티스토리 뷰

Web/Spring

[Spring-Boot] 게시판 CRUD

Aaron 2020. 11. 17. 13:19
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| 게시판


게시판 제작에 필요한 간단한 구조를 정리해보자.



|| Dto


/src/main/java/com/cristoval/web/dto/NoticeDto.java

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public class NoticeDto {
    private int no;
    private String id;
    private String title;
    private String content;
    private String regtime;
 
    public NoticeDto() {};
 
    public NoticeDto(int no, String id, String title, String content, String regtime) {
        this.no = no;
        this.id = id;
        this.title = title;
        this.content = content;
        this.regtime = regtime;
    }
 
    public int getNo() {
        return no;
    }
 
    public void setNo(int no) {
        this.no = no;
    }
 
    public String getId() {
        return id;
    }
 
    public void setId(String id) {
        this.id = id;
    }
 
    public String getTitle() {
        return title;
    }
 
    public void setTitle(String title) {
        this.title = title;
    }
 
    public String getContent() {
        return content;
    }
 
    public void setContent(String content) {
        this.content = content;
    }
 
    public String getRegtime() {
        return regtime;
    }
 
    public void setRegtime(String regtime) {
        this.regtime = regtime;
    }
 
    @Override
    public String toString() {
        return "NoticeDto [no=" + no + ", id=" + id + ", title=" + title + ", content=" + content + ", regtime="
                + regtime + "]";
    }
}
 
cs




|| Controller


/src/main/java/com/cristoval/web/notice/controller/NoticeController.java

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@Controller
@RequestMapping("/notice")
public class NoticeController {
 
    @Autowired
    private NoticeService noticeService;
 
    // 공지사항 목록
    @RequestMapping(value = "/list", method = RequestMethod.GET)
    public String goSearchAll(Model model, @RequestParam Map<String, String> map) {
        String spp = map.get("spp");
        map.put("spp", spp != null ? spp : "10");// sizePerPage
        try {
            List<NoticeDto> list = noticeService.list(map);
            PageNavigation pageNavigation = noticeService.makePageNavigation(map);
            
            model.addAttribute("list", list);
            model.addAttribute("navigation", pageNavigation);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("에러발생");
        }
        return "notice/list";
    }
 
    // 글작성 페이지로 이동
    @RequestMapping(value = "/mvwrite", method = RequestMethod.GET)
    public String goWrite() {
        return "notice/write";
    }
 
    // 글작성
    @RequestMapping(value = "/write", method = RequestMethod.POST)
    public String doWrite(Model model, HttpServletRequest request) {
        HttpSession session = request.getSession();
        UserDto memberDto = (UserDto) session.getAttribute("userDto");
        NoticeDto noticeDto = new NoticeDto();
        if (memberDto != null) {
            noticeDto.setId(request.getParameter("id"));
            noticeDto.setTitle(request.getParameter("title"));
            noticeDto.setContent(request.getParameter("content"));
            System.out.println(noticeDto);
            try {
                noticeService.write(noticeDto);
            } catch (Exception e) {
                e.printStackTrace();
                System.out.println("에러발생");
            }
        } else {
            System.out.println("에러발생");
        }
        return "/notice/writesuccess";
    }
 
    // 글 보기
    @RequestMapping(value = "/show", method = RequestMethod.GET)
    public String show(Model model, HttpServletRequest request) {
        int no = Integer.parseInt(request.getParameter("no"));
        HttpSession session = request.getSession();
        NoticeDto noticeDto;
        try {
            noticeDto = noticeService.show(no);
            
            session.setAttribute("list", noticeDto);
            model.addAttribute("list", noticeDto);
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("처리중 에러가 발생");
            return "error/error";
        }
        return "/notice/show";
    }
 
    // 글수정 페이지로 이동
    @RequestMapping(value = "/mvmodify", method = RequestMethod.GET)
    public String moveModify(HttpServletRequest request) {
        HttpSession session = request.getSession();
        UserDto memberDto = (UserDto) session.getAttribute("userDto");
        session.setAttribute("userDto", memberDto);
        
        return "/notice/modify";
    }
 
    // 글 수정
    @RequestMapping(value = "/modify", method = RequestMethod.POST)
    public String modifyInfo(HttpServletRequest request) {
        HttpSession session = request.getSession();
        NoticeDto noticeDto = new NoticeDto();
        UserDto memberDto = (UserDto) session.getAttribute("userDto");
        
        noticeDto.setId(memberDto.getId());
        noticeDto.setTitle(request.getParameter("title"));
        noticeDto.setContent(request.getParameter("content"));
        noticeDto.setNo(Integer.parseInt(request.getParameter("no")));
        noticeDto.setRegtime(request.getParameter("regtime"));
        System.out.println(noticeDto);
        try {
            noticeService.modifyInfo(noticeDto);
            noticeDto = noticeService.getInfo(noticeDto.getNo());
            session.setAttribute("list", noticeDto);
        } catch (Exception e) {
            e.printStackTrace();
            request.setAttribute("msg", "회원정보 수정 중 문제가 발생했습니다.");
            return "error/error";
        }
        return "notice/show";
    }
 
    // 글 삭제
    @RequestMapping(value = "/delete", method = RequestMethod.GET)
    public String delete(HttpServletRequest request) {
        int no = Integer.parseInt(request.getParameter("no"));
        try {
            noticeService.delete(no);
            HttpSession session = request.getSession();
            session.removeAttribute("list");
        } catch (Exception e) {
            e.printStackTrace();
            request.setAttribute("msg", "공지사항 삭제 중 문제가 발생했습니다.");
        }
        return "notice/deletesuccess";
    }
}
 
cs




|| Mapper(Repo)


/src/main/java/com/cristoval/web/repository/NoticeRepository.java

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public interface NoticeRepository {
    public List<NoticeDto> list(Map<String, Object> param) throws SQLException;
    public int getTotalCount(Map<String, String> map) throws SQLException;
    public void write(NoticeDto noticeDto) throws SQLException;
    public void modifyInfo(NoticeDto noticeDto) throws SQLException;
    public void delete(int no) throws SQLException;
    public NoticeDto show(int no) throws SQLException;
}
cs


/src/main/resources/mapper/notice.xml

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" 
    "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
<mapper namespace="com.cristoval.web.repository.NoticeRepository">
    
    <select id="list" parameterType="map" resultType="NoticeDto">
        select no, id, title, content, regtime
        from notice
        order by no desc
        limit #{start}, #{spp}
    </select>
    
    <select id="show" parameterType="int" resultType="NoticeDto">
        select no, id, title, content, regtime
        from notice
        where no = #{no}
    </select>
 
    <insert id="write" parameterType="NoticeDto">
        insert into notice (id, title, content, regtime)
        values (#{id}, #{title}, #{content}, now())
    </insert>
    
    <update id="modifyInfo" parameterType="NoticeDto">
        update notice
        set title = #{title}, content = #{content}, regtime = now()
        where no = #{no}
    </update>
    
    <delete id="delete" parameterType="int">
        delete from notice
        where no = #{no}
    </delete>
    
    <select id="getTotalCount" parameterType="map" resultType="int">
        select count(no)
        from notice
        <if test="word != null and word != ''">
            <if test="key == 'subject'">
                where subject like concat('%', #{word}, '%')
            </if>
            <if test="key != 'subject'">
                where #{key} = #{word}
            </if>
        </if>
    </select>
</mapper>
cs




|| Service


/src/main/java/com/cristoval/web/service/NoticeService.java

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public interface NoticeService {
    public PageNavigation makePageNavigation(Map<String, String> map) throws Exception;
    public List<NoticeDto> list(Map<String, String> map) throws Exception;
    
    public void write(NoticeDto noticeDto) throws Exception;
    public NoticeDto show(int no) throws SQLException;
    public void modifyInfo(NoticeDto noticeDto) throws SQLException;
    public void delete(int no) throws SQLException;
    public NoticeDto getInfo(int no) throws SQLException;
}
cs


/src/main/java/com/cristoval/web/service/NoticeServiceImpl.java

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@Service
public class NoticeServiceImpl implements NoticeService {
    @Autowired
    private NoticeRepository noticeReop;
 
    @Override
    public void write(NoticeDto noticeDto) throws Exception {
        if (noticeDto.getTitle() == null || noticeDto.getContent() == null)
            throw new Exception();
        noticeReop.write(noticeDto);
    }
 
    @Override
    public NoticeDto show(int no) throws SQLException {
        return noticeReop.show(no);
    }
 
    @Override
    public NoticeDto getInfo(int no) throws SQLException {
        return noticeReop.show(no);
    }
    
    @Override
    public void modifyInfo(NoticeDto noticeDto) throws SQLException {
        noticeReop.modifyInfo(noticeDto);
    }
 
    @Override
    public void delete(int no) throws SQLException {
        noticeReop.delete(no);
    }
 
    public PageNavigation makePageNavigation(Map<String, String> map)
            throws Exception {
        int naviSize = 10;
        int currentPage = Integer.parseInt(map.get("pg"));    // 현재 페이지 번호
        int sizePerPage = Integer.parseInt(map.get("spp"));    // 페이지 글 갯수
        PageNavigation pageNavigation = new PageNavigation();
        pageNavigation.setCurrentPage(currentPage);
        pageNavigation.setNaviSize(naviSize);
        int totalCount = noticeReop.getTotalCount(map);
        pageNavigation.setTotalCount(totalCount);
        int totalPageCount = (totalCount - 1) / sizePerPage + 1;
        pageNavigation.setTotalPageCount(totalPageCount);
        boolean startRange = currentPage <= naviSize;
        pageNavigation.setStartRange(startRange);
        boolean endRange = (totalPageCount - 1) / naviSize * naviSize < currentPage;
        pageNavigation.setEndRange(endRange);
        pageNavigation.makeNavigator();
        return pageNavigation;
    }    
    
    @Override
    public List<NoticeDto> list(Map<String, String> map) throws Exception {
        Map<String, Object> param = new HashMap<String, Object>();
        param.put("key", map.get("key") == null ? "" : map.get("key"));
        param.put("word", map.get("word") == null ? "" : map.get("word"));
        int currentPage = Integer.parseInt(map.get("pg"));
        int sizePerPage = Integer.parseInt(map.get("spp"));
        int start = (currentPage - 1) * sizePerPage;
        param.put("start", start);
        param.put("spp", sizePerPage);
        
        return noticeReop.list(param);
    }
}
 
cs




|| Pagging


/src/main/java/com/cristoval/web/util/PageNavigation.java

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public class PageNavigation {
 
    private boolean startRange;
    private boolean endRange;
    private int totalCount;
    private int newCount;
    private int totalPageCount;
    private int currentPage;
    private int naviSize;
    private int countPerPage;
    private String navigator;
 
    public boolean isStartRange() {
        return startRange;
    }
 
    public void setStartRange(boolean startRange) {
        this.startRange = startRange;
    }
 
    public boolean isEndRange() {
        return endRange;
    }
 
    public void setEndRange(boolean endRange) {
        this.endRange = endRange;
    }
 
    public int getTotalCount() {
        return totalCount;
    }
 
    public void setTotalCount(int totalCount) {
        this.totalCount = totalCount;
    }
 
    public int getNewCount() {
        return newCount;
    }
 
    public void setNewCount(int newCount) {
        this.newCount = newCount;
    }
 
    public int getTotalPageCount() {
        return totalPageCount;
    }
 
    public void setTotalPageCount(int totalPageCount) {
        this.totalPageCount = totalPageCount;
    }
 
    public int getCurrentPage() {
        return currentPage;
    }
 
    public void setCurrentPage(int currentPage) {
        this.currentPage = currentPage;
    }
 
    public int getNaviSize() {
        return naviSize;
    }
 
    public void setNaviSize(int naviSize) {
        this.naviSize = naviSize;
    }
 
    public String getNavigator() {
        return navigator;
    }
 
    public int getCountPerPage() {
        return countPerPage;
    }
 
    public void setCountPerPage(int countPerPage) {
        this.countPerPage = countPerPage;
    }
 
    public void makeNavigator() {
        int startPage = (currentPage - 1) / naviSize * naviSize + 1;
        int endPage = startPage + naviSize - 1;
        if(totalPageCount < endPage)
            endPage = totalPageCount;
        
        StringBuilder buffer = new StringBuilder();
        buffer.append("        <ul class=\"pagination\"> \n");
        buffer.append("            <li class=\"page-item\" data-pg=\"1\"> \n");
        buffer.append("                <a href=\"#\" class=\"page-link\">최신</a> \n");
        buffer.append("            </li> \n");
        buffer.append("            <li class=\"page-item\" data-pg=\"" + (this.startRange ? 1 : (startPage - 1)) + "\"> \n");
        buffer.append("                <a href=\"#\" class=\"page-link\">이전</a> \n");
        buffer.append("            </li> \n");
        for(int i=startPage;i<=endPage;i++) {
            buffer.append("            <li class=\"" + (currentPage == i ? "page-item active" : "page-item") + "\" data-pg=\"" + i + "\"><a href=\"#\" class=\"page-link\">" + i + "</a></li> \n");
        }
        buffer.append("            <li class=\"page-item\" data-pg=\"" + (this.endRange ? endPage : (endPage + 1)) + "\"> \n");
        buffer.append("                <a href=\"#\" class=\"page-link\">다음</a> \n");
        buffer.append("            </li> \n");
        buffer.append("            <li class=\"page-item\" data-pg=\"" + totalPageCount + "\"> \n");
        buffer.append("                <a href=\"#\" class=\"page-link\">마지막</a> \n");
        buffer.append("            </li> \n");
        buffer.append("        </ul> \n");
        this.navigator = buffer.toString();
    }
 
}
 
cs




|| Filter Encoding


/src/main/java/com/cristoval/web/FilterConfig.java

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@Configuration
public class FilterConfig {
    
    @Bean
    public FilterRegistrationBean encodingFilterBean() {
        FilterRegistrationBean registrationBean = new FilterRegistrationBean();
        CharacterEncodingFilter filter = new OrderedCharacterEncodingFilter();
        filter.setForceEncoding(true);
        filter.setEncoding("UTF-8");
        registrationBean.setFilter(filter);
        return registrationBean;
    }
    
}
cs




|| View


||| List


/src/main/webapp/WEB-INF/views/notice/list.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/include/header.jsp"%>
<script type="text/javascript">
    function movewrite() {
        location.href = "${root}/notice/mvwrite";
    }
    function pageMove(pg) {
        document.getElementById("pg").value = pg;
        document.getElementById("pageform").action = "${root}/notice/list?pg=" + pg;
        document.getElementById("pageform").submit();
    }
</script>
<body>
    <form name="pageform" id="pageform" method="GET" action="">
        <input type="hidden" name="act" id="act" value="notice"> <input
            type="hidden" name="pg" id="pg" value="">
    </form>
    <div class="container" align="center">
        <br>
        <h2 style="font-weight: bold;">공지사항</h2>
        <table class="table table-borderless">
            <c:if test="${userDto != null}">
                <tr>
                    <td align="right"><button type="button" class="btn btn-info"
                            onclick="javascript:movewrite();">글쓰기</button></td>
                </tr>
            </c:if>
        </table>
        <form id="searchform" method="get" class="form-inline" action="">
            <input type="hidden" name="act" id="act" value="notice"> <input
                type="hidden" name="pg" id="pg" value="1">
            <table class="table table-active">
                <thead>
                    <tr class="table-primary">
                        <th scope="col" colspan="4">번호</th>
                        <th scope="col" colspan="4">제목</th>
                        <th scope="col" colspan="4">작성자</th>
                        <th scope="col" colspan="4">작성일</th>
                    </tr>
                </thead>
 
                <c:if test="${list.size() != 0}">
                    <tbody>
                        <c:forEach var="lists" items="${list}">
                            <tr style="background-color: white;" onmouseover="this.style.background='#e6ecff'" onmouseout="this.style.background='white'">
                                <td colspan="4">${lists.no}</td>
                                <td colspan="4"><a
                                    href="${root}/notice/show?no=${lists.no}"><strong>${lists.title}</strong></a></td>
                                <td colspan="4">${lists.id}</td>
                                <td colspan="4">${lists.regtime}</td>
                            </tr>
                        </c:forEach>
                    <tbody>
                </c:if>
                <c:if test="${list.size() == 0}">
                    <table class="table table-active">
                        <tbody>
                            <tr class="table-info" align="center">
                                <td>작성된 글이 없습니다.</td>
                            </tr>
                        </tbody>
                    </table>
                </c:if>
            </table>
        </form>
        <table>
            <tr>
                <td>${navigation.navigator}</td>
            </tr>
        </table>
    </div>
</body>
<%@ include file="/WEB-INF/views/include/footer.jsp"%>
cs



||| Show


/src/main/webapp/WEB-INF/views/notice/show.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/include/header.jsp"%>
<style type="text/css">
.blue {
    background: #3379FE;
}
.red {
    background: #FF0000;
}
.green {
    background: #008000;
}
.button {
    color: #ffffff;
    font-size: 1.2em;
    padding: 0.3em 0.5em;
    margin-right: 0.1em;
}
</style>
<body>
    <section id="blog" class="blog">
        <div class="container aos-init aos-animate" data-aos="fade-up">
            <div class="row">
                <div class="col-lg-2"></div>
                <div class="col-lg-8 entries">
                    <article class="entry">
                        <h2 class="entry-title">
                            <a>${list.title}</a>
                        </h2>
 
                        <div class="entry-meta">
                            <ul>
                                <li class="d-flex align-items-center"><i
                                    class="icofont-user"></i>${list.id}</li>
                                <li class="d-flex align-items-center"><i
                                    class="icofont-wall-clock"></i>${list.regtime}</li>
                                <li class="d-flex align-items-center"><i
                                    class="icofont-comment"></i> notice ${list.no}</li>
                            </ul>
                        </div>
 
                        <div class="entry-content">
                            <br>
                            <p>${list.content}</p>
                        </div>
 
                    </article>
                </div>
                <div class="col-lg-4"></div>
            </div>
            <div class="form-group" align="center">
                <c:if test="${userDto != null}">
                    <a href="${root}/notice/mvmodify?no=${list.no}" class="button blue">수정</a>
                    <a href="${root}/notice/delete?no=${list.no}" class="button red">삭제</a>
                </c:if>
                <a href="${root}/notice/list?pg=1" class="button green">목록</a>
            </div>
        </div>
    </section>
</body>
<%@ include file="/WEB-INF/views/include/footer.jsp"%>
cs



||| Write


/src/main/webapp/WEB-INF/views/notice/write.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/include/header.jsp"%>
<script type="text/javascript">
    function writeNotice() {
        if (document.getElementById("title").value == "") {
            alert("제목을 입력해주세요.");
            return;
        } else if (document.getElementById("content").value == "") {
            alert("내용을 입력해주세요.");
            return;
        } else {
            document.getElementById("writeform").action = "${root}/notice/write";
            document.getElementById("writeform").submit();
        }
    }
</script>
</head>
<body>
    <div class="container" align="center">
        <br>
        <h2 style="font-weight: bold;">공지사항 작성</h2>
        <form id="writeform" method="post" action="">
            <input type="hidden" name="act" id="act" value="write">
            <div class="form-group" align="left">
                <input type="hidden" name="id" id="id" value="${userDto.id}">
            </div>
            <div class="form-group" align="left">
                <label for="subject">제목:</label> <input type="text"
                    class="form-control" id="title" name="title">
            </div>
            <div class="form-group" align="left">
                <label for="content">내용:</label>
                <textarea class="form-control" rows="15" id="content" name="content"></textarea>
            </div>
            <button type="button" class="btn btn-primary"
                onclick="javascript:writeNotice();">작성</button>
            <button type="reset" class="btn btn-warning">초기화</button>
        </form>
    </div>
    <br/><br/>
</body>
<%@ include file="/WEB-INF/views/include/footer.jsp"%>
cs



/src/main/webapp/WEB-INF/views/notice/writesuccess.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/include/header.jsp"%>
<style type="text/css">
.button {
    color: #ffffff;
    background: #008000;
    font-size: 1.2em;
    padding: 0.3em 0.5em;
    margin-right: 0.1em;
}
</style>
<body>
    <br>
    <div align="center">
        <br>
        <h2 style="font-weight: bold;">공지사항이 성공적으로 작성되었습니다.</h2>
        <br>
        <a href="${root}/notice/list?pg=1" class="button">목록으로</a>
    </div>
    <br><br>
</body>
<%@ include file="/WEB-INF/views/include/footer.jsp"%>
cs



||| Delete


/src/main/webapp/WEB-INF/views/notice/deletesuccess.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/include/header.jsp"%>
<style type="text/css">
.button {
    color: #ffffff;
    background: #008000;
    font-size: 1.2em;
    padding: 0.3em 0.5em;
    margin-right: 0.1em;
}
</style>
<body>
    <br>
    <div align="center">
        <br>
        <h2 style="font-weight: bold;">공지사항이 성공적으로 삭제되었습니다.</h2>
        <br>
        <a href="${root}/notice/list?pg=1" class="button">목록으로</a>
    </div>
    <br><br>
</body>
<%@ include file="/WEB-INF/views/include/footer.jsp"%>
cs



||| Modify


/src/main/webapp/WEB-INF/views/notice/modify.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/views/include/header.jsp"%>
<script type="text/javascript">
    function writeNotice() {
        if (document.getElementById("title").value == "") {
            alert("제목을 입력해주세요.");
            return;
        } else if (document.getElementById("content").value == "") {
            alert("내용을 입력해주세요.");
            return;
        } else {
            document.getElementById("writeform").action = "${root}/notice/modify";
            document.getElementById("writeform").submit();
            alert("수정이 완료되었습니다.");
        }
    }
</script>
</head>
<body>
    <div class="container" align="center">
        <br>
        <h2 style="font-weight: bold;">공지사항 수정</h2>
        <form id="writeform" method="post" action="">
            <input type="hidden" name="act" id="act" value="modify">
            <input type="hidden" name="no" id="no" value="${list.no}"> 
            <input type="hidden" name="regtime" id="regtime" value="${list.regtime}">
            <div class="form-group" align="left">
                <label for="subject">제목:</label>
                    <input type="text" class="form-control" id="title" name="title" value="${list.title}">
            </div>
            <div class="form-group" align="left">
                <label for="content">내용:</label>
                <textarea class="form-control" rows="15" id="content" name="content">${list.content}</textarea>
            </div>
            <button type="button" class="btn btn-primary"
                onclick="javascript:writeNotice();">수정</button>
            <button type="reset" class="btn btn-warning">초기화</button>
        </form>
    </div>
    <br/><br/>
</body>
<%@ include file="/WEB-INF/views/include/footer.jsp"%>
cs




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