HowtoassignTimeStamptoFireStoreusingFieldValue.serverTimestamp()inswift如何使用FieldValue.serverTimestamp()分配时间戳，它返回FSTServerTimestampFieldValue:0x6000024ee0e0，因为debugPrint(FieldValue.serverTimestamp())在调试菜单中显示代码在这里12345678910111213141516171819202122letdb=Firestore.firestore() letsettings=db.settings
