feat:增加日程模块

lib/utils/date_utils.dart

@@ -1,7 +1,9 @@
-// String formatDate(DateTime date) {
-//   return '${date.month}月${date.day}日';
-// }
-//
-// String formatTime(DateTime datetime) {
-//   return '${datetime.year}-${datetime.month}-${datetime.day} ${datetime.hour}:${datetime.minute}:${datetime.second}';
-// }
+import 'package:intl/intl.dart';
+
+String formatDate(DateTime date) {
+  return DateFormat('yyyy-MM-dd').format(date);
+}
+
+String formatTime(DateTime datetime) {
+  return DateFormat('yyyy-MM-dd HH:mm:ss').format(datetime);
+}

lib/utils/notify_utils.dart

@@ -95,7 +95,6 @@ class NotifyService {
     required String body,
     required DateTime scheduledTime,
   }) async {
-    print("scheduleNotification: $id");
     await _notifications.zonedSchedule(
       id,
       title,
@@ -110,8 +109,11 @@ class NotifyService {
 
   // 取消特定通知
   Future<void> cancelNotification(int id) async {
-    print("cancelNotification: $id");
-    await _notifications.cancel(id);
+    try {
+      await _notifications.cancel(id);
+    } catch(e) {
+      print('取消通知失败: $e');
+    }
   }
 
   // 取消所有通知