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                            ## 配置
User類:
~~~
//配置多對多的關系
//targetEntity:對方的字節碼文件.mappedBy:自己在對方的屬性名
@ManyToMany(targetEntity = Role.class)
@JoinTable(
        //中間表名
        name = "user_role",
        joinColumns = {
                //name:自己在中間表外鍵字段名.referencedColumnName:指向自己的主鍵字段名.
                @JoinColumn(name = "user_id", referencedColumnName = "id")
        },
        inverseJoinColumns = {
                //name:對方在中間表的外鍵字段名.referencedColumnName:指向對方主鍵名.
                @JoinColumn(name = "role_id", referencedColumnName = "id")
        })
private Set<Role> roles = new HashSet<>();
~~~
Role類:
~~~
//配置多對多的關系
//targetEntity:對方的字節碼文件對象.mappedBy:自己在對方的屬性名.
@ManyToMany(targetEntity = User.class, mappedBy = "roles")
private Set<User> users = new HashSet<>();
~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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