checkSession method
检查用户的登录是否过期
Implementation
Future<bool> checkSession() async {
if (objectId.isEmpty || sessionToken.isEmpty) {
throw Exception('objectId or sessionToken is empty');
}
var data = await BmobNetHelper.init().get('/1/checkSession/$objectId');
return data != null && data.containsKey('msg') && data['msg'] == 'ok';
}