@ManyToMany(fetch = FetchType.EAGER,targetEntity = Menu.class)
@JoinTable(name="t_role_menu",joinColumns = {@JoinColumn(name = "RMroleId", referencedColumnName = "id")},
inverseJoinColumns = {@JoinColumn(name = "RMmenuId", referencedColumnName ="menuId")})
并且想让双方都是主控方,可是为什么会提示不能有两个