@Param @RequestParam

@Param - mapper와 연결

<update id="doUpdate">
    UPDATE coffee_menu
    SET coffee = #{coffee}, kind = #{kind}, price = CAST(#{price} as INTEGER)
    WHERE no = CAST(#{no} as INTEGER)
</update>    

@Mapper
public interface MenuDao {
   
    void doUpdate(@Param("no") String no,
                  @Param("coffee") String coffee,
                  @Param("kind") String kind,
                  @Param("price") String price);
}

@RequestParam - url 파라미터 연결(http://~~~?no=1)

// 메뉴 수정
@GetMapping("/menu_up")
public String doUpdate(@RequestParam("no") String strNo, Model model) {

      		  .......
}

@PathVariable - url (http://~~~/no/1)

@PostMapping("/menu_up/{no}")
public String doUpdate(@PathVariable("no") String no) {
			........
}