package cn.lili.mybatis.mybatisplus;
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import cn.lili.common.security.AuthUser;
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import cn.lili.common.security.context.UserContext;
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import cn.lili.common.utils.SnowFlake;
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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.springframework.stereotype.Component;
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import java.util.Date;
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/**
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* 字段填充审计
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*
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* @author lili
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*/
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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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AuthUser authUser = UserContext.getCurrentUser();
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if (authUser != null) {
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this.setFieldValByName("createBy", authUser.getUsername(), metaObject);
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} else {
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this.setFieldValByName("createBy", "SYSTEM", metaObject);
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}
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//有创建时间字段,切字段值为空
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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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//有值,则写入
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if (metaObject.hasGetter("deleteFlag")) {
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if (metaObject.getValue("deleteFlag") == null) {
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this.setFieldValByName("deleteFlag", false, metaObject);
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}
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}
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if (metaObject.hasGetter("id")) {
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//如果已经配置id,则不再写入
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if (metaObject.getValue("id") == null) {
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this.setFieldValByName("id", String.valueOf(SnowFlake.getId()), metaObject);
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}
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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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AuthUser authUser = UserContext.getCurrentUser();
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if (authUser != null) {
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this.setFieldValByName("updateBy", authUser.getUsername(), metaObject);
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}
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this.setFieldValByName("updateTime", new Date(), metaObject);
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}
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}
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