我正在嘗試使用對(duì)象輸出流將數(shù)組列表中的所有對(duì)象保存到文件中。該對(duì)象的一個(gè)屬性是本地日期，每當(dāng)我嘗試寫(xiě)入文件時(shí)，錯(cuò)誤不可序列化異常：java.time.format.DateTime 格式化器返回，盡管沒(méi)有任何本地日期的日期時(shí)間格式化程序完整錯(cuò)誤：java.io.NotSerializableException: java.time.format.DateTimeFormatter    at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1185)    at java.base/java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1553)    at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1510)    at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1433)    at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1179)    at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:349)    at java.base/java.util.ArrayList.writeObject(ArrayList.java:791)    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)    at java.base/java.lang.reflect.Method.invoke(Method.java:564)    at java.base/java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1130)    at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1497)    at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1433)    at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1179)    at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:349)    at BikeNow.saveRent(BikeNow.java:330)    at BikeNow.main(BikeNow.java:114)