package com.ruoyi.goods.handler;
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import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
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import com.ruoyi.common.security.utils.SecurityUtils;
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import java.time.LocalDateTime;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.ibatis.reflection.MetaObject;
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import org.springframework.stereotype.Component;
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/**
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* 自动填充处理类
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*
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* @author mitao
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* @date 2024-05-16
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*/
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@Slf4j
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@Component
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public class MyMetaObjectHandler implements MetaObjectHandler {
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@Override
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public void insertFill(MetaObject metaObject) {
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// 获取当前登录用户
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String userName = SecurityUtils.getUsername();
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fillValue("createBy", userName, metaObject);
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fillValue("createTime", LocalDateTime.now(), metaObject);
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}
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@Override
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public void updateFill(MetaObject metaObject) {
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// 获取当前登录用户
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String userName = SecurityUtils.getUsername();
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fillValue("updateBy", userName, metaObject);
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fillValue("updateTime", LocalDateTime.now(), metaObject);
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}
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private void fillValue(String fieldName, Object data, MetaObject metaObject) {
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if (metaObject.hasSetter(fieldName)) {
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// 值为空时设置默认值
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Object sidObj = getFieldValByName(fieldName, metaObject);
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if (sidObj == null || "updateBy".equals(fieldName) || "updateTime".equals(fieldName)) {
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setFieldValByName(fieldName, data, metaObject);
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}
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}
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}
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}
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