自动生成id

package com.uih.servicecenter.common.entity;

import com.baomidou.mybatisplus.annotation.FieldFill;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import lombok.Data;
import java.io.Serializable;
import java.sql.Timestamp;

/**
 * @ClassName: BaseEntity
 * @Description: 基础实体类
 * @Author: liang.yan@united-imging.com
 * @date: 2019/8/15
 *
 *
 */
@Data
public class BaseEntity implements Serializable {
    private static final long serialVersionUID = 7732699947578613249L;
    /**
     * 主键
     */
    @TableId(value = "REFID",type = IdType.ID_WORKER_STR)
    private String refid;
    /**
     *createUserRefid 创建者关联id
     */
    @TableField(value = "CREATE_USER_REFID",fill = FieldFill.INSERT)
    private String createUserRefid;

    /**
     *createDateTime 创建时间
     */
    @TableField(value = "CREATE_DATETIME",fill = FieldFill.INSERT)
    private Timestamp createDatetime;

    /**
     *modifyUserRefid 修改者关联id
     */
    @TableField(value = "MODIFY_USER_REFID",fill = FieldFill.UPDATE)
    private String modifyUserRefid;

    /**
     *modifyDateTime 修改时间
     */
    @TableField(value = "MODIFY_DATETIME", fill = FieldFill.INSERT_UPDATE)
    private Timestamp modifyDatetime;

    /**
     *version 版本号
     */
    @TableField(value = "VERSION")
    private Integer version;

    /**
     * 是否有效
     */
    @TableField(value = "ACTIVE",fill = FieldFill.INSERT)
    private Integer active;

    /**
     *  deleted 删除状态
     */
    @TableField(value = "DELETED",fill = FieldFill.INSERT)
    private Integer deleted;
}

CREATE TABLE `device_info` (
`REFID` varchar(32) NOT NULL,
`ACTIVE` tinyint(1) DEFAULT NULL,
`DELETED` tinyint(1) DEFAULT NULL,
`CREATE_USER_REFID` varchar(32) DEFAULT NULL,
`CREATE_DATETIME` datetime DEFAULT NULL,
`MODIFY_USER_REFID` varchar(32) DEFAULT NULL,
`MODIFY_DATETIME` datetime DEFAULT NULL,
`VERSION` smallint(6) DEFAULT NULL,
PRIMARY KEY (`REFID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

package com.uih.servicecenter.common.config;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.sql.Timestamp;

/**
* @ClassName: MyMetaObjectHandler
* @Description: 设置数据库字段的字段填充
* @Author: liang.yan@united-imging.com
* @date: 2019/9/16
*
*
*/
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
@Override
public void insertFill(MetaObject metaObject) {
this.setFieldValByName("createDatetime",new Timestamp(System.currentTimeMillis()),metaObject);
this.setFieldValByName("modifyDatetime",new Timestamp(System.currentTimeMillis()),metaObject);
this.setFieldValByName("active",1,metaObject);
this.setFieldValByName("deleted",0,metaObject);
}

@Override
public void updateFill(MetaObject metaObject) {
this.setFieldValByName("modifyDatetime",new Timestamp(System.currentTimeMillis()),metaObject);
}
}