"select count(*) ",
"from admin ",
"where username = #{un} ",
"and password = #{pw}"
})
<BUG>int selectByPw(@Param("un") String username, @Param("pw") String password) throws Exception;
</BUG>
@Select({
"select count(*) ",
"from admin ",

"select count(*) ",
"from admin ",
"where username = #{un} ",
"and password = #{pw}"
})
int selectByPw(@Param("un") String username, @Param("pw") String password) throws RuntimeException;
@Select({
"select count(*) ",
"from admin ",
