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並前往http://www.timeglobal.cn/programming/q_5168/whats-the-difference-between-joincolumn-and-mappedby-when-using-a-jpa-onetoma/

使用JPA@OneToMany关联时，@JoinColumn和mappedBy有 ...

两者之间的区别是什么： @Entity public class Company { @OneToMany(cascade = CascadeType.ALL , fetch = FetchType.LAZY) @JoinColumn(name = "companyIdRef" ...

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