MyBatis-Plus标签@TableField之fill自动填充方式

@Data
public class User {
    @TableId(type = IdType.NONE)
    private Long id;
    private String userName;
    private String passWord;
    @TableField(fill = FieldFill.INSERT)
    private Date createTime;
    @TableField(fill = FieldFill.INSERT_UPDATE)
    private Date updateTime;
}

@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
    @Override
    public void insertFill(MetaObject metaObject) {
        this.setFieldValByName("createTime",new Date(),metaObject);
        this.setFieldValByName("updateTime",new Date(),metaObject);
    }
    @Override
    public void updateFill(MetaObject metaObject) {
        this.setFieldValByName("updateTime",new Date(),metaObject);
    }
}

/**
 * @USER WSF
 * @DATE 2020/8/10 13:41
 **/
@SpringBootConfiguration
public class MetaObjectConfig implements MetaObjectHandler
{
    @Override
    public void insertFill(MetaObject metaObject) {
        //拿到类是否有此字段
        boolean hasGetter = metaObject.hasGetter("createDate");
        if (hasGetter)
        {
            // this.strictInsertFill(metaObject,"字段名对应你的实体类的字段名",String.class,"Value");
            this.strictInsertFill(metaObject,"createDate", LocalDateTime.class,LocalDateTime.now());
        }
    }
    @Override
    public void updateFill(MetaObject metaObject)
    {
        Object upDateTime = getFieldValByName("upDateTime", metaObject);
        if (upDateTime == null)
        {
            this.strictUpdateFill(metaObject,"upDate",LocalDateTime.class,LocalDateTime.now());
        }
    }
}

@Data
@TableName("t_user")
public class User {
    
    @TableId(type = IdType.AUTO)
    private Integer id;
    
    @TableField("user_name")
    private String username;
    
    @TableField("pass_word")
    private String password;
    /**
     * 如果要实现自动填充则加上
     * fill = FieldFill.INSERT新增时自动填充
     * fill = fill = FieldFill.INSERT_UPDATE新增和修改都自动填充
     * fill = FieldFill.DEFAULT 删除时自动填充
     */
    @TableField(value = "crate_date",fill = FieldFill.INSERT)
    private LocalDateTime createDate;  //新增时间  
    
    @TableField(value = "up_name",fill = FieldFill.UPDATE)
    private String upName;  //更新人
    
    // ...................
}