实体类为什么用Integer而不是int呢
//主键ID private areaId; //名称 private String areaName; //权重(越大越排前显示) private priority; //创建时间 private Date createTime; //更新时间 private Date lastEditTime;
什么叫为了以后非空校验?
//主键ID private areaId; //名称 private String areaName; //权重(越大越排前显示) private priority; //创建时间 private Date createTime; //更新时间 private Date lastEditTime;
什么叫为了以后非空校验?
2018-05-27
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