小编aqu*_*res的帖子

使用 Wildfly 10 进行以下操作：JSON Web 服务通过 DAO 对象使用 hibernate 访问 postgresql 数据库。

更具体地说，我的 POJO User.java：

@Entity (name="User")
@Table(name = "users")
public class User {


    @Id @GeneratedValue
    @Column(name="id")
    private int id;

    @Column(name="username")
    private String userName;

    @Column(name="password")
    private String password;

    @Column(name="email")
    private String emailAddress;

    public User(String userName, String password, String emailAddress) {
        super();
        this.userName = userName;
        this.password = password;
        this.emailAddress = emailAddress;
    }

    public User() {
        super();
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = …