ssm項目,使用parameterType的包裝類時，報錯org.springframework.beans.InvalidPropertyException

User類【有Headphoto類】 Headphoto類 UserDao.java UserDao.xml 報錯： 嚴重: Servlet.service() for servlet [springmvc] in context with path [/WeiQ] threw exception [Request processing failed; nested exception is or

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