wms-java/src/main/java/com/gaotao/config/MyMetaObjectHandler.java

package com.gaotao.config;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.gaotao.modules.sys.entity.SysUserEntity;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.shiro.SecurityUtils;
import org.springframework.stereotype.Component;

import java.util.Date;

/*
 * @Author li_she
 * @Description 自定义自动填充策略      @TableField(fill = FieldFill.INSERT)
 * @Date 2021/4/14 10:12
 **/
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
    private Logger logger = LogManager.getLogger(getClass());

    @Override
    public void insertFill(MetaObject metaObject) {
        logger.info("start insert fill ....");
        this.strictInsertFill(metaObject,"createdDate",Date.class, new Date());
        
        try {
            SysUserEntity user = (SysUserEntity) SecurityUtils.getSubject().getPrincipal();
            if (user != null) {
                this.strictInsertFill(metaObject,"site",String.class, user.getSite());
                this.strictInsertFill(metaObject,"createdBy",String.class, user.getUserDisplay());
            } else {
                // 当没有用户上下文时，使用默认值
                this.strictInsertFill(metaObject,"site",String.class, "SYSTEM");
                this.strictInsertFill(metaObject,"createdBy",String.class, "SYSTEM");
                logger.warn("No user context found, using default values for site and createdBy");
            }
        } catch (Exception e) {
            // 当获取用户信息失败时，使用默认值
            this.strictInsertFill(metaObject,"site",String.class, "SYSTEM");
            this.strictInsertFill(metaObject,"createdBy",String.class, "SYSTEM");
            logger.warn("Failed to get user context, using default values: " + e.getMessage());
        }
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        logger.info("start update fill ....");
        this.strictUpdateFill(metaObject, "updatedDate", Date.class, new Date());
    }

}