package com.ruoyi.framework.mybatisplus;
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import cn.hutool.http.HttpStatus;
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import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
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import com.ruoyi.common.core.domain.entity.SysUser;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.SecurityUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.ibatis.reflection.MetaObject;
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import java.util.Date;
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/**
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* MP注入处理器
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*
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* @author Lion Li
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* @date 2021/4/25
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*/
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@Slf4j
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public class CreateAndUpdateMetaObjectHandler implements MetaObjectHandler {
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@Override
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public void insertFill(MetaObject metaObject) {
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try {
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//根据属性名字设置要填充的值
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if (metaObject.hasGetter("createTime")) {
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this.setFieldValByName("createTime", new Date(), metaObject);
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}
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if (metaObject.hasGetter("createBy")) {
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this.setFieldValByName("createBy", getLoginUsername(), metaObject);
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}
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} catch (Exception e) {
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throw new ServiceException("自动注入异常 => " + e.getMessage(), HttpStatus.HTTP_UNAUTHORIZED);
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}
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updateFill(metaObject);
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}
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@Override
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public void updateFill(MetaObject metaObject) {
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try {
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if (metaObject.hasGetter("updateBy")) {
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this.setFieldValByName("updateBy", getLoginUsername(), metaObject);
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}
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if (metaObject.hasGetter("updateTime")) {
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this.setFieldValByName("updateTime", new Date(), metaObject);
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}
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} catch (Exception e) {
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throw new ServiceException("自动注入异常 => " + e.getMessage(), HttpStatus.HTTP_UNAUTHORIZED);
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}
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}
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/**
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* 获取登录用户名
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*/
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private String getLoginUsername() {
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SysUser loginUser;
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try {
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loginUser = SecurityUtils.getUser();
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} catch (Exception e) {
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log.warn("自动注入警告 => 用户未登录");
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return null;
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}
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return loginUser.getUserName();
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}
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}
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