resultType或者resultMap可以不写吗?
答案: 要写
如果不写的话,会异常
org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement '****(具体的sql方法)' It's likely that neither a Result Type nor a Result Map was specified.
at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.validateResultMapsCount(DefaultResultSetHandler.java:222)