깔끔한 로그인

-- 표시용 닉네임 컬럼 추가
ALTER TABLE mymember ADD COLUMN nick VARCHAR(30) AFTER pwd;

-- 기존 회원에게 임시 nick 채우기
UPDATE mymember SET nick = id WHERE nick IS NULL;

// com.smhrd.domain.Member — 필드 추가
@Data @AllArgsConstructor @NoArgsConstructor
public class Member {
    private String id;
    private String pwd;
    private String nick;     // ← 추가
}

// com.smhrd.interceptor.LoginInterceptor
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest req, HttpServletResponse resp, Object h)
            throws Exception {
        HttpSession session = req.getSession();
        if (session.getAttribute("loginUser") == null) {
            resp.sendRedirect(req.getContextPath() + "/login");
            return false;     // 컨트롤러 호출 안 함
        }
        return true;
    }
}

<!-- servlet-context.xml -->
<interceptors>
    <interceptor>
        <mapping path="/board/write"/>
        <mapping path="/mypage/**"/>
        <beans:bean class="com.smhrd.interceptor.LoginInterceptor"/>
    </interceptor>
</interceptors>

<!-- header.jsp (공통) -->
<c:choose>
    <c:when test="${not empty sessionScope.loginUser}">
        ${sessionScope.loginUser.nick}님 |
        <a href="/logout">로그아웃</a>
    </c:when>
    <c:otherwise>
        <a href="/login">로그인</a>
    </c:otherwise>
</c:choose>

<!-- board/list.jsp -->
<%@ include file="/WEB-INF/views/header.jsp" %>
... 본문 ...

로그아웃 상태에서 보호 URL 직접 접근 → 자동 리다이렉트 확인.