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/* |
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Copyright [2020] [https://www.xiaonuo.vip] |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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Snowy采用APACHE LICENSE 2.0开源协议,您在使用过程中,需要注意以下几点: |
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1.请不要删除和修改根目录下的LICENSE文件。 |
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2.请不要删除和修改Snowy源码头部的版权声明。 |
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3.请保留源码和相关描述文件的项目出处,作者声明等。 |
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4.分发源码时候,请注明软件出处 https://gitee.com/xiaonuobase/snowy |
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5.在修改包名,模块名称,项目代码等时,请注明软件出处 https://gitee.com/xiaonuobase/snowy |
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6.若您的项目无法满足以上几点,可申请商业授权,获取Snowy商业授权许可,请在官网购买授权,地址为 https://www.xiaonuo.vip |
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*/ |
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package vip.xiaonuo.sys.core.mybatis.fieldfill; |
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import cn.hutool.core.util.ObjectUtil; |
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import cn.hutool.log.Log; |
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import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler; |
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import org.apache.ibatis.reflection.MetaObject; |
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import org.apache.ibatis.reflection.ReflectionException; |
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import vip.xiaonuo.core.context.login.LoginContextHolder; |
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import vip.xiaonuo.core.pojo.login.SysLoginUser; |
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import java.util.Date; |
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/** |
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* 自定义sql字段填充器,自动填充创建修改相关字段 |
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* |
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* @author xuyuxiang |
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* @date 2020/3/30 15:21 |
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*/ |
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public class CustomMetaObjectHandler implements MetaObjectHandler { |
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private static final Log log = Log.get(); |
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private static final String CREATE_USER = "createUser"; |
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private static final String CREATE_TIME = "createTime"; |
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private static final String UPDATE_USER = "updateUser"; |
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private static final String UPDATE_TIME = "updateTime"; |
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@Override |
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public void insertFill(MetaObject metaObject) { |
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try { |
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//为空则设置createUser(BaseEntity) |
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Object createUser = metaObject.getValue(CREATE_USER); |
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if(ObjectUtil.isNull(createUser)) { |
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setFieldValByName(CREATE_USER, this.getUserUniqueId(), metaObject); |
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} |
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//为空则设置createTime(BaseEntity) |
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Object createTime = metaObject.getValue(CREATE_TIME); |
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if(ObjectUtil.isNull(createTime)) { |
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setFieldValByName(CREATE_TIME, new Date(), metaObject); |
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} |
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} catch (ReflectionException e) { |
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log.warn(">>> CustomMetaObjectHandler处理过程中无相关字段,不做处理"); |
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} |
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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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//设置updateUser(BaseEntity) |
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setFieldValByName(UPDATE_USER, this.getUserUniqueId(), metaObject); |
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//设置updateTime(BaseEntity) |
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setFieldValByName(UPDATE_TIME, new Date(), metaObject); |
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} catch (ReflectionException e) { |
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log.warn(">>> CustomMetaObjectHandler处理过程中无相关字段,不做处理"); |
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} |
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} |
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/** |
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* 获取用户唯一id |
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*/ |
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private Long getUserUniqueId() { |
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try { |
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SysLoginUser sysLoginUser = LoginContextHolder.me().getSysLoginUserWithoutException(); |
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if(ObjectUtil.isNotNull(sysLoginUser)) { |
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return sysLoginUser.getId(); |
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} else { |
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return -1L; |
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} |
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} catch (Exception e) { |
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//如果获取不到就返回-1 |
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return -1L; |
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} |
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} |
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} |