smart cast 'xxx' to is impossible,because 'xxx' is a mutable property that could have been changed by this time
private var personDaoImpl: SysPersonDaoImpl? = null
一般是申明的时候指定了可以为空 但实际为null时,kotlin无法智能转换 ,修改成:
private lateinit var personDaoImpl: SysPersonDaoImpl
posted on 2019-09-30 16:26 caosiqiao 阅读(2648) 评论(0) 编辑 收藏 举报