jty/src/main/java/jty/expressdistributionsystem/config/MyMetaObjectHandler.java

package jty.expressdistributionsystem.config;

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

import java.time.LocalDateTime;

@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
    private static final ThreadLocal<Boolean> skipUpdateFill = new ThreadLocal<>();

    public static void setSkipUpdateFill(boolean skip) {
        skipUpdateFill.set(skip);
    }

    @Override
    public void insertFill(MetaObject metaObject) {
        this.strictInsertFill(metaObject, "createTime", LocalDateTime::now, LocalDateTime.class);
        this.strictInsertFill(metaObject, "updateTime", LocalDateTime::now, LocalDateTime.class);
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        if (skipUpdateFill.get() == null || !skipUpdateFill.get()) {
            this.strictUpdateFill(metaObject, "updateTime", LocalDateTime::now, LocalDateTime.class);
        }
    }
}