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lib/pages/student/home/viewmodel/s_home_vm.dart

@@ -0,0 +1,34 @@
+import 'package:app/request/api/room_api.dart';
+import 'package:app/request/dto/room/room_info_dto.dart';
+import 'package:app/utils/time.dart';
+import 'package:flutter/cupertino.dart';
+
+class SHomeVm extends ChangeNotifier {
+  RoomInfoDto? roomInfo;
+  bool loading = true;
+
+  SHomeVm() {
+    loadData();
+  }
+
+  //加载数据
+  Future<void> loadData() async {
+    final list = await getRoomListApi();
+    loading = false;
+
+    if (list.isNotEmpty) {
+      roomInfo = list.first;
+    }
+
+    notifyListeners();
+  }
+
+  ///计算会议时间
+  int get roomMinutes {
+    if (roomInfo == null) return 0;
+    final start = parseTime(roomInfo!.startTime);
+    final end = parseTime(roomInfo!.endTime);
+
+    return end.difference(start).inMinutes;
+  }
+}