JSP 게시판 만들기 - view.jsp(2020.08.27 완성)

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ page import="java.io.PrintWriter"%>
<%@ page import="bbs.Bbs"%>
<%@ page import="bbs.BbsDAO"%>
 
<!DOCTYPE html>
 
<html>
 
<head>
 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 
<!-- 뷰포트 -->
 
<meta name="viewport" content="width=device-width" initial-scale="1">
 
<!-- 스타일시트 참조  -->
 
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/custom.css">
 
<title>프로젝트 JSP 게시판 웹사이트</title>
 
</head>
 
<body>
    <!-- 로그인 된 사람은 로그인 정보를 담을 수 있게 만들어줌 -->
    <%
        String userID = null; //그렇지 않으면 null값
    if (session.getAttribute("userID") != null) {
        userID = (String) session.getAttribute("userID");
    }
    int bbsID = 0;
    if (request.getParameter("bbsID") != null) {
        bbsID = Integer.parseInt(request.getParameter("bbsID"));
    }
    if (bbsID == 0) {
        PrintWriter script = response.getWriter();
        script.println("<script>");
        script.println("alert('선택한 글이 없습니다.')");
        script.println("location.href='bbs.jsp'"); //이미 로그인이 되면 또 로그인 못하게 해줌
        script.println("</script>");
    }
    Bbs bbs = new BbsDAO().getBbs(bbsID); //유효한 글이라면 bbsID가 0이아니므로 구체적인 정보를 Bbs란 인스턴스안에 담을 수 있도록 해준다.
    %>
 
    <!-- 네비게이션  -->
 
    <nav class="navbar navbar-default">
 
        <div class="navbar-header">
 
            <button type="button" class="navbar-toggle collapsed"
                data-toggle="collapse" data-target="#bs-example-navbar-collapse-1"
                aria-expaned="false">
 
                <span class="icon-bar"></span> <span class="icon-bar"></span> <span
                    class="icon-bar"></span>
 
            </button>
 
            <a class="navbar-brand" href="main.jsp">kobalja의 게시판</a>
 
        </div>
 
        <div class="collapse navbar-collapse"
            id="#bs-example-navbar-collapse-1">
 
            <ul class="nav navbar-nav">
 
                <li><a href="main.jsp">메인</a></li>
                <!-- <--- 현재 접속 페이지가 메인이란 걸 알려줌 -->
 
                <li class="active"><a href="bbs.jsp">게시판</a></li>
 
            </ul>
            <%
                if (userID == null) {
            %>
            <ul class="nav navbar-nav navbar-right">
 
                <li class="dropdown"><a href="#" class="dropdown-toggle"
                    data-toggle="dropdown" role="button" aria-haspopup="true"
                    aria-expanded="false">접속하기<span class="caret"></span></a>
 
                    <ul class="dropdown-menu">
 
                        <li><a href="login.jsp">로그인</a></li>
                        <li><a href="join.jsp">회원가입</a></li>
 
                    </ul></li>
            </ul>
            <%
                } else {
            %>
            <ul class="nav navbar-nav navbar-right">
 
                <li class="dropdown"><a href="#" class="dropdown-toggle"
                    data-toggle="dropdown" role="button" aria-haspopup="true"
                    aria-expanded="false">회원관리<span class="caret"></span></a>
 
                    <ul class="dropdown-menu">
                        <li><a href="logoutAction.jsp">로그아웃</a></li>
                    </ul></li>
            </ul>
            <%
                }
            %>
        </div>
 
    </nav>
 
    <!-- 게시판 화면 -->
    <div class="container">
        <div class="row">
            <table class="table table-striped"
                style="text-align: center; border: 1px solid #dddddd">
                <thead>
                    <tr>
                        <th colspan="3"
                            style="background-color: #eeeeee; text-align: center;">게시판 글
                            보기</th>
                    </tr>
                </thead>
                <tbody>
                    <!--특수문자 및 공백도 출력시키게 함으로써 XSS공격해킹기법을 막아줄 수 있다. -->
                    <tr>
                        <td style="width: 20%;">글 제목</td>
                        <td colspan="2"><%=bbs.getBbsTitle().replaceAll(" ", "&nbsp").replaceAll("<", "&lt").replaceAll(">", "&gt").replaceAll("\n",
        "<br>")%></td>
                    </tr>
                    <tr>
                        <td>작성자</td>
                        <td colspan="2"><%=bbs.getUserID()%></td>
                    </tr>
                    <tr>
                        <td>작성일자</td>
                        <td colspan="2"><%=bbs.getBbsDate().substring(0, 11) + bbs.getBbsDate().substring(11, 13) + "시"
        + bbs.getBbsDate().substring(14, 16) + "분"%></td>
                    </tr>
                    <tr>
                        <!-- 특수문자 및 공백 출력시키기-->
                        <td>내용</td>
                        <td colspan="2">
                            <div class="bbs-content"
                                style="min-height: 200px; text-align: left">
                                <%=bbs.getBbsContent().replaceAll(" ", "&nbsp").replaceAll("<", "&lt").replaceAll(">", "&gt").replaceAll("\n",
        "<br>")%>
                            </div>
                        </td>
                    </tr>
                    </tr>
                </tbody>
            </table>
            <!-- 목록으로 돌아갈 수 있게 버튼 만들기, 현재 글로 들어온 작성자가 본인일때   a태그를 이용한 수정 삭제 가능하게 함 -->
            <a href="bbs.jsp" class="btn btn-primary">목록</a>
            <%
                if (userID != null && userID.equals(bbs.getUserID())) {
            %>
            <a href="update.jsp?bbsID=<%=bbsID%>" class="btn btn-primary">수정</a>
            <!-- 삭제 버튼 클릭 시 삭제하시겠습니까 메시지 띄우기 -->
            <a onclick="return confirm('삭제하시겠습니까?')"
                href="deleteAction.jsp?bbsID=<%=bbsID%>" class="btn btn-primary">삭제</a>
            <%
                }
            %>
            <!-- 글쓰기 버튼 불필요 -->
            <!-- <input type="submit" class="btn btn-primary pull-right" value="글쓰기"></a> -->
        </div>
    </div>
 
 
    <!-- 애니매이션 담당 JQUERY -->
 
    <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
 
    <!-- 부트스트랩 JS  -->
 
    <script src="js/bootstrap.js"></script>
 
 
 
</body>
 
</html>
 
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