mybatisplus自动填充值：添加信息，自动添加创建时间，更新信息，自动更新信息

    //开始时间
    @ApiModelProperty(value = "开始时间")
    @TableField(fill = FieldFill.INSERT)
    private LocalDateTime createTime ;

    //更新时间
    @ApiModelProperty(value = "更新时间")
    @TableField(fill = FieldFill.INSERT_UPDATE)
    private LocalDateTime updateTime;

package org.jeecg.modules.utils;/**


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;




@Component
@Slf4j
public class MyMetaObjectHandler implements MetaObjectHandler {
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("start insert field....");
        this.setFieldValByName("createTime", LocalDateTime.now(),metaObject);
        this.setFieldValByName("updateTime", LocalDateTime.now(),metaObject);
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        this.setFieldValByName("updateTime", LocalDateTime.now(),metaObject);
    }
}