Mybatis 的接口式编程配置文件中怎么用id删除一条数据，老是空的？

Question

DEBUG [com.imooc.dao.IMessage.deleteOne] - ==>  Preparing: delete from MESSAGE where ID = ? DEBUG [com.imooc.dao.IMessage.deleteOne] - ==> Parameters: nullDEBUG [com.imooc.dao.IMessage.deleteOne] - <==    Updates: 0

Answer 1

你的入参没有传递过去。