6. 화면 구현 -select, insert 생성 *controller 생성(BoardController.java) package com.example.controller; import com.example.entity.Board; import com.example.repository.BoardRepository; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Sort; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework..