配置
package com.tay.teaiyang.config;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.soecode.wxtools.util.DateUtil;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;
import java.util.Date;
@Component
public class MetaObjectHandlerrConfig implements MetaObjectHandler {
@Override
public void insertFill(MetaObject metaObject) {
//默认未删除
setFieldValByName("deletedFlag", "0",metaObject);
//创建时间默认当前时间
setFieldValByName("createdTime", DateUtil.getNowTime(),metaObject);
}
@Override
public void updateFill(MetaObject metaObject) {
Date currentDate = new Date();
//修改时间
setFieldValByName("updatedTime",DateUtil.getNowTime(),metaObject);
}
}
使用方法
package com.tay.teaiyang.model;
import com.baomidou.mybatisplus.annotation.*;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@ApiModel("用户和角色关联的实体类") //接收前端post请求来的数据
@TableName("sys_operator_member_data_relation")
public class SysOperatorMemberDataRelation {
@TableId
private String id;
@ApiModelProperty("用户的权限id")
private String date_permission;
@ApiModelProperty("用户的id")
private String member_id;
@TableLogic
@TableField(fill =FieldFill.INSERT )
private String deletedFlag;
private Integer revision;
private String createdBy;
@TableField(fill = FieldFill.INSERT)
private String createdTime;
private String updatedBy;
@TableField(fill = FieldFill.UPDATE)
private String updatedTime;
}
相当于一个拦截器一样,在对数据增加或者修改时 先对数据中的字段填充再进行之后的操作。