Method remove

ch4/BoardController3.java:81–96

(Integer bno, SearchCondition sc, RedirectAttributes rattr, HttpSession session)

    }

    @PostMapping("/remove")
    public String remove(Integer bno, SearchCondition sc, RedirectAttributes rattr, HttpSession session) {
        String writer = (String)session.getAttribute("id");
        String msg = "DEL_OK";

        try {
            if(boardService.remove(bno, writer)!=1)
                throw new Exception("Delete failed.");
        } catch (Exception e) {
            e.printStackTrace();
            msg = "DEL_ERR";
        }

        rattr.addFlashAttribute("msg", msg);
        return "redirect:/board/list"+sc.getQueryString();
    }

    @GetMapping("/list")
    public String list(Model m, SearchCondition sc, HttpServletRequest request) {