fix：增加视频日志下载时同时申请权限

lib/main/lockDetail/videoLog/editVideoLog/editVideoLog_page.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_easyloading/flutter_easyloading.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:star_lock/appRouters.dart';
 import 'package:star_lock/main/lockDetail/videoLog/editVideoLog/editVideoLog_state.dart';
 import 'package:star_lock/main/lockDetail/videoLog/videoLog/videoLog_entity.dart';
@@ -190,7 +191,7 @@ class _EditVideoLogPageState extends State<EditVideoLogPage> {
                   'images/main/icon_lockDetail_monitoringDownloadVideo.png',
                   '下载'.tr,
                   Colors.white,
-                  _onDownLoadClick,
+                  _onDownLoadClickAndRequestPermission,
                 )
               : SizedBox.shrink(),
           state.isNavLocal.value == false
@@ -207,6 +208,31 @@ class _EditVideoLogPageState extends State<EditVideoLogPage> {
     );
   }
 
+  Future<void> _onDownLoadClickAndRequestPermission() async {
+    // 检查是否具有存储权限
+    final PermissionStatus status = await Permission.storage.status;
+
+    if (status.isGranted) {
+      // 如果权限已授予，执行下载逻辑
+      await _onDownLoadClick();
+    } else if (status.isDenied || status.isRestricted) {
+      // 如果权限被拒绝或受限，请求权限
+      final PermissionStatus requestResult = await Permission.storage.request();
+
+      if (requestResult.isGranted) {
+        // 权限请求成功后，执行下载逻辑
+        await _onDownLoadClick();
+      } else {
+        // 用户拒绝了权限请求
+        print('用户拒绝了存储权限');
+      }
+    } else if (status.isPermanentlyDenied) {
+      // 如果权限被永久拒绝，提示用户前往设置页面手动开启
+      print('存储权限被永久拒绝，请前往设置页面开启');
+      openAppSettings();
+    }
+  }
+
   Future<void> _onDownLoadClick() async {
     if (state.selectVideoLogList.value.isNotEmpty) {
       state.selectVideoLogList.value.forEach((element) {