- 在你指定的属性上加上注解
@TableField
/* 插入时填充 */
@TableField(fill = FieldFill.INSERT)
private LocalDateTime createTime;
/* 第一次插入和之后更新时填充 */
@TableField(fill = FieldFill.INSERT_UPDATE)
private LocalDateTime updateTime;
- 写个配置类实现
MetaObjectHandler
接口,
package com.sage.config.mp;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;
import java.time.LocalDateTime;
@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
@Override
public void insertFill(MetaObject metaObject) {
log.info("start insert fill ....");
this.setInsertFieldValByName("createTime", LocalDateTime.now(), metaObject);
this.setUpdateFieldValByName("updateTime", LocalDateTime.now(), metaObject);
}
@Override
public void updateFill(MetaObject metaObject) {
log.info("start update fill ....");
this.setUpdateFieldValByName("updateTime", LocalDateTime.now(), metaObject);
}
}

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