1

lib/utils/time.dart

@@ -46,3 +46,16 @@ String formatSeconds(int seconds) {
     return '${twoDigits(m)}:${twoDigits(s)}';
   }
 }
+
+
+/// 将 "HH", "HH:mm" 或 "HH:mm:ss" 转为当天 DateTime
+DateTime parseTime(String timeStr) {
+  final now = DateTime.now();
+  final parts = timeStr.split(':').map(int.parse).toList();
+
+  final hour = parts.length > 0 ? parts[0] : 0;
+  final minute = parts.length > 1 ? parts[1] : 0;
+  final second = parts.length > 2 ? parts[2] : 0;
+
+  return DateTime(now.year, now.month, now.day, hour, minute, second);
+}