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[问与答] Java 如何关联出用户的名字

发表于
业务表中存了多项关联数据的 id 展示列表的时候需要展示关联数据的中文标题,操作人的中文名等等
应该在 sql 中 left join
还是根据列表中的各项 id 组成各项 ids,去批量查 在 for 循环赋值?

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