1.多参数不能使用parameterType,SQL语句中直接用#{index},是第几个就用第几个的索引,索引从0开始
例:
dao中
void userDeleteById(int startId, int endId);
mapper.xml中
<delete id="userDeleteById">
delete from users where id between #{0} and #{1}
</delete>
<!--此处#{0}表示startId,#{1}表示endId-->