基于javaweb和mysql的ssm访客管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Bootstrap)

Java源码jdk

241人浏览 · 2025-09-28 22:54:34

Java源码jdk · 2025-09-28 22:54:34 发布

私信源码获取及调试交流

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

JavaBean MVC JSP SSM(Spring SpringMVC MyBatis) MySQL CSS JavaScript Bootstrap

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

eclipse/MyEclipse运行：

idea运行：

     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response

        response.sendRedirect("user_list.jsp");
    }
}

@Controller
@RequestMapping
public class NoticeController {

    @Autowired
    private NoticeService noticeService;

    /**
     * 增加公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法


@Controller
public class AuthController extends HttpServlet {
    @Autowired
    private UserService userService;

    @RequestMapping("authLogin")
    public void login(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");

        String validationCode = request.getParameter("validationCode");
        if (validationCode != null && !validationCode.equals(request.getSession().getAttribute("validationCode"))) {//验证码不通过
            request.getSession().setAttribute("alert_msg", "错误：验证码不正确！");
            request.getRequestDispatcher("login.jsp").forward(request, response);
            return;
        }

        Map<String, Object> params = new HashMap();
        
        
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) && user.getPassword().equals(password)) {//找到这个管理员了
                request.getSession().setAttribute("loginUser", user);
				request.getSession().setMaxInactiveInterval(Integer.MAX_VALUE);
                request.getRequestDispatcher("menu.jsp").forward(request, response);
                return;


@Controller
@RequestMapping
public class LaifangController {

    @Autowired
    private LaifangService laifangService;

    /**
     * 增加来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangAdd")
    public void add(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        laifangService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除来访

    }

    /**
     * 根据条件查询用户的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        User loginUser = (User) request.getSession().getAttribute("loginUser");
        if (!"管理员".equals(loginUser.getUserType())) {
            params.put("id", loginUser.getId());
        }
        Map<String, Object> map = userService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) userService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("userList");
        pb.setSearchColumn(searchColumn);

    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        Map<String, Object> map = noticeService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("noticeList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("notice_list.jsp");
    }
}

/**
 * 拦截器
 */
public class LoginInterceptor implements HandlerInterceptor {

    //@Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {

    }

    // 返回一个随机颜色（Color对象）
    private Color getRandomColor(int minColor, int maxColor) {
        Random random = new Random();
        // 保存minColor最大不会超过255
        if (minColor > 255)
            minColor = 255;
        //  保存minColor最大不会超过255
        if (maxColor > 255)
            maxColor = 255;
        //  获得红色的随机颜色值
        int red = minColor + random.nextInt(maxColor - minColor);
        //  获得绿色的随机颜色值
        int green = minColor + random.nextInt(maxColor - minColor);
        //  获得蓝色的随机颜色值
        int blue = minColor + random.nextInt(maxColor - minColor);
        return new Color(red, green, blue);
    }
}

@Controller
@RequestMapping
public class LaifangController {

    @Autowired
    private LaifangService laifangService;

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("noticeList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("notice_list.jsp");
    }
}

/**
 * 拦截器
 */
public class LoginInterceptor implements HandlerInterceptor {

    //@Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
        HttpSession session = request.getSession();
        //移除错误提示
        session.removeAttribute("alert_msg");
        //登录拦截
        String url = request.getRequestURL().toString();
        String[] access = new String[]{"login", "logout", "register", "validationCode", "/js/", "/img/", "/include/"};
        for (String action : access) {
            if (url.toLowerCase().contains(action.toLowerCase())) {
                return true;
            }
        }
        if (session.getAttribute("loginUser") == null) {

     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        Map<String, Object> map = noticeService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("noticeList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("notice_list.jsp");
    }
}


@Controller
public class AuthController extends HttpServlet {
    @Autowired
    private UserService userService;

    @RequestMapping("authLogin")
    public void login(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");

        String validationCode = request.getParameter("validationCode");
        if (validationCode != null && !validationCode.equals(request.getSession().getAttribute("validationCode"))) {//验证码不通过
            request.getSession().setAttribute("alert_msg", "错误：验证码不正确！");
            request.getRequestDispatcher("login.jsp").forward(request, response);
            return;
        }

        Map<String, Object> params = new HashMap();
        
        
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) && user.getPassword().equals(password)) {//找到这个管理员了
                request.getSession().setAttribute("loginUser", user);
				request.getSession().setMaxInactiveInterval(Integer.MAX_VALUE);
                request.getRequestDispatcher("menu.jsp").forward(request, response);
                return;

     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userEdit")
    public void edit(User vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        userService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取用户的详细信息（详情页面与编辑页面要显示该用户的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"userGet", "userEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        User vo = userService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("user_" + to + ".jsp");
    }

    /**
     * 根据条件查询用户的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {

     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangAdd")
    public void add(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        laifangService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        laifangService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangEdit")
    public void edit(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        laifangService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取来访的详细信息（详情页面与编辑页面要显示该来访的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"laifangGet", "laifangEditPre"})


@Controller
@RequestMapping
public class LaifangController {

    @Autowired
    private LaifangService laifangService;

    /**
     * 增加来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangAdd")
    public void add(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        laifangService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        laifangService.delete(Arrays.asList(id));


@Controller
@RequestMapping
public class LaifangController {

    @Autowired
    private LaifangService laifangService;

    /**
     * 增加来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangAdd")
    public void add(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        laifangService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        laifangService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**

     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"noticeGet", "noticeEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Notice vo = noticeService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("notice_" + to + ".jsp");
    }

    /**
     * 根据条件查询公告的列表并跳转回页面


    /**
     * 增加来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangAdd")
    public void add(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        laifangService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        laifangService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑来访
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("laifangEdit")
    public void edit(Laifang vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        laifangService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取来访的详细信息（详情页面与编辑页面要显示该来访的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException


@Controller
@RequestMapping
public class NoticeController {

    @Autowired
    private NoticeService noticeService;

    /**
     * 增加公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除用户
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        userService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑用户
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userEdit")
    public void edit(User vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        userService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取用户的详细信息（详情页面与编辑页面要显示该用户的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"userGet", "userEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        User vo = userService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("user_" + to + ".jsp");
    }

    /**
     * 根据条件查询用户的列表并跳转回页面
     *
     * @param response
     * @param request

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你是否拥有一台闲置的Amlogic S9xxx系列电视盒子？想让它摆脱单一的视频播放功能，变身为功能强大的Linux服务器、开发平台或家庭媒体中心？本指南将为你详细解析如何通过Armbian系统实现这一转变，让你的电视盒子重获新生，成为高性能的Linux设备。Armbian系统基于Debian/Ubuntu构建，专为ARM芯片优化，提供了完整的Linux生态支持。## 🎯 核心价值与独特优势

AI Agent技术社区

CANN/runtime Event管理API

本章节描述 CANN Runtime 的 Event 管理接口，用于事件的创建、记录、同步、计时及 IPC 跨进程共享。- [`aclError aclrtCreateEvent(aclrtEvent *event)`](#aclrtCreateEvent)：创建Event，创建出来的Event可用于统计两个Event之间的耗时、多Stream之间的任务同步等场景。- [`aclError