toMap method
转换为Map,用于序列化
Implementation
Map<String, dynamic> toMap() {
return {
'serviceName': serviceName,
'serviceType': serviceType,
'sn': sn,
'target': target,
'port': port,
'ipAddress': ipAddress,
'macAddress': macAddress,
'remoteId': remoteId,
'txtRecords': txtRecords,
};
}