CommentDaopackage com.example.board.dao;import com.example.board.dto.Comment;import com.example.board.dto.Post;import org.springframework.jdbc.core.BeanPropertyRowMapper;import org.springframework.jdbc.core.RowMapper;import org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource;import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;import org.springframework...