Serializable自动生成的serialVersionUI

使用Jdk自带工具serialver

serialver -classpath service-0.0.1-SNAPSHOT.jar.original me.olook.open.pay.bo.ReceiptItem

打印信息

me.olook.open.pay.bo.ReceiptItem:    private static final long serialVersionUID = 7213417895008796614L;