SpringBoot中實體類的實用註解

import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import java.util.Date;

public class UserPojo {
    private Integer id;
    private String userName;
    //忽略該屬性，不展示
    @JsonIgnore
    private String passWord;
    //日期格式化展示
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss a",locale = "zh",timezone = "GMT+8")
    private Date birth;
    //當該數據爲null時，不展示該數據
    @JsonInclude(JsonInclude.Include.NON_NULL)
    private String phone;
    private String email;
}