mybatisplus的公共字段插入的实现

Mybatis的公共字段插入的实现，具体内容如下所示：

公共的基础类

package com.yss.common.domain;

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 com.baomidou.mybatisplus.extension.activerecord.Model;
import lombok.Data;

import java.util.Date;


@Data
public abstract class BasicEntity > extends Model {
 @TableId(value = "ID",type = IdType.ASSIGN_ID)
 private String id;
 @TableField(value = "CREATOR_ID",fill = FieldFill.INSERT )
 private String creatorId;
 @TableField(value = "CREATOR",fill = FieldFill.INSERT)
 private String creator;
 @TableField(value = "CREATETIME",fill = FieldFill.INSERT)
 private Date createTime;
 @TableField(value = "MODIFY_ID",fill = FieldFill.UPDATE)
 private String modifyId;
 @TableField(value = "MODIFY_BY",fill = FieldFill.UPDATE)
 private String modifyBy;
 @TableField(value = "MODIFYTIME",fill = FieldFill.UPDATE)
 private Date modifyTime;
 @TableField("DELETED")
 private int deleted;
}

该类定义了主要基于泛型，以及公共插入（createor/creatorid）与更新的字段（modifyid/modifyby）。
新增注解：@TableField(value = “CREATETIME”,fill = FieldFill.INSERT)
更新注解：@TableField(value = “MODIFY_BY”,fill = FieldFill.UPDATE)

MybatisPlus对公共字段的配置

package com.yss.common.utils;

import com.baomidou.mybatisplus.core.handlers.metaObjectHandler;
import com.yss.common.domain.SSOUserInfo;
import org.apache.ibatis.reflection.metaObject;
import org.springframework.stereotype.Component;

import java.util.Date;



@Component
public class MybatisAuditHandler implements metaObjectHandler {
 @Override
 public void insertFill(metaObject metaObject) {
  SSOUserInfo ssoUserInfo = UserInfoUtils.getThreadUserInfo();
  this.strictInsertFill(metaObject,"creatorId",String.class, ssoUserInfo.getId());
  this.strictInsertFill(metaObject,"creator", String.class,ssoUserInfo.getUserPrincipalName());
  this.strictInsertFill(metaObject,"createTime", Date.class,new Date());
 }

 @Override
 public void updateFill(metaObject metaObject) {
  SSOUserInfo ssoUserInfo = UserInfoUtils.getThreadUserInfo();
  this.strictInsertFill(metaObject,"modifyId",String.class, ssoUserInfo.getId());
  this.strictInsertFill(metaObject,"modifyBy", String.class,ssoUserInfo.getUserPrincipalName());
  this.strictInsertFill(metaObject,"modifyTime", Date.class,new Date());
 }
}

需要注意的是采用@component注解，告知spring容器是一个bean等。这样的话就实现了mybatisplus的公共自断的新增与更改。
要注意的是，在进行handler方法重写时，
this.strictInsertFill(metaObject,“creator”, String.class,ssoUserInfo.getUserPrincipalName());
这是自的是实体类的字段，并不是数据库对应字段。

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