用户端和服务端增加地址功能（三个地址共存）

apps/h5-user/src/lib/client-location.ts

@@ -0,0 +1,61 @@
+export type ClientGpsLocation = {
+  province?: string;
+  city?: string;
+  district?: string;
+  latitude: number;
+  longitude: number;
+  address?: string;
+};
+
+type WxLocationResult = {
+  latitude: number;
+  longitude: number;
+};
+
+declare global {
+  interface Window {
+    wx?: {
+      getLocation?: (options: {
+        type?: string;
+        success?: (res: WxLocationResult) => void;
+        fail?: () => void;
+      }) => void;
+    };
+  }
+}
+
+/** 尝试获取客户端 GPS（微信优先，其次 H5 Geolocation），失败返回 null 不阻塞下单 */
+export async function tryGetClientGpsLocation(): Promise<ClientGpsLocation | null> {
+  if (typeof window !== 'undefined' && window.wx?.getLocation) {
+    const wxResult = await new Promise<WxLocationResult | null>((resolve) => {
+      window.wx!.getLocation!({
+        type: 'gcj02',
+        success: (res) => resolve(res),
+        fail: () => resolve(null),
+      });
+    });
+    if (wxResult) {
+      return {
+        latitude: wxResult.latitude,
+        longitude: wxResult.longitude,
+      };
+    }
+  }
+
+  if (typeof navigator === 'undefined' || !navigator.geolocation) {
+    return null;
+  }
+
+  return new Promise((resolve) => {
+    navigator.geolocation.getCurrentPosition(
+      (pos) => {
+        resolve({
+          latitude: pos.coords.latitude,
+          longitude: pos.coords.longitude,
+        });
+      },
+      () => resolve(null),
+      { enableHighAccuracy: false, timeout: 5000, maximumAge: 60_000 },
+    );
+  });
+}

apps/h5-user/src/pages/OrderConfirmPage.tsx

@@ -5,7 +5,7 @@ import AppImage from '@dukang/shared-ui/AppImage';
 import { request } from '../lib/api';
 import { buildProductDetailUrl } from '../lib/navigation';
 import { STITCH_ORDER_PRODUCT_IMAGE } from '../lib/order-images';
-import { getProductMainImage } from '../lib/product-images';
+import { tryGetClientGpsLocation } from '../lib/client-location';
 
 type Address = {
   id: string;
@@ -119,9 +119,15 @@ export default function OrderConfirmPage() {
     setLoading(true);
     setMsg('');
     try {
+      const clientLocation = await tryGetClientGpsLocation();
       const order = await request<{ id: string }>('USER_H5', '/trade/orders', {
         method: 'POST',
-        body: JSON.stringify({ productId, quantity, addressId }),
+        body: JSON.stringify({
+          productId,
+          quantity,
+          addressId,
+          ...(clientLocation ? { clientLocation } : {}),
+        }),
       });
       const qs = new URLSearchParams();
       qs.set('orderId', order.id);