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JPA OneToMany不删除子级
我对@OneToMany父实体和子实体之间的简单映射有疑问。一切正常，只有当我从集合中删除子记录时，才会删除它们。 父母： @Entity public class Parent { @Id @Column(name = "ID") private Long id; @OneToMany(cascade = {CascadeType.ALL}, mappedBy = "parent") private Set<Child> childs = new HashSet<Child>(); ... } 孩子： @Entity public class Child { @Id @Column(name = "ID") private Long id; @ManyToOne(cascade = CascadeType.ALL) @JoinColumn(name="PARENTID", nullable = false) private Parent …