradeNo: request.orderId, payUrl: url };
   }
 
   async queryOrder(tradeNo: string): Promise<QueryOrderResponse> {