org.hibernate.TransientObjectException:The given object has a null identifier
1、错误描述
org.hibernate.TransientObjectException:The given object has a null identifier:com.you.model.UserInfo
2、错误原因
在hibernate映射文件给了一个id,并且是自增,但是在修改时未给id赋值
3、解决办法
在修改的过程中,给id赋值
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