org.hibernate.id.IdentifierGenerationException: id

Spring mvc 用POI 导入Excel数据的时候提示:org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save()。

原因:检查之后发现是因为Excel的数据格式不对。应该是文本,但是表格显示数据是常规。所以大家如果有遇到类似的问题要看一下是否是自己要导入的Excel格式不对,

时间: 2024-09-30 18:05:41

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