解：
@Entity@Table(name = "USER")@Access(AccessType.FIELD)public class User implements UserDetails, Serializable { private static final long serialVersionUID = 2L; @Id @Column(name = "USER_ID", updatable=false, nullable=false) @GeneratedValue(strategy = GenerationType.IDENTITY) private long id; @Column(name = "USERNAME") private String username; @Column(name = "PASSWORD") private String password; @Column(name = "NAME") private String name; @Column(name = "EMAIL") private String email; @Column(name = "LOCKED") private boolean locked; @oneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, targetEntity = Role.class) @JoinTable(name = "USER_ROLE", joinColumns = { @JoinColumn(name = "USER_ID") }, inverseJoinColumns = { @JoinColumn(name = "ROLE_ID") }) private Set<Role> roles; @Override public GrantedAuthority[] getAuthorities() { List<GrantedAuthorityImpl> list = new ArrayList<GrantedAuthorityImpl>(0); for (Role role : roles) { list.add(new GrantedAuthorityImpl(role.getRole())); } return (GrantedAuthority[]) list.toArray(new GrantedAuthority[list.size()]); } @Override public boolean isAccountNonExpired() { return true; } @Override public boolean isAccountNonLocked() { return !isLocked(); } @Override public boolean isCredentialsNonExpired() { return true; } @Override public boolean isEnabled() { return true; } public long getId() { return id; } public void setId(long id) { this.id = id; } @Override public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } @Override public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public boolean isLocked() { return locked; } public void setLocked(boolean locked) { this.locked = locked; } public Set<Role> getRoles() { return roles; } public void setRoles(Set<Role> roles) { this.roles = roles; }}Role.java与上面相同。
