定位获取城市功能，需要微信地图的key？

packages/weixin-sdk/src/location.ts

@@ -3,16 +3,29 @@ import { getRuntimePlatform, isWechatBrowser } from './env';
 import { ensureJssdkReady } from './jssdk';
 import type { WeixinSdkConfig } from './types';
 
+export type WechatLocationOutcome = {
+  sdk: 'jssdk' | 'geolocation';
+  location: WechatGpsLocation | null;
+  errMsg?: string;
+};
+
 /** 获取 GPS 定位（微信 JSSDK / 小程序优先，否则 H5 Geolocation） */
 export async function getWechatLocation(config?: WeixinSdkConfig): Promise<WechatGpsLocation | null> {
+  const outcome = await getWechatLocationDetailed(config);
+  return outcome.location;
+}
+
+export async function getWechatLocationDetailed(
+  config?: WeixinSdkConfig,
+): Promise<WechatLocationOutcome> {
   const platform = getRuntimePlatform();
 
   if (platform === 'mini' && window.wx?.getLocation) {
     return new Promise((resolve) => {
       window.wx!.getLocation!({
         type: 'gcj02',
-        success: (res) => resolve(res),
-        fail: () => resolve(null),
+        success: (res) => resolve({ sdk: 'jssdk', location: res }),
+        fail: (res) => resolve({ sdk: 'jssdk', location: null, errMsg: res.errMsg }),
       });
     });
   }
@@ -25,29 +38,51 @@ export async function getWechatLocation(config?: WeixinSdkConfig): Promise<Wecha
         getAccessToken: config.getAccessToken,
       });
       if (window.wx?.getLocation) {
+        const jsApiOk = await new Promise<boolean>((resolve) => {
+          window.wx!.checkJsApi?.({
+            jsApiList: ['getLocation'],
+            success: (res) => resolve(!!res.checkResult?.getLocation),
+            fail: () => resolve(false),
+          });
+        });
+        if (!jsApiOk) {
+          return { sdk: 'jssdk', location: null, errMsg: 'getLocation 未授权或不可用' };
+        }
         return new Promise((resolve) => {
           window.wx!.getLocation!({
             type: 'gcj02',
-            success: (res) => resolve(res),
-            fail: () => resolve(null),
+            success: (res) => resolve({ sdk: 'jssdk', location: res }),
+            fail: (res) => resolve({ sdk: 'jssdk', location: null, errMsg: res.errMsg }),
           });
         });
       }
-    } catch {
-      /* fall through */
+      return { sdk: 'jssdk', location: null, errMsg: '微信 JSSDK getLocation 不可用' };
+    } catch (err) {
+      const errMsg = err instanceof Error ? err.message : String(err);
+      return { sdk: 'jssdk', location: null, errMsg };
     }
   }
 
-  if (typeof navigator === 'undefined' || !navigator.geolocation) return null;
+  if (typeof navigator === 'undefined' || !navigator.geolocation) {
+    return { sdk: 'geolocation', location: null, errMsg: '浏览器不支持定位' };
+  }
   return new Promise((resolve) => {
     navigator.geolocation.getCurrentPosition(
       (pos) =>
         resolve({
-          latitude: pos.coords.latitude,
-          longitude: pos.coords.longitude,
-          accuracy: pos.coords.accuracy,
+          sdk: 'geolocation',
+          location: {
+            latitude: pos.coords.latitude,
+            longitude: pos.coords.longitude,
+            accuracy: pos.coords.accuracy,
+          },
+        }),
+      (err) =>
+        resolve({
+          sdk: 'geolocation',
+          location: null,
+          errMsg: err.message || '定位失败',
         }),
-      () => resolve(null),
       { enableHighAccuracy: false, timeout: 8000, maximumAge: 60_000 },
     );
   });