sun-soft

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spring boot 的application.properties mapper.before=true mapper.not-empty=false mapper.ORDER=BEFORE [email protected]@uuid() java对象的主键 @Id @Column(name = "Id") @GeneratedValue(generator ="UUID") private String id; 数据库可以插入uuid,java对象的主键还是为空,上面的两个链接也看了,没找到原因。