权限，检出分支

ln_jq_app/lib/pages/qr_code/controller.dart

@@ -125,19 +125,46 @@ class QrCodeController extends GetxController
   }
 
   void requestPermission() async {
-    final List<bool> results = await Future.wait([
-      requestCameraPermission(),
-      requestPhotosPermission(),
-    ]);
+    if(Platform.isIOS){
+      var status = await Permission.camera.request();
+      if (status.isGranted) {
+      }
+      else if (status.isPermanentlyDenied) {
+        openAppSettings();
+      }
+      else {
+        showErrorToast('需要相机权限才能扫描二维码');
+      }
+      return;
+    }
 
-    final isCameraGranted = results[0];
-    final isPhotosGranted = results[1];
-
-    if (!isCameraGranted) {
+    final bool results = await requestCameraPermission();
+    if (!results) {
       showErrorToast('相机权限未被授予，请到权限管理中打开');
     }
-    if (!isPhotosGranted) {
-      showErrorToast('相册权限未被授予，请到权限管理中打开');
+  }
+
+  void requestPhotoPermission() async {
+    if (Platform.isAndroid) {
+      final bool results = await requestPhotosPermission();
+      if (!results) {
+        showErrorToast('相册权限未被授予，请到权限管理中打开');
+      } else {
+        scanFromGallery();
+      }
+    }
+    if(Platform.isIOS){
+      var status = await Permission.photos.request();
+      print("权限状态: $status"); // 在控制台看这个输出
+      if (status.isGranted) {
+        scanFromGallery();
+      }
+      else if (status.isPermanentlyDenied) {
+        openAppSettings();
+      }
+      else {
+        showErrorToast('需要相册权限才能从相册中选择图片');
+      }
     }
   }
 
@@ -161,7 +188,6 @@ class QrCodeController extends GetxController
       await StorageService.to.saveVehicleInfo(vehicle);
 
       Get.back(result: true);
-
     } on DioException catch (e) {
       showErrorToast("网络请求失败，请稍后重试");
       resumeScanner();
@@ -173,7 +199,6 @@ class QrCodeController extends GetxController
     }
   }
 
-
   @override
   void onClose() {
     qrViewController?.dispose();